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169
Symptom Cause Remedy
Toner smudges on back-
side of paper
0951o226
Dirty fusing roller Replace the fusing roller.
Dirty image transfer roller
Replace the Second image trans-
fer roller.
Dirty paper transport path Clean the paper transport path.
Low image density
0951o214
No toner in toner cartridge Replace the toner cartridge.
Faulty PC drum (end of service
life)
Replace the drum cartridge.
Poor developing bias
Replace the master board (PWB-
A).
Replace the controller control
board.
Poor image transfer
Replace the Second image trans-
fer roller.
Replace the master board (PWB-
A).
Replace the transport image
transfer belt unit.
Replace the controller control
board.
Foggy background
0951o218
Poor developing bias
Replace the master board (PWB-
A).
Replace the controller control
board.
Faulty PC drum (end of service
life)
Replace the drum cartridge.