Dell 1135N Service Manual - Page 96
Periodic De ective Im
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Ali me t d rou leshooti .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. oller OP Drum Developing oller harging oller Supply oller Transfer oller Pressure oller Heat oller Period mm 7 . mm 3 .2mm 26.7mm 47. mm 47mm 7 .4mm 77. mm Phe ome o De ective rt White and Black Spots White spot, Horizontal black band Black Spot and line and periodic band Toner artridge Periodic Band by little difference of density host, Damaged image by abnormal transfer Transfer roller Background user Black spot and image ghost 7 32 4 6 1 5 1 OP 2 Developing oller 3 harging roller 4 Supply oller Service Manual Tranfer roller 6 Pressure roller 7 using roller 4-23
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