Xerox WorkCentre PE114e Service Manual page 66

Alignment & Adjustments
6.9 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
Fuser
SCAN PART
Service Manual
6-8
Defective image
75.5mm
37.7mm
47.8mm
35.2mm
45.3mm
57.1mm
59.7mm
6
7
1
2
3
4
<Rollers Layout>
white spot on black image or black spot
light or dark horizontal image band
horizontal image band
Black spot and image ghost
black spot on the backside
L S U
Toner Cartridge
2
4
1
3
PTL
5
OPC Drum
Charge Roller
Supply Roller
Developing Roller
Typical defect
black spot
image ghost
MP Sensor
5
Tramsfer Roller
6
Heat Roller
7
Pressure Roller