Question about Office Equipment & Supplies
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Posted on Jan 02, 2017
Not one answer for this problem. It could be the tube going from toner cart to developer unit is clogged or kinked. It could be the dev unit. Get a toner vac and remove toner and black cap and spring and using the round hose end create seal and vac the tube. The part that goes into the toner cart has hole on the very end, it might have broke off (look at another color to verify). The worst case is the toner attraction pump has failed. One fix is shake the toner and reinstall.
Posted on Mar 11, 2009
51.22 is a Magenta laser scanner error.
Try removing the magenta restarting the printer and reinstalling.
If that does not work you likely need a laser assm.
You might want to call a tech. to replace.
Posted on Apr 02, 2009
try this link : I followed the directions and fixed the problem. the instructions that came with the new printhead weren't really complete.
Here's essentially all I did for my fix - Opened the printer top, turned the printer off. Removed the "bad" printhead, cleaned the metal contacts on the printhead and printer with windex. Closed the printer. Turned it on. waited for it to reset. Opened the printer. Turned the printer off again. Installed the printhead. Closed the lid. Plugged the printer in again. When it was ready I accessed the HP toolbox and alligned the printheads and cleaned the printheads. It worked. Here's a link with photos.
Posted on May 01, 2009
If you've already changed out the toner cartridge and the problem persists, then it could be several other parts that are either defective, dirty or blocked.
You may want to contact a certified Xerox technician and have them look at the Imaging Unit Agitator Bar and the Low Toner Sensors for Cyan/Magenta. There could also be a faulty toner supply motor.
Posted on Sep 10, 2009
Testimonial: "Thank you for the advice about the agitator bar and sensor. I'll do some research on those items & will also do a thorough cleaning of the inside."
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