Phaser 6300/6350/6360 Service Manual 4-13
General Troubleshooting
Inoperable Printer Troubleshooting
Engine Power-Up Sequence
1. Engine Control Board logic check
2. Imaging Unit (Missing, NVRAM (CRUM) Error, CRUM ID, Life Over)
3. Fuser (Missing, NVRAM (CRUM) Error, Life Over)
4. Toner Cartridge (Missing, Life Over)
5. Transfer Roller (Missing, Life Over)
6. CTD (ADC) Sensor (Error)
7. All paper sensor (Jam)
8. Door(s) (Open)
9. Environment Sensor (Error)
10. NVRAM (NVRAM error)
11. Image Processor Board POST Diagnostic check
Printer Continually Displays Warming Up...
1. Verify the correct Fuser (110 V vs 220 V) is installed in the printer.
2. See the Engine Power-Up Sequence on page 4-13.
Printer Continually Displays Install or Reseat Imaging Unit
1. See “Install or Reseat Imaging Unit” on page 3-33.
Printer Displays Reseat Contoller Board
1. Turn Off printer power.
2. Remove the Image Processor Board (page 8-99).
3. Check the condition of P/J120. Reseat the Image Processor Board and
completely tighten the screws that secure the Rear Panel to the frame.
4. Reboot the printer. If the error persists, turn Off printer power and verify
the 3.3 VDC supplied from the LVPS. See “DC Power Supply
Troubleshooting” on page 4-15.
5. Reboot the printer. If the error persists, turn Off printer power and replace
the Image Processor Board (page 8-99).
6. Reboot the printer. If the error persists, turn Off printer power and replace
the Engine Control Board (page 8-106).
Printer Does Not Come to a Ready State
■ See “AC Power Supply Troubleshooting” on page 4-15.
■ See "Fault Isolation" on page 4-5.