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Right Front Door
Right front door (ink cartridge cover) open but not detected
Description: Open right cover does not trigger the ink cartridge cover open alert.
Probable Cause: Cartridge cover sensor signal did not change.
Location: Ink cartridge cover sensor, control board
Service Center Procedure:
1.
Make sure the power supply rating is correct.
Replacement Procedure:
1.
Replace ink cartridge cover (right front door sensor).
2.
Replace operation panel.
Top Cover
Top cover open but not detected
Description: Open the top cover does not trigger the cover open alert when the printer is not in sleep mode.
Probable Cause: Signal of the cover open sensor did not change.
Location: Top cover sensor, control board
Service Center Procedure:
1.
Make sure the power supply rating is correct.
Replacement Procedure:
1.
Replace the top cover sensor.
2.
Replace front cover sensor (ink cartridge cover).
3.
Replace control board.
Tray 2
Printer driver does not recognize PFU (Tray 2)
Description: The optional PFU is installed but does not appear as a paper feed source in the printer driver.
Probable Cause: PFU detection signal did not change.
Other Problems
3
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