Oki LP-1040 Maintenance Manual page 270

■Technician troubleshooting
Check printing using the engine test pattern 2
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
Release the cleaner blade latch
Not solved
Yes
Replace the process cartridge
Not solved
Check the other possible problem locations
Fuser unit
The heat roller is damaged or deformed
Yes
OK
End of procedure Replace the heat roller
Not solved
OK
End of procedure
Replace the fuser unit (see p. 9-79)
* After replacing the fuser unit, adjust the nip pressure (see p. 10-17) and
calibrate the skew/slack (see p. 10-20)
Not solved
Check the other possible problem locations
No
Clean the thermistor in contact with the heat
roller
OK
Not solved
End of procedure
OK
End of procedure
OK
End of procedure
Chapter 7 Printer Image Quality Problems Troubleshooting
7-41