The laser unit is not functioning properly. Check the laser connector or replace the unit.

Operating under immense heat and pressure, the fuser sleeves can wear down, causing toner to smudge or paper to wrap around the rollers continuously. The service manual highlights the exact two screws and ground wires that must be detached to safely slide the hot fuser unit out of the side door. Feed Rollers

Laser printers use high voltage, extreme heat, and invisible laser radiation. Always adhere to these manual warnings:

| Part Name | Canon Model Number | | :--------------------- | :----------------- | | Toner Cartridge | C-EXV 60 | | Drum Unit | C-EXV 42 |

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This chapter reveals the secret service mode. By pressing a specific sequence (“Additional Functions” > “2” and “8” simultaneously, then “Additional Functions” again), you enter a powerful menu where you can:

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: Standard 2.0GB RAM , which is significant for handling complex print and scan jobs .

Fixing Assembly (Fuser) temperature failure. The unit failed to heat up within a set time.

Yields approximately 10,200 prints (at 6% coverage).