12/21/2017

Original cartridge is better for the printer

In addition to quality considerations, printing costs can be said that the fundamental consideration, the print cartridge is a long-term consumables, the choice of cartridge is a long-term need to consider the cost of expenditure. First of all, compared to the cost of the purchase, the official cartridge prices higher, the popular models such as toner hp cf217a, the original price of 200-300 yuan, while the price is generally more difficult to come down. By A4 paper coverage of 5%, a 2612A toner cartridge, can only print 2000 pages. In contrast, according to the average price Taobao Taobu 2612A domestic only 60-80 yuan, the price up to 120 yuan, the lowest 40 yuan there. The price gap is very large, according to long-term purchase, the cost of the original cartridge is 3-5 times higher than the domestic cartridge.

There is a saying that domestic cartridges prone to failure, and easily lead to printer machine failure, non-original cartridge defects will affect the performance of the printer, if the after-sales service is not in place, not long after the use of the problem or scrapped, the printer also needs repair , But also lead to office delays or impact. These are huge additional costs that may arise from problems that occur with non-genuine consumables. For business users, this impact is very big. This is also one of the difficulties many corporate users purchase.

In summary, the optional toner cartridge, if it is a higher print quality, as well as after-sales service, the cost can accept the original cartridge. And when individuals or companies with a large print volume, the need to measure the cost of printing, the proposed purchase of domestic famous cartridge, the quality of high quality toner cartridge, to provide stable after-sales manufacturer, that can reduce printing costs, while meeting the high Print quality requirements. Today's printer supplies domestic brands fierce competition in the market, as users how to polish their eyes and find the right price, quality domestic manufacturers of toner cartridges it? Here, as a domestic toner cartridge manufacturer with 17 years of R & D qualification in printing consumables industry, Canon Toner Cartridge can provide you with toner cartridges that meet your printing cost and printing quality requirements. We focus on producing high quality toner cartridges for users. Buy, to the production, assembly and testing have to undergo a rigorous quality control process to ensure that every one sent to consumers in the hands of the cartridge, you can rest assured that the use of. Jia letter cartridge, to provide you with a more assured choice.

12/19/2017

Do you know how to solve the common faults when you use the printer?

1. Paper Jam
Paper Jam is one of a common faults when we use the printer, especially we use a new paper or re-printed paper. When the paper jam happed, we need to pay attention to the paper when we try to pick it up. We can moving parts of the printer which is allow according to the manual, and do not blindly pull the cover. As soon as possible to pick up full of paper and do not leave broken pieces of paper in the printer.

2. The paper is white after we printed.
If your printer is a thermal type, there may be a wrong installation of the front and back. Place the reverse side of the recording paper and try again. Thermal printer used fax paper, only one side coated with chemicals and that mean only one side can be printed words. If the installation is wrong. No text or pictures are printed when receiving a fax.If your fax machine is an print cartridge fax machine, the nozzle tip may be blocked. Clean the inkjet head or replace the Brother TN770 if the brand is Brother-HL.

3. Fax paper or print paper appears black line
One or more black lines appear when you send a document to you or when you print it by yourself. If it is a CCD fax machine, maybe the lens is dirty, if it is CIS fax machine, maybe glass transparent is dirty. Please use a cotton ball or a soft cloth moistened with alcohol to clean it according to the manual of the fax machine. If you still can not solve the problem after cleaning, please send your fax machine for repair inspection.

4. When faxing paper or printing paper appears white line
This is the thermal head (TPH) broken wires or dirty normally. If the wire is broken, we need to replace the same type of thermal head. If is dirty, we can clean it with a cotton ball.

11/09/2017

How to identify genuine and fake toner supplies

This is very important for users to keep their eyes, improve the knowledge of optional ink cartridges products, enhance their awareness and vigilance, learn to distinguish between true and false ink cartridges, at any time to protect their own interests? kInkjet printers with economic, print the advantages of good occupation of the vast majority of the print output market. But because of the ink cartridge capacity and other restrictions, so we have to often replace the ink cartridges, and thus formed a huge consumer market, but also inevitably to the fake counterfeiters brought business opportunities.

So for us, in order to identify genuine and fake supplies, what shall we do ? First of all to know what the original supplies look like. tn660 toner, for example, from 2001 onwards, HP has a variety of cartridges packaging has been updated so that the original packaging of its original cartridge has the following characteristics: the new box above the two ends of a cutting line; The number of the two-digit purchase number; the new packaging on the left side of the cartridge for the printer model; a display ink color logo; carefully observe the color of the anti-counterfeit labels to identify whether the original ink cartridges.

How do we identify genuine and fake toner cartridges? When buying ink cartridges, first of all to carefully observe the vacuum bag. Authentic ink cartridges and bags close to the box dense, no air bag. Fake and shoddy ink cartridges vacuum pumping is not complete. Open the vacuum plastic bags, genuine ink cartridges should be clean and dirt-free. Carefully observe the top of the ink cartridges sealed plastic stickers, real ink cartridges sealed film flat paste, fake ink cartridges loose, it is easy to hand down. Second, look at the sealing tape. Genuine ink cartridges and fake ink cartridges are not the same, fake ink cartridges is a transparent adhesive on the word, strong sticky, it is easy to tear the surface of the packaging cartons. Genuine ink cartridges are strong texture, sticky and sticky can not be separated from the carton to tear the way.

10/25/2017

Some small ink tips for laser printer

During my four years college life, I used the HP printer which accumulated some small ink tips. I have introduced to many friends, they all feel simple and effective, so today we want to write to share with you.

Whenever the printer is prompted to run out of ink, the cartridge out, in fact, there are many toner cartridges. At this time with high-quality non-adhesive seal ink cartridges below the mouth of a few mouth, and then use one hand to hold the entire cartridge, which with the index finger pressure with non-adhesive seal outlet, and then quickly from top to bottom Arc-shaped swing arm, the purpose is to use the parabolic movement of the centrifugal force generated by the ink inside the cartridge to the lower part of the ink cartridges in the lower part, after repeated times, and then a sharp blade in the cartridge outlet (with non-adhesive seal ) To make a small cross, then the cartridge back to the printer can print. I found in the practice of the past few years, so that the ink cartridges can be processed to extend the use of about 1/5 of the time. often print a large number of friends, black ink used very quickly. My experience is to print the file before the file font color are changed to gray (usually 60% to 80% black); in the print do not have to specify the color of the file, according to the use of various colors of ink, use less Color plus gray, such as: I found that the use of blue is relatively small, when playing the file on the use of gray and blue to play. So that the file can not only play to extend the life of the cartridge and beautiful. By the same token, when you use one or two colors, you can also use unused colors to print plain text files until you want to print color pictures.

