Gp 8 Periodic Defective Image - Xerox WORKCENTRE 3119 Service Manual

GP 8 Periodic Defective Image

If a mark or other printing defect occurs at regular intervals down the page it may be caused by a
damaged or contaminated roller. Measure the repetition interval and refer to the table below to
identify the roller concerned
No Roller
1 OPC Drum
2 Charge Roller
3 Supply Roller
4 Developing Roller
5 Transfer Roller
6 Heat Roller
7 Pressure Roller
WorkCentre 3119
Table 1:
Defective
Image
75.5mm White spots on a black image or vice versa
37.8mm Black spots
44.9mm Light or dark horizontal image bands
35.2mm Horizontal band image
45.3mm Image Ghost
64.0 Black image and image ghost
75.3mm Black spot on the backside
Figure 1
06/06
General Procedures and Information
Typical Defect
6-41