Question about Kyocera FS-3900DN Laser Printer
Posted by Anonymous on
It might be the main charger (MC-310 or MC-320) or the ground of the developer unit. In the first case, just remove the roller from the drum unit and clean it. In the second case, you have to remove the engine pwb (the board under the printer) and check the spring which grounds the developer unit.
Posted on Jul 15, 2014
Tips for a great answer:
Feb 06, 2014 | Brother Office Equipment & Supplies
1. Press Menu to open the MENUS.
2. Press to highlight DIAGNOSTICS, and then press .
3. Press to highlight PQ TROUBLESHOOTING, and then press .
The message PRINTING... PQ TROUBLESHOOTING appears on the control-panel display until the
printer finishes printing the PQ troubleshooting pages. The printer returns to the Ready state after
printing the PQ troubleshooting pages.
the pages it produces are individual colors, black, magenta, yellow and cyan and a white page and a config sheet.If the defect is on all pages then it might be a bad transfer belt. If it is only on one of the color pages, that will tell you which cartridge is bad.
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