J007/J010/J011 42 Repair Center Manual
2. Make sure the power supply rating is correct.
Replacement Procedure:
1. Replace control board.
2. Replace PSU.
Printer halts during print job
Description: Power switches off suddenly during printing.
Probable Cause: Print head defective.
Location: Print head unit
Service Center Procedure:
1. Check power supply connection.
2. Make sure the power supply rating is correct.
Replacement Procedure:
1. Replace the printer.
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.
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