Oki LP-1040 Maintenance Manual page 276

■Technician troubleshooting
Check printing using the engine test pattern 18
Process cartridge
Check whether or not the process cartridge has been replaced in the
process cartridge log (see p. 2-15).
The process cartridge has been replaced
No
Replace the charger unit
Not solved
Yes
Replace the process cartridge
Not solved
Check the charger unit installation
OK
Not solved
End of procedure
Clean the four contact areas of the process cartridge
OK
Not solved
End of procedure
Check the four contacts of the process cartridge and repair any poor
contact.
OK
Not solved
End of procedure
Check the voltage
OK
Not solved
End of procedure
Check the other possible problem locations
LED head
Remove and reinsert the cables (see step 4 to p. 9-214)
Not solved
Replace the LED head (see p. 9-214)
Not solved
OK
End of procedure Check the other possible problem locations
OK
End of procedure
OK
End of procedure
OK
End of procedure
Chapter 7 Printer Image Quality Problems Troubleshooting
PSU-T2 MNT
The measured voltage corresponds to the specified value
OK
Replace the PSU-T2
Not solved
NG
End of procedure
Check the other possible problem locations
OK
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