[ 5 ]Print-image related
If the received or sent image has any problem, first make a copy with the facsimile equipment.
If the copied image is normal, the problem may be due to the remote terminal; if it is abnormal,
proceed to the following checks:
TroubleAction to be taken
(1) Completely blankAt the scanner
Check the following components:
- CIS harness
- Main PCB
- CIS unit
At the printer side
lClean the high-voltage contacts for the developer roller on
the drum unit, main cover, and high-voltage power supply
PCB. (Contacts ? in the illustration given on page VI-27)
lClean the grounding contacts on the drum unit, main cover,
and high-voltage power supply PCB. (Contacts ? in the
illustration given on page VI-27)
lReplace the toner cartridge.
lReplace the drum unit.
lCheck the connection of the laser flat cable on the main
PCB.
lReplace the main PCB.
lReplace the laser unit.
lReplace the high-voltage power supply PCB.
(2) All blackAt the scanner
Check the following components:
- CIS harness
- CIS unit
- Main PCB
At the printer side
lClean the high-voltage contacts for the grid and charger on
the drum unit, main cover, and high-voltage power supply
PCB. (Contacts ? and ? in the illustration given on page
VI-27)
lClean the charger (corona wires) itself.
lCheck the connection of the laser flat cable on the main
PCB.
lReplace the drum unit.
lReplace the high-voltage power supply PCB.
lReplace the main PCB.
VI - 20 |