25 YEARS OF PRINTER REPAIR KNOWLEDGE
I cannot stress enough how important the toner cartridge is to overall print quality. Anytime you're experiencing poor image quality, start with a toner replacement. Toner cartridge problems represent over half of the service calls Technicians face on a daily basis.
Don't have a spare toner? Try this trick before you purchase a new one. Run a test page and let the page feed just enough to reach the toner cartridge inside the printer, but before it gets to the fuser unit. Next, open the toner door or unplug the printer to jam the paper under the toner cartridge. Take the toner out of the printer and look at the partially printed page. Note: Be careful, the page has not passed through the fuser unit and toner is a messy powder at this stage in the print process. If the jammed page has the image defects visible, you most likely have a toner cartridge or image drum problem. Most Hewlett Packard and Lexmark B/W Laser Printers have a single toner cartridge that contains the drum, toner and developer units. Some other models, including some Kyocera and Brother laser printers, have separate components... a drum, toner and developer unit. On those models finding the faulty component can be tricky, but its best to look for visible problems on the image drum first.
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Note from the Printer GuruSo you really want to repair your own printer? Here are some simple (and not so simple) articles to help you. ArchivesCategories |