However, the "fake ink" will be the problem is: hp 201x toner in the ink is exhausted, because the "counter" is not counted to the rated consumption, then the ink does not light, it can not be replaced by the usual method Ink cartridges.

9/22/2017

Component Composition of Laser Printer Toner Cartridge

There are several parts of toner cartridge compositions that your maybe not known, now let us go into the toner cartridge inner world to have a see.
Let me take Brother HL-2240D printers as an example. With the important crucial part, toner 420 is largely determined the printing quality, which is a typical separation toner cartridge.
OPC
The full name of OPC is organic photoconductor drum, which organic photoconductive materials have a wide range of resources, the performance is superior and pollution-free. In terms of life expectancy, the OPC drum has a shorter life with generally only about 3000 pages, and of course the price is cheaper.er
Developer Roller
The function of develop roller is the adsorption color toner to electrified it, then sent to the drum surface of OPC and produce generate visual images. Because the single group of color toner also has magnetic roller and non-magnetic toner, the development roller also has magnetic roller and conductive roller different names.
Photoreceptive Drum
It more emphasized that the drum has photoconductive properties, and characterize the drum. There are many kinds of photoconductive materials, including selenium、cadmium sulfide、drum and silicon and organic light guide drum and so on.
Drum Unit
Drum Kit refers to the light-sensitive part of the toner cartridge, including drum core, powder scraper and so on. Sometimes the anti-development part is not inseparable, only the drum core, charging roller, cleaning scraper, this part is the drum component for Epson, Lexmark series. What's more, even the rollers are preserved, but there is no powder storage/powder drum, which is also called drum unit. The drum unit is not to be thrown away for the toner finished. You just replace the developing component and even replace the powder tubes. Brother brand is representative about this aspect, and among that brother dr420 drum is a typical instance.
Primary Charging Roller
It is made of metal core roller, foam conductive rubber, and rubber roller made of plastic wrap. The two ends of the shaft are embedded in the conductive seat, which is pressed against the surface of OPC drum surface. The OPC drum can be charged at a certain voltage. If the surface of the charging roller is scratched by a foreign body, it will make the surface of the charge of the OPC of the OPC drum not even, or even short circuit, and the printer will produce profile with poor quality , it's time for you to repair or replace it at once.
MR
Magnetic roller is the Magnetic Roller's abbreviation. It consists of a magnetic core magnet which is fixed in the inside and a rotating aluminum sleeve, and two ends of plastic sleeve and conductive spring. A rough graphite layer is sprayed on the aluminum sleeve surface.
TR
Similar to the structure switch of the charging roller, but TR (transfer roller) conductive rubber, the surface insulation layer is also different. Because it's just charging the paper, the color image on the surface of the OPC drum transferred to the paper. The transfer roller is not belonging to the imaging component, but the parts of the whole machine.
These component composition of toner cartridges are commonly used, and it's better for you to know more detail about a printer, which it's good for you to have plan in mind when you about to buy a laser printer.

9/19/2017

Some major parameters and Brands that student should pay attention to when choosing a printer

With the study life begins in September, more student may worried about how to choose a printer that is economical and affordable in a variety of different types of printers for their study printing? Maybe you can consider from the following aspects.
1. Resolution: the printer is also called the output resolution which refers to how much print points per inch on the horizontal and vertical directions when you printing, usually it said that "points/inch" DPI (dot per inch). For example, 1440x720dpi means that the horizontal resolution of the printer is 1440dpi while the vertical resolution is 720dpi. When choosing a printer, we should focus on the horizontal resolution as well as the vertical resolution. As to student users, the resolution cannot be less than 600dpi and the resolution of pictures should be no less than 1440x720dpi.
2. The droplet size. Droplet size is a vital index to measure the degree of fine print, slightly rises is widely used to measure the size of the unit volume of ink jet printing ink(PL), the user need to print photographs should choose printing device within the 4pl of drops size.
3.Brand features : now there three big brands in the field of printer which are brother ,HP and Canon , the three manufacturers of printing technology is relatively mature and have a good print effect.
HP
HP printers use hot ink jet technology and adopt the integration structure of print head and toner cartridge. When you change the toner cartridge you also need to exchange the print head. As you can see the most important feature of this structure is the high cost of ink. But HP printers generally have better quality of printed text, such as HP cf210a toner cartridge, at the same time it has led to the rapid development of the toner market and other consumables.
Brother
Brother's product line is a single one, with the A4 size medium and low speed printer, which rarely involves the A3 format printer. Brother's printer can realize automatic double-sided printing on the printer below 30ppm, so it's a better choice for many small and medium-sized office enterprises. The color printer of Brother USES LED technology, and the speed of the printer is concentrated at about 20~35PPM, such as HP laser jet Pro M251 with more high-yield cf210x toner cartridge. In this case, the structure of the four-component drum component is adopted for TN210/221, which is suitable for many enterprise users.

Canon
Canon inkjet printer is also adopting inkjet technology. Canon does the best well in the paper. Many machines use double-feed system, namely paper box and paper. The overall printing speed of Canon inkjet printers is faster than those of the other two manufacturers, especially the seed of photo printing.
These are the most important aspects that students should pay attention to when choosing a printing device. Also I want to stress that is you should buy a printer according to the needs of yourselves and don't be a parrot. If you do don't know which one to buy, make a list about the function of printers and then carefully screen to select the most suitable printer model.

Enjoy the HP Super Printer Printing!

Printer is no more than an indispensable office device for every office, but also an important tool for modern families. No matter printing office profile, preparing the customer material, the figure of printer is bound to appear. However, the seemingly unremarkable printing cost makes various enterprises bitter after the accumulation of these years. Therefore, when the announcement of "super HP" about any dynamics events will attracted many businesses and individuals' attentions". Printing" the new world
"Super HP" series has been answered or solve everyone's questions and the worries by actual performance. Just for HP Color laser jet pro M252dw and HP Color Laser jet Pro MFP M277n printer, the two printers, which use HP's latest cf400x toner cartridge, you can get high quality and abundant page yield. The average coverage is about 2300 pages of black and 2800 pages. With greatly saves printing costs, you can eliminate the need for frequent replacement of consumables. In the face of such low cost and high effective printing products, whatever the large users group who print tasks every day or individuals who want to save print cost as much as possible will fall in love it.
In addition to having low printing costs, HP Color laser jet pro M252dw and HP Color Laser jet Pro MFP M277n printer also do well in energy saving and environmental protection. Both two products meet the international certification standards ISO 9001 and 14001. When they endeavor to offer the best service, in the meanwhile make their own contributions to protect the environment which very deserve many companies to study and imitate.

