Phaser 7500 Printer Service Manual
5-25
Print-Quality Troubleshooting
IQ-1 1mm Stripes
At 50% and 30% densities, the lines in the process direction of a single color have
reversed black & white. The width is approximately 1mm.
Cause
•
Parts failure or contamination on the SLA surface.
Initial Actions
•
Check the paper transfer path.
•
Ensure there are no debris on the transfer path.
Troubleshooting Reference
Applicable Parts
Example Print
■
LED Print Head, PL2.1.2
Troubleshooting Procedure
Step
Actions and Questions
Yes
No
Note
:
This must be separated from Deve trimmer jam. Do not replace the LED
Print Head without examining the Developer.
1
Clean the SLA surface.
Does the error still occur?
Replace the
LED Print Head
(REP 2.1,
).
Troubleshooting
complete.
Notes
:
■
50% and 30% half tones can be printed by using Step Prints in
Troubleshooting menu.
■
Because the phenomenon is similar to IQ-26, refer to IQ-26 (
) as
well.
1mm Stripes
Summary of Contents for PHASER 7500
Page 1: ...Phaser 7500 Color Printer Phaser 7500 Service Manual Xerox Internal Use Only ...
Page 2: ......
Page 60: ...1 30 Phaser 7500 Printer Service Manual General Information ...
Page 448: ...3 310 Phaser 7500 Printer Service Manual Error Messages and Codes ...
Page 484: ...4 36 Phaser 7500 Printer Service Manual General Troubleshooting ...
Page 544: ...5 60 Phaser 7500 Printer Service Manual Print Quality Troubleshooting ...
Page 545: ...6 Chapter Adjustments and Calibrations In this chapter Adjustments Calibrations ...
Page 554: ...6 10 Phaser 7500 Printer Service Manual Adjustments and Calibrations ...
Page 562: ...7 8 Phaser 7500 Printer Service Manual Cleaning and Maintenance ...
Page 900: ...9 118 Phaser 7500 Printer Service Manual Parts List ...
Page 958: ...10 58 Phaser 7500 Printer Service Manual Plug Jack and Wiring Diagrams ...
Page 980: ...11 22 Phaser 7500 Printer Service Manual Reference ...
Page 990: ...I 10 Phaser 7500 Printer Service Manual Index ...
Page 991: ......