Iq13 Repeating Defects - Xerox Phaser 4600 Service Manual

IQ13 Repeating Defects

Recurring marks, spots, lines, or voids.
Switch off the electricity to the machine. Disconnect the power cord from the customer
supply while performing tasks that do not need electricity. Electricity can cause death or
injury. Moving parts can cause injury.
Do not touch the Fuser while it is hot.
Initial Actions
• Check that the paper is clean, dry, and meets specifications.
• Inspect the paper path for items, such as staples, paper clips, and paper scraps.
• Check CRU life counts. Replace components at end of life.
Figure 1 Repeating defects example
Procedure
Check the media. The media is clean, of the approved type, and free of defects.
Y N
Replace the media with approved media from a freshly opened package.
Check the media path for dirt, debris, or toner residue. The media path is clean.
Y N
Clean the media path.
Print a test print and compare the defect to the values listed in
component.
Revised
Phaser 4600/4620/4622 Printer Service Manual
WARNING
WARNING
Table 1. Replace the defective
Xerographic Component Dimensions
The following table lists measurements of critical printer components. Refer to these measure-
ments when diagnosing a repeating print-quality problem.
Table 1 Xerographic Component Specifications
Component
OPC Drum (Drum Cartridge)
Registration Roller
Feed Roller
Nudger, Pick, Seperator Rollers
Tray 1 Pick Roller
Fuser Heat Roller
Duplex Roller
Cleaning Roller (Drum Cartridge)
Transfer Roller
04/2016
3-15
Circumference
94.4 mm (3.7 inches)
59.1 mm ( inches)
47.1 mm (1.85 inches)
72.3 mm ( inches)
47.1 mm (1.85 inches)
155 mm (inches)
35.5 mm (1.4 inches)
40.8 mm
57.8 mm
3 Image Quality
IQ13