1. High quality all-around good printers
To stand out in a competitive printer market, it's not enough to rely on the ultra-low print costs. The HP Color laser jet pro M252dw printer has perfect quality to help the customer achieve the "super HP". With the help of the cf400x toner cartridges, this printer can either provide users with a clear , sharp document printing and more bright, beautiful pictures, picture print and the waterproof effect of powder, which meet customer's needs of the user long-term preservation. At the same time, it provides no-margin printing and leaflet printing, which fully meet multiple needs of enterprise users. Even reliable compatible toner cartridge has avoided the problems such as leaking ink, equipment parts damage. Printing costs and print quality, the tow topics which are undoubtedly printer users are most concerned about. HP Color laser jet pro M252dw is relying on the two outstanding features to gain consumers' love and cheer, which open and establish a new world for every customers.
At present, the excellent performance of these tow printers have received numerous consumers' recognition. You can get some information or buy them from HP's website as well as in Amazone.com. If you have a try to these two types printer, you will find more enjoyable things and more surprise will wait for you all the time.

8/14/2017

How to find good printer supplies?

Nowadays, office life has become an inseparable part of people's lives, and business office can not be the most lack of equipment to count the printer. The price of the printer is different on the market, 100 entry-level products, thousands of color printers and expensive high-end large-scale printers, all for the enterprise to provide so many choice. However, as a business owner always want to save the operate cost to purchase a good office equipment to make big profit.As a staff, they are direct users of the office equipment and their main points is easy to use.

Whether the printer is easy to use, in addition to its own performance and quality factors, the HP printer toner is the role of the machine and itself is an important factor. Reporters learned that many business users to buy the printer, when its original equipped with the printer consumable run out, the user meet a big problems how to choose the consumable suppliers.Why this is a problem, there are three reasons:

First, the original consumable prices are generally high. Some of the entry-level printer prices continue to decline, the cost of buying the printer pressure is very small, but the supplies are a daily necessities of the consumables, the price is always high and hard to make discount. The Second, counterfeit supplies are shoddy. Some criminals on the market, the use of the cost to control the users psychological,and they use counterfeit supplies to deceive consumers, if the user will not identify the authenticity of consumable, it is easy to be deceived, the purchase of counterfeit consumables to print, the quality is no guarantee, It will make the user benefits suffer losses. Third, there are loopholes in the purchase. By the impact of price factors and cost control requirements, business users tend to choose the price is cheaper general supplies.

Here, we need to remind consumers, counterfeit consumable will make the effect of the printer and print quality is no guarantee also, which makes consumers double frustrated in the economic and time. Fortunately, there are already many printers such as Samsung printer manufacturers in the positive efforts to safeguard the interests of consumers, in strengthening the original product security logo on the efforts. This is the printer manufacturers should shoulder the mission and responsibility, we look forward to more companies to join the cause
Normaly, most of people want to buy cheap toner cartridges and good quality, may be come to V4INK will find a good one for you. So no hesitate, just come to have a try.

7/31/2017

Do you know How to Replace Ink Cartridges?

The toner cartridges is a sleek, versatile all-in-one with features such as HD movie print and efficient wireless performance. This particular printer houses two separate ink cartridges – one for black and one for color. Canon offers both cartridges in a high yield and standard yield option. The high yield is slightly more expensive but holds significantly more ink:

Assuming you’ve bought your replacement cartridges and you’ve identified the need to install them, first you’ll need to push in the paper tray at the front of the printer. Step one, remove any paper resting on the tray; step two, push it in gently with the palm of your hand until it’s flush with the rest of the printer unit (has disappeared).

#2. Open the cover
To expose your printer’s internal mechanism, you will need to open up the front cover, which is located just above the paper tray. Much like a drawer, this has a finger indent at the top, which you will need to push in. You’ll hear a click and the flap will come down, causing the ink cartridges holder to automatically move to the center of the printer.

#3. Remove your Canon printer’s old cartridges
To take out the old cartridges, use your thumb and index finger to gently pull them out of their slot. Do this with a steady hand and make sure you remove each cartridge one at a time.

#4. Insert the new canon printer cartridges First, you will need to remove each cartridge from their packaging and lay them flat on an even surface. Next, you will need to pull the plastic tab from each cartridges’ to expose their nozzles.

Once you have done this, you will need to insert each cartridge into their respective slot. To do this, make sure you insert them nozzle first and label up, with a firm push upwards until it clicks into place. Please note, the black ink goes into the right holder and the color ink goes into the left. Double check the cartridges are secure before closing the lid.

Once you have closed the lid, the printer’s ON light (located on the top left) will flash green for a minute or so before staying lit.

#5. Test your cartridges
During any printer ink cartridges installation, conducting a test print is vital.

Fire up your desktop, cue up a document, press print, take a look at the results and you’ll soon be able to see if the ink is printing the way it should. Please note, if the ink comes out streaky or smudgy, consult your Canon printer manual to check how to realign the printer heads.

Should the triangular warning emblem (located on the top left) flash orange, re-open your printer and check the cartridges are installed correctly, by giving them a push.

Where and how to buy cheap printer ink?

How do you know which aftermarket cartridges are reputable? Only a few name-brand brick and mortar companies, such as Staples, offer generic-equivalent inks in their name. None of the compatible brands sold by popular digital retailers like Amazon are directly tied to the Amazon brand, and therefore may fluctuate in quality. Knowing which brands are reliable and still affordable, as well as what your options are for third-party products, is key to getting the most out of your printer. Not all generic ink is equal, and some brands are admittedly downright awful. However, good brands that take pride in their product offer an incredible deal to customers looking to save precious dollars and cents.
First, an important question: if generic printer toner cartridges are so much more affordable, why doesn’t everyone buy them?

