Xerox Phaser 4600

04/2016
3-9
Phaser 4600/4620/4622 Printer Service Manual
IQ7
3 Image Quality
Revised
IQ7 Spots
There are spots of toner randomly scattered on the page.
WARNING
Do not touch the Fuser while it is hot.
Initial Actions
• Check that the paper is clean, dry, and meets specifications.
• If using recycled paper, it may have spots.
• Inspect the paper path for items, such as staples, paper clips, and paper scraps.
• Check if the defects repeat at regular intervals. If so, see IQ18.
• Check Drum surface for spots or contamination.
• Check the Fuser for wear or contamination.
• Check that the Drum Cartridge contacts are clean.
Figure 1 Spots example
Procedure
Check the media. The media is clean, of the approved type, and free of defects.
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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.
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Clean the media path.
Replace the Drum Catridge and reprint the test print. The image contains spots.
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Perform SCP 6 Final Actions.
Remove the Transfer Roller and check for surface contamination or excessive wear. The
Transfer Roller is good.
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Replace the Transfer Roller, REP 9.1.
Remove the Fuser. Check for damage or debris on the rollers. The Fuser rollers are good.
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Clean or replace as necessary;
• Heat Roller PL 10.11 Item 12
• Pressure Roller PL 10.11 Item 3
• Fuser PL 10.10 Item 1
Check connections between the IP Board and Laseer Unit. The connections are secure.
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Secure the connections.
Replace the IP Board, REP 3.6.