Repeating Defects - Xerox phaser 3140 Service Manual

Repeating Defects

Phaser 3140/3155/3160 Printer Service Manual
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When horizontal lines or spots occur repetitively, it could indicate a roller defect.
Measure the interval of the print defect and check the measurement against the
roller diameters in the table. The interval does not necessarily match the
circumference of the roller.
Pressure Roller
Heat Roller OPC Drum
Roller Dimensions
Roller Circumference
OPC Drum 75.3 mm
(2.96 in)
Charge Roller 37.5 mm
(1.48 in)
Supply Roller 49 mm
(1.93 in)
Developing 35 mm
Roller (1.38 in)
Transfer Roller
Pressure Roller
Heat Roller
Print-Quality Troubleshooting
Developing Roller
Charge Roller
Transfer Roller
Abnormal
Image Part
White spots, Print
Black spots Cartridge
Ghosting, Black Print
spot and Cartridge
Periodic band
Periodic bands Print
of different Cartridge
density
White spots, Print
Black bands Cartridge
Ghosting or Transfer
poor fusing Roller
Background Fuser
Black spot and Fuser
image ghost
Supply Roller
s3160-141
Parts List
No.
PL1.0.12
PL1.0.12
PL1.0.12
PL1.0.12
PL1.0.8
PL9.0.34
PL9.0.36
5-9