In years past, third-party ink and toner weren’t up to par with OEM print quality. But thanks to industry advancements, improved technologies, and stringent post production testing, remanufactured cartridge suppliers like Clover Imaging Group have now all but completely bridged the performance gap between aftermarket printer cartridges and original brand products.
While there are established aftermarket retailers that have well-founded partnerships with reputable suppliers locally and overseas who are passionate about providing only top tier quality products, there are also those retailers who source their cartridges without thoroughly vetting their quality standards and production methods. These companies with lax quality checks give third-party consumables a bad name.
How do you tease out which brands are worth buying from? Here are some helpful tips:
Choose an established name. The first way to ensure you’re getting a good deal on your cartridges is to choose an established company. That company doesn’t need to be a brand name, however. Several generic printer cartridge companies have made a name in the industry for selling top quality products for less. From search page position to the number and age of their reviews, you can establish fairly quickly who has been around the block.. Go with an established company who’s been around long enough to have tested plenty of ink suppliers and knows which ones are worth it. Vendors that have been in business for over 10 or 15 years will most probably have better product quality standards compared to a supplier that has been around for only 5 years. Brand of V4INK is worth for purchase.
Satisfaction (should be) guaranteed. If your retailer unequivocally backs their product, that’s another sign that you can be confident in your purchase (after all, they are!) Companies that give you strict stipulations about returning defective products are likely ones to be avoided. Especially steer clear of these companies if you anticipate buying cartridges in bulk orders, where you may not realize a cartridge is defective until weeks or months after the original purchase.
Customer reviews. Online reviews remain one of the best ways to get to the bottom of whether a product fits the bill. Sure, a lot of people use the comments section to blow off steam, but over time other customers who are satisfied enough with their product to take time out of their day to respond will win out. Read through the comments on your product, and perhaps even dig through several products sold on the company website, to glean how much thought they put into quality standards.
Saving money on consumables is one way to shrink your bottom line, no matter whether you’re a student printing out a couple of pages per week or a small business trying to cut down on your overhead. Compatible third-party and remanufactured cartridges are an excellent way to knock down costs, all without sacrificing the quality printing you’ve come to expect.

4/28/2017

What’s the best way to use Your HP printer

hp toner cartridges are the printer consumables of your HP LaserJet Printers, these contain toner powder made from high-engineered polymers mixed with carbon and coloring agents making the printing process possible. Its no surprise that users often complain how expensive these HP toners are, sometimes even to the extent that they cost higher than the laser printer unit itself. Thus to solve this dilemma, printer users resort in buying cost-saving alternative such as compatible HP toner cartridges to save money.

But even though these compatible HP toners can lessen your printing expenses, don’t you wish to know how to extend the life of your toner cartridge to save even more. HP toner cartridges has a shelf life of about 18 months and an installed life of 6 months, basically having a life expectancy total of 24 months. However, as stated earlier, it is possible to extend this by following these certain steps:

Store your HP toner cartridges properly. Since these printer cartridges are photo-sensitive, it is prudent to stock them on a dark cabinet at a room temperature of 60 to 78 degrees Fahrenheit. Remember to take note of the temperature, too much heat can cause the toner powder to melt and fuse within the cartridge’s parts. If this happens then there’s a great probability that your HP toner cartridges can be defunct. Popular hp printer models includes: cf400x / hp 201x, etc.

Set your HP LaserJet to Eco-Mode. About a large portion of HP LaserJet Printers and multifunction centers are featured with an eco-mode setting. The Eco-Mode setting generates the printer to use minimal amount of toner in printing documents and images, thus saving the install life of your HP toner cartridges.

For drafts and unimportant documents, print black. If you’re going to print for drafts, home works or full-text documents then select printing black in the printers setting since the normal setting tend to used all the colors thus wasting them.

Redistribute the toner. A hack used to get the most out of your HP toner cartridges every time that low-toner alert message pops out in your screen. All you need to do is take out of the toner cartridge out of your printer component, gently shake it from side to side to distribute the toner powder inside the cartridge, making it possible for your printer to produce more output.

While extending the life of the printer, you can also choose a more cost-effective supplies products to achieve the best results of the printer, which is the best use of HP printers.

4/18/2017

Where and How to Buy Cheap Toner Cartridge?

The aftermarket for toner cartridge can be a tricky place to shop. Third-party cartridges cost less than the manufacturers' brands--which is why people buy them. But it can be a lot harder to tell whether a third-party vendor sells good-quality ink and toner products.

One time-tested method is to shop at an established retailer that guarantees the quality of its products. Obvious examples include office supply chains such as LD Products, EZ Ink, 4Inkjet, and V4INK, all of which carry third-party ink cartridges.

But finding third-party ink for your specific printer model can be a challenge, particularly if your unit is very new, very old, or not very popular. Before driving around town to find the right cartridge, do a little homework online.

Like the online arms of other major retailers, v4ink.com has an ink and toner Finder. Click the link to search the suitable toner cartridge from V4INK base on your printer model. You could find third-party supplies toner cartridge for your Brother, Canon, Dell, Samsung Lenovo and Hp printer.

If you have any issue when you purchase at V4INK, please feel free to contact the V4INK’s customer service. They will answer you as soon as possible.

3/02/2017

Color drum common bad printing phenomenon and causes

The following defect analysis is only for the toner cartridge, the production of some defects related to the machine, where omitted.

1) seal pull no: usually caused by poor assembly, seals a card or folded portions nipped toner.

2) powder leakage: In addition to bad seals seal before printing powder leakage caused by external and internal cartridge more components or parts during use may cause leakage of powder, magnetic roller felt seal defects, aging flour knife, seal roller blade deformation and Paste Not tightly loose, sealing sponge defects or aging, cleaning the blade deformation and paste loose loose and so will cause leakage powder.

3) not print either a full version or white light and vague;

● The seal is not opened.
● The toner cartridge does not shake before the seal, the powder is not smooth.
● The laser is not illuminated on the drum, the light shield is not open, and the drum protective cover is not open.
● Drum grounding is not connected, the drum conductive film or powder box on the machine connected to the electrical contact is bad.

4) Paper is usually black electrical problem:

● The charging roller is missing or defective.
● The charging roller is deformed or poorly connected.

5) Vertical black line: refers to any unwanted vertical lines from top to bottom, the thick line or wire may be continuous or the intermittent. The thin, light-colored vertical black line is generally a cleaning scraper gap or a circle of scratches on the drum. Thick and intermittent black line, and the edge is not clear, often sealed seal blade Zou or a knife caused by aging.

6) thin vertical white line on the blackboard: the depth of the wear line of the photosensitive drum with the magnetic roller magnetic roller coating or impurity caused by wear line.

7) levels were missing: finger prints on the lateral intermittent not print, because:

● Drum coating local exposure;
● Drum drive gear defects, loose or gear defect.
● magnetic roller coating defects;
● core fracture or positioning error;
● The magnetic roller sheath is badly worn or deformed.
● The magnetic roller conductive spring is in poor contact or beating.

8) horizontal black line: general electrical problem, periodically horizontal black line is often coupled with the charging roller coating defects caused by pinholes on the photosensitive drum coating; irregular horizontal black line is often thin bunker and waste toner binding Not in place caused.

9) periodically illegible: often the focus of the drum or cause pollution roll coating, watermarking, mimeograph, fingerprints, scratch marks often cited this defect.

10) bunches: a defect like money appear superimposed on the printed product, no rules, and difficult to repeat, drum caused by poor grounding.

11) Backscatter: refers to the surrounding text or lines do not need to have black specks, roller coating or toner by the magnetic drum overheating caused by poor (finger sensation and high) can also cause this defect.

12) Corrugated background (tiger grouper): black wavy white version appears on or in the form of white on black version or halftone version; usually a magnetic roller sleeve or coating defects due to normal low density printing, toner Bonding in the magnetic roller caused.

13) hollow words: Strokes text refers to the lack of the image on the lake, for the following reasons:

● toner itself.
● drum, powder with poor. Magnetic roller coating problem.
● The surface of the print media is too light and too strong.
● The paper uses the reverse side.

14) vertical black spots rules:

● by the sealing blade deformed or loose powder caused by scattered.
● As the powder knife aging or deformation, excessive accumulation of carbon in the drum roller, causing leakage powder.

15) Light color: with a variety of factors:

● Toner itself is a problem.
● Toner, magnetic roller with the problem.
● The aging of the knife.
● Magnetic roller wear.
● The life of the photoconductor drum.
● High humidity or moisture absorption.

16) bottom ash: bottom ash toner mist refers to a blank area of prints appear, but also with a variety of factors:

● Scraper aging loose.
● The charging roller is dirty.
● Toner problem.
● The environment is cold and dry.
● The print media is defective.
● Charging roller wear.
● fixing is not strong: refers to the print on the text or image that is to go.
● The toner softening point is higher than the fixing temperature of the machine.
● The print media is too thick or the surface is too light.

Printer ink refill, help you print high-quality documents, photos, and graphics.
Cheapest place to buy printer toner

What is the cleaning method of the printer?

To clean the printer, several parts of the copier need to be separated in order to carry out targeted cleaning work. Editor to detail the various parts of the copier should be how clean.
Copiers at least should be divided into three parts to clean, respectively, copier shell, copier glass panel, copier internal parts and toner cartridge. Here are the cleaning methods for each section:

Cleaning method of the copier case
The cover of the copier can be scrubbed with a semi-wet cloth. Be careful not to be too wet, the water dripping into the copier inside. If you encounter stubborn stains, you can gently wipe dipped in soapy water until the removal of stains so far, and then we have to use a cotton cloth dipped in water wipe several times, and finally dry with a dry cloth to complete the cleaning work. The most important thing to remember about cleaning a copier is cleaning it regularly to keep it clean.

Cleaning method of glass panel for copier
When cleaning the platen glass, avoid wiping with organic solvents. Because the platen glass is coated with a light-transmissive coating and a conductive coating, these coatings do not dissolve in water and are soluble in organic materials, so we do not use solvents such as alcohol to clean them. When using it, please avoid touching the table glass by hand. If there is binding, please remove the pins, paper clips and staples on the original and put it in the specified position. After the altered originals must wait until the correction fluid dry after copying.

Cleaning of internal parts of copier
We clean the internal parts of the copier to pay attention when wearing masks, so as not to smoke, such as dust. The most common part to remember is the fuser roller. Under normal circumstances I still suggest that if the dirty is directly replaced, because it is very difficult to clean up the printer toner on the stick. But if you can not find the replacement, you can try the day with water or gasoline bubble for a while, then wipe scrubbing, generally can remove the dust. In the removal of waste ink tube when you have to be careful to prevent the toner is filled in the air too much by the body inhalation.

2/20/2017

How to Change a Samsung Cartridge

One of the easiest things you can do to keep your printer printing at an optimal level is to change the toner cartridge. Even if the printer is an all-in-one, like the Samsung SCX-4500W, the process can be completed with a few easy steps. And fortunately, you don't even have to guess when the time to change the cartridge comes. This model actually tells you it's time by displaying messages on its screen and by blinking LED lights on the control panel.

To prevent damage to the toner cartridge, do not expose it to light for more than a few minutes. Cover it with a piece of paper, if necessary. Do not touch the green area of the toner cartridge. Use the handle on the cartridge to avoid touching this area. Do not use sharp objects such as a knife or scissors to open the toner cartridge package. They might scratch the drum of the cartridge. If toner gets on your clothing, wipe it off with a dry cloth and wash clothing in cold water. Hot water sets toner into fabric. When opening a scan unit, hold the document feeder and scan unit together.

How to Change a Samsung Toner
Turn the printer's power off. The power button is located on the control panel on the top of the printer, on the right side.

Open the printer's top cover by pressing the top cover lever, which is located on the bottom side of the top cover.

Lift the cover all of the way open.

Locate the toner cartridge. It will be right in the center of the printer and has a handle on the top of it. Grab the handle and pull the cartridge out.

Hold the replacement cartridge at its side and gently rock it back and forth. This will help to distribute the toner equally throughout the cartridge.

Remove the paper cover from the top of the cartridge.

Insert the replacement cartridge into the printer and close the printer's top cover.

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2/15/2017

How to Replace a Toner Cartridge in a Laser Printer

Printer cartridge eventually run out of ink after continued use. Being able to replace them swiftly and correctly lets you get back to work faster. If you want to learn how to replace a toner cartridge in a laser printer, follow these steps.

