Oki OKIFAX 5400 Maintenance Manual page 236

Troubleshooting flow chart 12:
Periodic abnormal
Check the fax control side.
40838301TH Rev.1
printing
Yes
1.66" (44.4 mm)
period?
No
Yes
3.71" (94.2 mm)
period?
No
Yes
2.27" (57.8 mm)
period?
No
Yes
1.56" (39.6 mm)
period?
No
Yes
1.24" (31.4 mm)
period?
No
Yes
2.01" (51.1 mm)
period?
No
Yes
2.47" (62.8 mm)
period?
No
Yes
2.72" (69.1 mm)
period?
No
Developing roller (inside ID unit)
failure.
Replace or clean the ID unit.
EP drum (inside ID unit)
failure.
Replace the ID unit.
Tonner supply roller
(inside the ID unit) failure.
Replace the ID unit.
Charging roller (inside the ID unit)
failure.
Replace the ID unit.
Cleaning roller (inside the ID unit )
failure.
Replace the ID 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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