Xerox Phaser 4600 Service Manual

04/2016
3-13
Phaser 4600/4620/4622 Printer Service Manual
IQ11
3 Image Quality
Revised
IQ11 Scan Streaks
There are black lines running horizontally across the page.
WARNING
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.
WARNING
Do not touch the Fuser while it is hot.
Initial Actions
• Check that the paper supply is dry and meets specifications.
• Inspect the paper path for items, such as staples, paper clips, and paper scraps.
• Check the Drum Cartridge Drum surface for scratches.
• Check the Drum Cartridge contacts.
Figure 1 Horizontal streaks example
Procedure
Check the media. The media is clean, of the approved type, and free of defects.
YN
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.
YN
Perform GP ?? to clean the media path.
Remove the Drum Cartridge and clean the electrical contacts. Replace the Drum Catridge and
reprint the test print. The image has horizontal streaks.
YN
Perform SCP 6 Final Actions.
Install a new Drum Cartridge and reprint the test print. The image has horizontal streaks.
YN
Perform SCP 6 Final Actions.
Remove the Transfer Roller and check for surface contamination or excessive wear. The
Transfer Roller is good.
YN
Replace the Transfer Roller, REP 9.1.
Check for debris on the Laser Unit window or obstructions between the Laser Unit and Drum
Cartridge. The laser path is clear.
YN
Clear the laser path of obstructions.
Remove the Fuser. Check for damage or debris on the rollers. The Fuser rollers are good.
YN
Clean or replace as necessary;
• Heat Roller PL 10.11
• Pressure Roller PL 10.11
• Fuser PL 10.10
Check HVPS connections to the bias contacts. The connections are secure.
YN
Secure the connections.
Replace the HVPS, REP 1.4, and print a test print. The images is blank.
YN
Perform SCP 6 Final Actions.
Check connections between the IP Board and Laser Unit. The connections are secure.
YN
Secure the connections.
Replace the IP Board.
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Xerox Phaser 4600 Specifications

General

Brand	Xerox
Model	Phaser 4600
Category	Printer
Language	English