1. Turn on the printer by pressing the power button. You have to have the device on to access brother toner cartridge of most units.
2. Open the printer door to access the toner cartridges. In some models, you will have to press and hold the release button and pull the lid toward you. When the cover is lifted on most laser printers, the carriage automatically slides to the right side of the unit for easy access to the cartridges.
3. Remove the spent cartridge from the printer. Depending on the model, you may have to unhook the cradle holding the cartridge in place, or press the release tab inward to unlatch the cartridge you want to remove. With some printers, you may have to hold down the blue release button at the side of the cartridge carriage. Once unlocked, remove the cartridge by pulling it up and toward you.
4. Take the new cartridge out of the box, but keep it in its plastic packaging. Sometimes, during shipping, ink can settle in the toner drum, resulting in poor-quality copies. To prevent this problem, gently shake the cartridge. This helps fully distribute toner throughout the cartridge.
5. Remove the new cartridge from its packaging and pull the colored tab on the cartridge. This removes the protective tape from the bottom of the cartridge. While doing this, be careful not to touch the imaging drum on the bottom of the print cartridge. Smudges on the drum can cause print-quality problems.
6. Put the replacement cartridge in. It should snap in place securely. On devices with a locking cradle, be sure to snap it shut around the cartridge before closing the lid.
7. Your printer is ready to be used. Print a test page. Your computer will automatically recognize that a new hp ink cartridges has been installed. Most computers will ask you if you want to print a test page to ensure that the new cartridge is functional. Click "OK." The computer will scan the printer settings and eventually produce a full-color page.

2/14/2017

How to Replace Your Samsung Printer Cartridges

Part of saving time is just being prepared. When an ink cartridge runs out, you don't want to have to drop everything and run to the store. If your office uses Samsung printers and supplies, you may want to get acquainted with Samsung printer cartridge replacement. When it's time to swap out an old printer cartridge, you can save time by following some simple steps. Here are some simple instructions for replacing your Samsung printer cartridges, so you can get back to printing.

Replacing Printer Cartridges:

1. Open the printer utility software. Samsung tries to make replacing samsung printer cartridge simpler by automating most of the steps for you. Explore your printer utility software and learn a bit more about how it works. To replace one of your Samsung printer cartridges, you'll need to open the cartridge replacement utility.
2. Move the cartridge head into place. Have your Samsung printer cartridges ready and follow the utility instructions to move the cartridge head into place.
3. Remove the old cartridge ink. Open the panel concealing the printer head and the old Samsung printer cartridges. Release the clips holding the empty one and pull it out. Remember to recycle your old Samsung printer cartridges. Samsung may even buy them back.
4. Prepare the new cartridge. Remove the appropriate Samsung printer cartridges from the packaging and shake them vigorously.
5. Insert the new cartridge. Remove the tag from the bottom of each Samsung ink cartridge, being careful not to touch any contacts or circuitry. Slip each cartridge into its space and press down until it clicks into place.
6. Close the printer. Close the printer lid or panel. The printer head should slide back into place and start charging your new cartridges.

Samsung Printer Cartridge Tips:
1. Samsung may recycle your hp 201x toner, or you can donate them to local recycling programs.
2. Unless your printer is malfunctioning, avoid printing test pages that can use a lot of ink.

2/13/2017

Installation instruction of Brother TN420/TN450

These instructions explain toner installation procedures for a brother tn420/ tn450 toner cartridge.

The original toner cartridge that was included with this machine may either be a starter, standard, or a high yield cartridge. When the toner becomes low, the TONER LED indicator light will flash continuously until replaced. Once the toner cartridge is empty, the printer will enter a “REPLACE TONER” mode that ceases print functionality until the toner cartridge is replaced. A new and unused toner cartridge will reset the “REPLACE TONER” mode.

Before you begin please take time to perform the following steps to ensure that the new print cartridge is properly detected by your Brother printer:
1. Check to ensure that the dial on the left side of the brother toner cartridge is in the position as illustrated in the image below. If not, turn the dial counter clockwise until it matches the position in the image.
2. Check to make sure that the printer is powered up during the entire process. Changing the cartridge with the printer powered off will not reset the “REPLACE TONER” mode. In the event that the printer is powered off when the cartridge is installed, you will need to remove the cartridge and repeat step one before reinstalling the cartridge.

Replacing the toner cartridge

1. Make sure that the machine is powered up.
2. Open the front cover of the machine.
3. Remove both the drum unit and toner cartridge assembly.
4. Push down the green lock lever and take the toner cartridge out of the drum unit.
5. Unpack the new toner cartridge. Hold the cartridge level with both hands and gently shake it from side to side several times in order to distribute the toner evenly inside of the cartridge.
6. Pull off the protective cover.
7. Note: Before installing this cartridge, please check to ensure that the dial on the left side of the new cartridge is positioned identical to the image below. If not, turn the dial counter-clockwise until it matches the dial position in the image. It is imperative that this dial be locked into position as illustrated to ensure that the printer detects that a new cartridge has been installed and resets the “REPLACE TONER” mode.
8. Put the new toner cartridge firmly into the drum unit you hear and feel it lock into place. If installed successfully, the green lock lever will lift automatically.
9. Clean the primary corona wire inside of the drum unit by gently sliding the green tab from right to left and left to right several times.
10. Reinstall the drum unit and toner cartridge assembly back into the machine. Close the front cover.

2/08/2017

Get familiar with printer supplies-teach you how to repair the drum

Toner to the toner is to reduce the cost of printing the most important method. But the more the number of plus toner, toner cartridges will print quality is getting worse, generally when applied toner over two times, three times, when there will be some regular black spots, and this issue will With the increase in the number of print more and more serious. Finally, there will be printed documents blurred or print out a black mark, this time, the cartridge to scrapped, abandoned it is a pity, leaving useless, most people will choose at this time to replace the new ink cartridge.

In fact, the old cartridge is still available, there are ways to repair, that is, renewable friends. Repaired after the print cartridge quality can also be comparable with the original cartridge, and the cost is only about a quarter of the original cartridge price. This is in line with environmental requirements, but also save our money. Hearing here, is not already heart it! Well, now let us together to waste cartridges to a "back to life."

In fact, repair cartridge method can be divided into new toner and replace the photosensitive drum two parts. Following on in the usual HP 6L printer cartridges, for example, how we provide a method of regenerating the drum. First of all, to cut off the power to the printer, remove the print cartridge from the printer (this is of course, or else how to regenerate it), then pinch the side of the metal pin with a diagonal clamp, carefully pull out (or With metal nails pin into the cartridge, open the cartridge can be taken out after the metal pins), silver metal pins on both sides can be pulled out after the cartridge is divided into two parts, a light blue photosensitive selenium is a collection of waste powder part, While the one with the magnetic roller is the part for powder.

