Oki B 4100 Maintenance Manual page 283

Troubleshooting flow chart 11:
Periodic abnormal printing
Check the fax control side.
40055101TH Rev.4
Yes
1.44" (36.6 mm)
period?
No
Yes
1.98" (50.3 mm)
period?
No
Yes
2.63" (66.8 mm)
period?
No
Yes
0.81" (20.6 mm)
period?
No
Yes
0.81" (20.6 mm)
period?
No
Yes
1.71" (43.4 mm)
period?
No
Yes
2.46" (62.5 mm)
period?
No
Yes
1.98" (50.3 mm)
period?
No
Developing roller (inside EP unit)
failure.
Replace or clean the EP unit.
EP drum (inside EP unit)
failure.
Replace the EP unit.
Tonner supply roller (inside the EP unit)
failure.
Replace the EP unit.
Charging roller (inside the EP unit)
failure.
Replace the EP unit.
Cleaning roller (inside the EP unit )
failure.
Replace the EP unit.
Replace the transfer roller.
Heater roller (inside the fuser unit)
failure.
Replace the fuser unit.
Replace the Back-up roller.
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