5/2011
3-5
Phaser 4600/4620 Printer Service Manual
IQ2, IQ3
Image Quality
Revision - Xerox Internal Use Only
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
.
Check for debris on the Laser Unit window or obstructions between the Laser Unit and Drum
Cartridge. The laser path is clear.
Y
N
Clear the laser path of obstructions.
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 Item 12
•
Pressure Roller
PL 10.11 Item 3
•
Fuser
PL 10.10 Item 1
Check connections between the IP Board and Laser Unit. The connections are secure.
Y
N
Secure the connections.
Replace the IP Board.
IQ3 Unfused Image
The printed image is not fully fused to the paper. The image rubs off easily. A cold environment
affects the warm-up time, while high humidity has an adverse effect on fusing. Also, media
weight and composition affect fusing performance.
Initial Actions
•
Check the printing environment. A location that’s too cold or humid reduces fusing perfor-
mance.
•
Inspect the media path for debris, such as staples, paper clips, and paper scraps.
•
Verify that the media type is set correctly.
Procedure
WARNING
Do not touch the Fuser while it is hot.
Rub the image with a soft cloth or tissue. The image smears when rubbed.
Y
N
Perform SCP 6 Final Actions.
Replace the media with new, dry media from an unopened ream. Print a test print. The image
smears when rubbed.
Y
N
Perform SCP 6 Final Actions.
Check the Fuser thumbscrews. The Fuser thumbscrews are tight.
Y
N
Tighten the Fuser, cycle system power and reprint the test print.
Remove and inspect the Fuser (
REP 10.10
). The Fuser Heat and Pressure Rollers are good.
Y
N
Replace the Fuser or worn components:
•
Fuser
PL 10.10 Item 1
•
Heat Lamp
PL 10.11 Item 17
•
Heat Roller and bearings
PL 10.11 Item 12
•
Pressure Roller
PL 10.11 Item 3
•
Thermistor
PL 10.15 Item 3
•
Thermostat
PL 10.15 Item 4
Check the Fuser electrical connection. The connector is good.
Y
N
Repair or replace the harness.
Check connections to the Fuser Drive Board. Connections to the Fuser Drive board are
secure.
Y
N
Secure the connections between the Fuser Drive Board.
Replace the Fuser Drive Board
REP 1.3
.
A