And then part of the magnetic roller for the non-rotating side of the magnetic roller screw unscrew, take the plastic shell can be seen after a plastic cover, open the plastic cover, the toner cartridge and the magnetic roller on the clean up all the toner, Be sure to clean up all the residual toner, it is best to use a vacuum cleaner net absorption. Then the magnetic roller in the reverse order of just the right, this time should be held down by the magnetic roller to prevent the magnetic roller from the original position. The toner shaken slowly into the powder for the warehouse, a good plastic cover and plastic shell should pay attention to the magnetic roller on the axle at the end of the semicircle and plastic shell on the semi-circular holes on the good. Gently rotate the gears on the sides of the magnet roll to make the toner even.

Now comes the most important step - the replacement of the new drum. The waste toner fixing pin fixed portion of the photosensitive drum with diagonal pliers to pull out (this can not be fixed with nails to pin into the drum where yo!), You can remove the old drum pulled out after fixing pin, and then the waste Powder collection part of the waste powder clean up. According to the demolition of anti-order put on a new drum, photosensitive drum installed to note that there is about the points, there will be side of the gear groove mounted groove. Then, fix the pin to fix the photosensitive drum. Newly purchased photographic drums have a black anti-exposure seal, do not torn off before installation to prevent exposure, to be installed after the check can be torn off. Finally, the powder part and the waste collection part of the open position by the installation of recovery, plug the metal on both sides of the card, you can start printing.

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Get familiar with printer supplies-toner cartridge maintenance small recipe

1, extend cartridge life (note: not necessarily valid)

We know that the laser printer in the use of a longer period of time after the print out of the text, the image will appear blurred, bottom ash and other phenomena. Even if the replacement of a new toner cartridge is not solve the problem, then we should take into account the problem may be a cartridge. We know that laser printer toner cartridges have a life: more than 10,000 ships, such as Hewlett-Packard, Lenovo. When the life of the cartridge to a later, there will be the phenomenon. This is mainly due to photosensitive drum surface photosensitive properties of aging, the surface potential decline, the residual voltage increases, affecting the imaging cartridge caused by (see the first part of the printing principle).

Is there any way to make the cartridge back to life? I thought of the surface of the cartridge is a layer of non-toxic organic compounds with photosensitive properties, when in the light, the coating will be conductive. In a number of chemical guidance of friends, I finally get it Cr2O3. As follows: Take to 5 g of chromium oxide, with lens paper dipped directly in one direction along the drum carefully wipe (do not wipe back and forth!) Again, to completely wipe the surface of the drum, do not miss. Wipe should be particularly careful: gentle, and then more gentle! Also note that your nails will scratch the drum tympanic membrane. Through the above-mentioned photosensitive drum can be re-printed thousands of pages to 10,000! What about it? You can save a lot of money, of course, this method may not be effective Oh.

2, full use of laser printer toner cartridges (Note: You can try)

Since Epson (Epson) series laser printer with excellent print performance and convenient operation performance in the community there are a considerable number of users. But because of its more expensive supplies and the use of the cartridge is very easy to fatigue, when the fatigue, the drum surface can not be returned in the print media will leave a very "heavy" background, a direct impact on the print.

Although the above mentioned also wipe with the chromium oxide cartridges, toner cartridge can eliminate the fatigue phenomenon, but this method may not be feasible. Because chromium oxide is solid particles (can not be dissolved), use it to wipe the surface of the drum, it may damage the drum surface. Some friends in the test of this method, but no effect, but the surface damage to the drum is very serious. After a number of tests, we also found a very simple method to eliminate the drum surface fatigue phenomenon, with this method, a cartridge can print more than 15,000 documents.

Specific methods are as follows: When the drum fatigue phenomenon, the first to remove the cartridge shell, in order to prevent damage to the drum surface, a soft cloth can be used to wrap the drum surface, remove the shell, carefully remove the cartridge, the sun exposure To two hours, although the printer manual is strictly prohibited on the cartridge under the sun exposure. But this method is indeed valid, anyway, dead horse as a living horse to medicine it! And then poured waste toner powder box, a small screwdriver can be used in the waste toner box back and forth, the toner will soon come out, this will prevent the powder when confused full "dust" flying, will be poured out Of the toner collected up and down the toner cartridge, but also for you to save an expenditure. After cleaning the surface for a soft cloth and toner cartridges some of the parts, after the installation of a good cartridge, that you are done. Then you will be pleasantly surprised to find that the original unbearable purpose of the manuscript now "clear" visible, originally very "heavy" background wiped out. The above test is a friend's personal experience, each time can be successful, you may wish to try it effective!

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Get familiar with printer supplies-the daily maintenance of toner cartridges

1, the installation and storage

Toner cartridge is an important component in the laser printer, a direct impact on the quality of printing. Cartridge installation is actually very simple, as long as the cartridge removed from the bag, out of the seal, and then to the drum axis axis rotation, the toner in the drum in the distribution, and then installed on the printer can be.
As for the preservation of toner cartridge, in fact, more simple. As long as the cartridges stored in the original packaging bags, can be stored at room temperature. Do not let the sun direct exposure, otherwise it will affect the life of the cartridge.

2, maintenance issues

As the laser printer imaging is dependent on the photoconductor drum exposure. When the toner cartridge encounters strong light, the inner and outer layers of the toner cartridge are turned on, so that the voltage of the toner cartridge is different from the voltage at the unexposed place, where the toner image can be attracted during the fixing process. However, a certain point of exposure to the drum time and the number of times are limited, especially in the long exposure to continuous damage to the cartridge more severe. So users usually should be used a lot of attention to the maintenance of toner cartridges.

   1) Do not make the drum exposed to direct sunlight or other strong light sources.
   2) Do not replace the toner cartridge in bright light, it should be as soon as possible to complete the installation process.
   3) When the toner cartridge is removed from the printer, immediately put it back in the box or thick soft linen wrap.
   4) If the toner cartridge from a cold place into a warm place and then set aside an hour or longer before use.
   5) the drum light barrier shielded from external light source in order to protect the photosensitive drum, do not open the drum light barrier.
   6) Do not touch the photosensitive drum surface by hand, and to prevent the drum surface to scratch hard objects.
   7) Do not put the toner cartridge in a place of high temperature and high humidity.
   8) to ensure that the cartridge away from the monitor, hard drive, floppy disk drive, or any other magnetic material.

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Get familiar with printer supplies-choose a good cartridge

At present, the laser printer cartridges are original cartridges or other companies to produce a common cartridge and refill the cartridge three. Now we will analyze the differences between these products.

