Ali me t d rou leshooti
4-23
Service Manual
.1.9 Periodic De ective Im e
If an image defects appears at regular intervals on the printed-paper, it is due to a faulty or damaged roller.
efer to the table below and check the condition of the appropriate roller.
1 OP Tranfer roller
2 Developing oller 6 Pressure roller
3 harging roller 7 using roller
4 Supply oller
7
6
1
5
2
3
4
oller Period mm Phe ome o De ective rt
OP Drum 7 . mm White and Black Spots
Toner artridge
Developing oller 3 .2mm White spot, Horizontal black band
harging oller 26.7mm Black Spot and line and periodic band
Supply oller 47. mm Periodic Band by little difference of density
Transfer oller 47mm host, Damaged image by abnormal transfer Transfer roller
Pressure oller 7 .4mm Background
user
Heat oller 77. mm Black spot and image ghost
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