4. Alignment and Troubleshooting
5)
Blank Page
•
Description : Blank page is printed.
Cause and Check Point
Solution
Bad contacts from OPC drum and/or toner cartridge to
ground.
Check the terminal of Ground-OPC.
Not working the LSU.
Check the connector of LSU.
Not working the developing bias voltage on HVPS.
Replace the defective HVPS.
NOTE
HVPS output information
-
If the output for MHV, DEV is abnormal, replace
the HVPS1 (JC44–00242A).
-
If the output for 1THV, 2THV is abnormal, replace
the HVPS2 (JC44–00243A).
6)
Uneven Density
•
Description : Print Density is uneven between left and right.
Cause and Check Point
Solution
The rear cover is not closed correctly.
Open and remove the rear cover correctly.
The life of the Toner Cartridge has expired.
Replace the corresponding toner cartridge.
The pressure force in the left and right springs of the ITB
unit is not even.
Replace the ITB Unit
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