We know that the print quality is certainly the first customer to consider the issue, no doubt, the original cartridge is clearly the best choice. Original cartridge As the design process carefully considered and other parts of the printer integration, the production process is meticulous, it can also create the ideal print results, much better than other compatible products. With the original print cartridge in the printer to print out the edge of the text clear, black uniform, vivid picture, but the use of alternative products when the effect will be far worse. This is because the original cartridges of the engineers in order to print the best, in the laboratory for a lot of testing and improvement, even the most minor defects must be removed and then fast. Therefore, the emphasis on print quality users usually do not hesitate to select the original cartridge.

General generic cartridges in print quality can be said to achieve the basic requirements of the printer output, but may differ in certain special circumstances, such as when printing two pounds of fine words somewhat confusing. The refilled cartridge as a result of the manufacturing process using a manual approach, print quality is good and bad, the printing effect is difficult to be guaranteed. Of course, when we consider the quality of print, print cost is also a very important consideration, especially for price-sensitive individual users. Many people will think that the original product quality is good, but at the same time the price is relatively high, this is actually an incorrect understanding, a large number of objective tests show that the original single-page printing cost is not high, the overall cost Is relatively low.

There is an independent research institutions have carried out an objective laser printer toner comparison experiment. The results showed that, in comparison with the other two original compatible cartridges, the original product cost per page and total cost of ownership (TCO) minimum, a single drum is the largest number of copies, print quality is the best.

Original cartridge due to the long service life, it saves the user money than the printer itself, the price even more. Therefore, it is recommended to use the original cartridge. Universal toner cartridge, from its print quality can be said to be able to achieve the basic requirements of the laser printer output, but there may be a special case, the distinction between generic toner cartridges are also produced brand name, product quality is guaranteed, although its price Slightly lower than the original cartridge, but the number of sheets to print less than the original cartridge, so the overall cost of printing and original cartridge is almost the same.
As for the re-filling of the cartridge although the price is very attractive, but because of its number of prints is too little or less than half of the original cartridge, so the overall cost of printing is no less than the original cartridge and universal toner cartridges.

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Get familiar with printer supplies-understand the classification of cartridges

In the selection of the appropriate cartridge before we first look at the classification of the cartridge. Toner cartridge is the most important kind of laser printer supplies. Laser printer cartridge by combination can be divided into the following three categories:

Integrated cartridges: photoconductor drum (photosensitive drum), drum (development roller) and toner cartridges as one of the drum. This cartridge in the design of the structure in principle does not allow users to add toner.
Binary Toner Cartridge: refers to the drum is divided into two separate parts: part of the photoconductor drum, the other part of the drum and toner cartridges. After the user runs out of toner, simply replace the drum and toner cartridge components without replacing the photoconductor drum.

Three-body cartridges: refers to the drum is divided into three separate parts: photoconductor drum, drum, toner cartridges. Replace the toner cartridge only after the user has run out of toner. Usually some manufacturers call it drum powder separation technology.

For two-body or three-body cartridge, does not mean that the use of the laser printer, the user does not need to replace the photoconductor drum, in fact, these two types of photoconductor drum and the first type of integrated cartridge, the photoconductor drum has A certain life, and some even less than the integration of the drum drum photoconductor long life. Therefore, in the purchase of laser printers, the user must pay attention.

In the photoconductor drum photosensitive material coated metal selenium alloy, because of its superior performance, reliability has been recognized by most of the world of laser manufacturers, HP, Xerox, Lexmark, Shida, Founder, and other manufacturers have chosen laser printers cartridges . There are also some manufacturers use ceramic surface of the photoconductor drum.

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Get familiar with printer supplies

We all know that the core component of the laser printer is the cartridge, toner cartridges directly affect the quality of the print, so we need to come to an independent understanding of the cartridge. This article includes the following four parts:

First, the importance of toner cartridges and toner

Before talking about toner cartridges, we need to briefly understand the relationship between toner cartridges and laser printers, we can first look at the laser printer works! The working principle of black and white laser printer, for example, when the computer sends data to the printer through the cable, the printer will first receive the data temporarily stored in the cache, when received a complete data sent to the printer after the processor, These data are processed into data sets of similar data tables that can be used to drive the print engine. For laser printers, these signals are a set of pulses that drive the laser head.

Well, laser printers began to work, in fact, the core technology is the electronic imaging technology, which combines the principles of imaging and electronics to generate images, the core component is a photosensitive cartridge. Laser emitters emit laser light on a prism-shaped mirror, with the rotation of the mirror, the light from one end of the drum to the other end in turn sweep (half way through a variety of focusing lens, so that the surface of the drum to scan the light is very small), then the drum to 1/300 inch or 1/600 inch stride is rotated and scanned line by line in the next performed. In fact, the drum is a surface coated with organic materials, cylinder, pre-charged with, when there is light exposure to the parts of the exposure will occur resistance of the reaction. The computer sends the data signal to control the laser emission, scanning the surface of the drum in the light constantly changing, so that some places will be exposed, the resistance is smaller, the charge disappeared, and some places are not subject to light exposure, Charge, and ultimately, the drum surface formed by the charge formed by the latent image. As shown in Fig.

How does the latent image become the actual printed image? Toner plays a key role in the toner is essentially a charge of fine plastic particles, the charge and the surface of the charge on the drum opposite polarity, when the surface of the drum with a charge through the ink roller, the charge The location of adsorption of toner particles, latent image becomes a real image. While the drum rotation, another group of transmission system will be sent to the printing paper, the print tape and the drum surface polarity of the same but much stronger charge, then the paper with toner cartridges, toner cartridges surface of the toner is attracted Onto the printing paper, the image is formed on the surface of the paper. At this time, the toner and the printer are merely attracted together by the attractive force of the charge, and the toner of the plastic mass is melted by heating at a high temperature before the printing paper is fed out to the printer, and solidifies on the surface of the paper sheet during the cooling.
After the toner is attached to the paper, the drum surface continues to rotate, passing through a cleaner that removes the remaining toner to enter the next print cycle. Can be seen in the process cartridge accounted for a very important position.

In fact, the laser printer is the most critical components. Because it not only determines the print quality is good or bad, but also determines the cost of printing. This is because the laser printer, 70% or more of the imaging units are concentrated in the drum, the print quality is good or bad in fact, it is largely determined by the cartridges. The cartridge and the printer is a consumable, the use of a period of time and reach a certain number of sheets after use need to be replaced, so choose the laser printer cartridge has a lot of knowledge.

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