Xerox 3300MFP - Phaser B/W Laser, Servce Manual

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Phaser 3300MFP Service Manual 5-9
Print-Quality Troubleshooting
Repeating Defect Measurement
When horizontal lines and/or spots occurs periodically, it is possibly caused by
a defect on a particular roller. Measure the interval of the defect on the test
print and check the relation to the roller in the table. The interval does not
necessarily match the circumference of the roller.
If abnormal image prints periodically, check the parts shown below.
No Roller
Abnormal
image
period Kind of
abnormal
image
Part to
replace
Parts List
1 OPC Drum 75.5 mm White spot,
Black spot Print Cartridge
2 Charge Roller 37.7 mm Black spot Print Cartridge
3 Supply Roller 53.2 mm Horizontal
density band Print Cartridge
4 Developing
Roller 39.2 mm Horizontal
density band Print Cartridge
5 Transfer Roller 47.1 mm Black side
contamination
/transfer fault Transfer Roller
6 Heat Roller 88.9 mm Black spot and
fuser ghost Fuser
7 Pressure Roller 101.3 mm Black side
contamination Fuser
1
2
3
4
5
6
7
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