Xerox PHASER 7500 - IQ-9 Contamination Stripes

Phaser 7500 Printer Service Manual 5-35
Print-Quality Troubleshooting
IQ-9 Contamination Stripes
There are blank areas. Their size is proportional to the size of contaminants.
Cause
• Contamination exists on the Chip (inside the LED Print Head).
Initial Actions
• Check the paper transfer path.
• Ensure there are no debris on the transfer path.
Note
Be careful because this phenomenon is very similar to that of the Deve
trimmer jam.
Troubleshooting Reference
Applicable Parts Example Print
■ LED Print Head, PL2.1.2
Troubleshooting Procedure
Step Actions and Questions Yes No
1 Clean the SLA surface.
Does the error still occur?
Replace the
LED Print Head
(REP 2.1,
page 8-18).
Troubleshooting
complete.
Contamination Stripes