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It can also be caused by a damaged or dirty mirror that reflects the laser beam or it can be caused by a damaged fuser unit. If the drum is damaged in any way with a fingerprint or dirt on it, it can cause sections of the printout to be missing because the dirt is blocking your image from being rolled onto the page.
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The drum then rolls the toner onto the paper as it passes.Ī drum is a replaceable maintenance part of the printer and can either be built into the toner cartridge or separate from the toner located on top of or underneath it. The laser printer works by a laser beam ‘sketching’ the image of what you are printing onto a green metal cylinder called a drum or photoconductor unit. There are a few possible causes of this so you may need to check each in a process of elimination to figure out what’s happening but in most cases, the problem is caused by the drum. Missing areas of print (either always in the same place or not) Remember to be careful and if you are at all unsure, find a printer technician who is experienced in cleaning the printer. Warning: make sure you wear gloves and don’t touch the transfer belt film with your fingers or the hoover, you could leave a mark that will cause additional print problems.
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CANON MF 210 REFILL KIT HOW TO
What causes faint or missing lines and how to fix them.What causes horizontal lines when printing and how to fix them.How to fix the printing black lines issue.What causes black lines or smudges down the page.Here are some quick links to help you find the correct solution or the information that you need: Here’s what you’ll learn about printers & black lines
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If this is happening with your Brother, Canon, HP, Lexmark, Oki or Xerox printer and you’ve had enough then read on…. The image above gives an example of black lines printing down the page.
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