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What is A Transfer Kit?

Transfer unit

What is A Transfer Kit? 

The transfer unit is part of the laser printer mechanism wherein the image is impressed on the paper before the fusing process. It is found beyond the photosensitive drum and before the fuser assembly. Like most part of the printer, the transferring process also involves passing through the different parts of the unit. After the developing of image on the photosensitive the drum, the paper then passes through two rollers (upper and lower). The lower roller is charged with electrostatic attracting the toner to stick to the paper from behind to form the image. The rollers finally imprints the image on the paper while at the same time clean up excess or loose toner and deposits it in the toner waste hopper.

More tips and tricks to printer maintenance and how you can save on printing supplies from the Printer Encyclopedia.

Transfer kit vs Maintenance kit

There is very much a big difference between the transfer kit and maintenance kit, although both contain a laser printer’s replacement parts. The maintenance kit or the preventive maintenance kit has the basic and general parts for replacement. As we know, each unit or mechanism of a printer has a lifespan. The kits are used to replace these units’ assembly so overusing may be prevented. The maintenance kit usually includes a transfer roller, multiple paper tray feed and retention rollers and some has pick up roller, Fuser, and even separation pads depending on the manufacturer. It may take thousands of cycles or years before a moving printer part needs replacement, however, it is always recommended to have one at a ready.

What’s in the kit?

transfer kit

On the other hand, the image transfer kit solely contains replacement parts for the transfer unit, which includes transfer drum, belt, charger, cleaning roller, and a charcoal filter. It would take more than 50,000 page yield for CMYK and at least more than 100,000 pages for monochrome before another replacement is required for the transfer unit. No worries how you will be able to figure out if it’s time to change the parts because the transfer unit also has a counter that also needs to be reset whenever replacement occurs. Don’t forget to calibrate though after resetting so you know that everything is still in order.

What needs replacement?

transfer kit


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The transfer unit is a moving part of the laser printer and therefore prone to problems and eventually wear out. Transferring of images requires precise movement of the transfer rollers and transfer belt for the toner. They must be correctly aligned so the image on the paper is accurately placed. As mentioned, the transfer unit is also responsible for clearing the excess toner so there wouldn’t be any build up or loose toner in any other part of the printer. When these parts are defective, unclean or worn out, expect numerous cases of poor quality printouts and other possible interior problems.

Printer Troubleshooting

How To Clean The Transfer Belt In A Color Laser Printer

Transfer Belt
Transfer Belt
Okidata C5200n 5400 Transfer Belt Unit OEM

Color laser printers have a more complex printing process which enables them to produce precise prints without color fringing or streaking on the edges of the colored regions. Some color laser-class printers use a rotating belt called a “ transfer belt ” to further color registration accuracy. Although cleaning it is not necessarily required, regular maintenance can help extend the printer component’s life expectancies as well as optimize the machine’s performance.

What Is A Transfer Belt?

It is a rotating belt that is typically large which carries the mixture of different colors of toner particles. Color laser printers use the CMYK color combination. This means a color laser-class printer will typically have 4 toner cartridges. The transfer belt will pass in front of all the four cartridges colored as cyan, magenta, yellow and key (black). The cartridges will then precisely apply each toner layer to the belt which will then apply the combined layers uniformly onto the paper. This process happens in less than a second but will have significant effects on the printouts. This printing technique widens the color tone range of the CMYK color combination. This will greatly improve quality of color outputs. Newer color laser-class printers usually use this technology to produce better color image printouts.

Transfer Belt

Why Does a Transfer Belt Need Cleaning?

Like most laser printer components, a transfer belt needs cleaning to prevent print quality deterioration. Although the belt does not need cleaning as often as the other parts like the drum unit, the excess toner from cartridges as well as dust will build up which will affect the machine’s performance. The belt will need cleaning, especially after suffering from a major toner leaky. The printer may suffer from issues known as registration errors which occurs when printing color images. Registration errors can cause blurring, unintended color fringing, and light or dark streaks on the edges of the printouts and may even occur all throughout the outputs. In order to avoid such work-halting issues, maintenance is highly recommended.

More tips and tricks to printer maintenance and how you can save on printing supplies from the Printer Encyclopedia.

How to Clean a Transfer Belt?

A transfer belt can be cleaned using a cleaning cycle with a software or through manual cleaning. The type of cleaning varies depending on the severity of the problem. Usually, minor streaking and blurring can be fixed using a cleaning cycle with a software. However for the major registration issues, manual cleaning is recommended as it may need replacing depending on the state of the transfer belt.

**Cleaning Cycle With Software

Step 1 – Install the color laser printer utilities that come along with the printer. For best results, users can download the latest drivers and utilities from the OEM’s website. For those using the included CD/DVD that came with the printer package, simply insert the disk into the disk drive and run the setup. Downloaded drivers and utilities usually come in compressed, installing a decompression software like WinRar should do the trick. Simply extract the files into the selected folder then run the setup.

Step 2 – Once the utilities are installed, look for the “Laser Printer Cleaning Cycle”. This is usually found on the tool bar under printer maintenance. Follow the steps indicated in the transfer belt maintenance window. There are some printers that require removal of some parts so be sure to do so to avoid issues. Do note that this will consume some toner in the process. Be sure to have enough before proceeding with the process.

Step 3 – After the process is done, restart the printer then test print. If problems persist consult a professional.

transfer_belt detach

**Manual Cleaning

Step 1 – Read the manual before doing anything else to prevent further damage. This will also simplify the cleaning process as manuals usually provide enough information regarding transfer belt maintenance.

Step 2 – Turn off the color laser printer and unplug it from the power source.

Step 3 – Open the access door of the printer and locate the transfer belt. Depending on the kind of printer,toner cartridges may have to be removed. It would be safer to refer to the steps indicated in the manual.

Step 4 – Remove the transfer belt and check how severe the problem is. Although it can be cleaned without removing it from the printer by wiping it with a piece of soft cloth, removing it is recommended to get the best results.

Step 5 – Use a blower to blow out the excess toner out of the printer. This is done to make sure that excess toner and dust particles are flushed out. After doing so, gently wipe the transfer belt with a soft cloth. Do not use alcohol as it may damage the belt. Also note that the belt is light sensitive, exposing it to light for an extended period of time may render it useless.

Step 6 – Once the transfer belt is clear of dust and toner residue, reinstall it into the laser printer. After reinstalling everything, turn on the printer and test print. If problems persist, it would be best to call a professional.

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Transfer belts may not be found in some color laser printers but it is a key component for those that have it. They may not be as talked about as toner cartridges but without keeping them at their best state, color registration precision could only be fair or even be outright poor. Avoid registration errors and keep top quality color prints by taking care of the parts inside the machine.