Phaser 7500 Printer Service Manual 5-27
Print-Quality Troubleshooting
IQ-3 White Stripes
White stripes appear in the process direction for all densities of a single color.
Cause
• Contamination on the SLA surface.
• Scratches on the LED Print Head Self Focusing Lens surface.
Initial Actions
• Check the paper transfer path.
• Ensure there are no debris on the transfer path.
Troubleshooting Reference
Applicable Parts Example Print
â– LED Print Head, PL2.1.2
â– Cleaning Rod
Troubleshooting Procedure
Step Actions and Questions Yes No
1 Clean the SLA surface.
Does the error still occur?
Check the
Cleaning Rod
to ensure it’s
working.
Replace the
LED Print Head
(REP 2.1,
page 8-18).