5/2011
3-16
Phaser 4600/4620 Printer Service Manual
IQ14
Revision - Xerox Internal Use Only
Image Quality
IQ14 Residual Image
The image from a previous print appears on the current print.
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 media type settings are correct.
•
Inspect the paper path for items, such as staples, paper clips, and paper scraps.
•
Check the installation of the Drum Cartridge.
•
Check that the Drum Cartridge ground contact points are clean.
•
Verify the paper is within the specifications on the Paper Tips Page.
Figure 1 Residual image (ghosting) example
Procedure
Print 10 test prints. A residual image appears on all copies.
Y
N
Print an additional 10 prints to clean residual toner from the rollers.
Measure the defect frequency on the prints. No defect pattern is visible.
Y
N
Refer to
IQ13
Repeating Defects to determine the deffective component.
Remove the Drum Cartridge and clean the electrical contacts. Replace the Drum Cartridge and
reprint the test print. The residual image defect is still visible.
Y
N
Perform SCP 6 Final Actions.
Install a new Drum Cartridge and reprint the test print. The residual image defect is still visi-
ble.
Y
N
Perform SCP 6 Final Actions.
Remove the Transfer Roller and check for surface contamination or excessive wear. The
Transfer Roller is good.
Y
N
Replace the Transfer Roller,
REP 9.1
.
Remove the Fuser. Check for damage or debris on the rollers. The Fuser rollers are good.
Y
N
Clean or replace as necessary;
•
Heat Roller
PL 10.11
•
Pressure Roller
PL 10.11
•
Fuser
PL 10.10
Remove the Transfer Roller and check for surface contamination or excessive wear. The
Transfer Roller is good.
Y
N
Replace the Transfer Roller,
REP 9.1
.
Replace the following, in order, until the defective component is found.
•
Drum Cartridge
•
Transfer Roller,
REP 9.1
•
Fuser,
REP 10.10
•
HVPS,
REP 1.4
A
A
Содержание Phaser 4600
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Страница 378: ...5 2011 8 2 Phaser 4600 4620 Printer Service Manual Revision Xerox Internal Use Only Principles of Operation ...