Oki B4100 - Manual (Page 283)

40055101TH Rev.4 283 /
Yes
Periodic abnormal printing
0.81" (20.6 mm)
period?
2.63" (66.8 mm)
period?
Charging roller (inside the EP unit)
failure.
Replace the EP unit.
No
1.44" (36.6 mm)
period?
Developing roller (inside EP unit)
failure.
Replace or clean the EP unit.
Yes
1.98" (50.3 mm)
period?
Yes
No
EP drum (inside EP unit)
failure.
Replace the EP unit.
Tonner supply roller (inside the EP unit)
failure.
Replace the EP unit.
No
Yes
Yes
1.98" (50.3 mm)
period?
2.46" (62.5 mm)
period?
Replace the Back-up roller.
No
Yes
Check the fax control side.
No
Heater roller (inside the fuser unit)
failure.
Replace the fuser unit.
1.71" (43.4 mm)
period?
No
No
Cleaning roller (inside the EP unit )
failure.
Replace the EP unit. Yes
Replace the transfer roller.
Yes
No
0.81" (20.6 mm)
period?
Troubleshooting flow chart 11: