Xerox PHASER 7500 - IQ-7 Image Shift in Process

5-32 Phaser 7500 Printer Service Manual
Print-Quality Troubleshooting
IQ-7 Image Shift in Process
The image lands on the blank area and gets dragged in the process.
Cause
• Poor connection of Flat Cable between the MCU and the LED Print Head.
Initial Actions
• Check the paper transfer path.
• Ensure there are no debris on the transfer path.
Note
This problem does not occur in the Engine Test Prints from Diagnostics.
Therefore, do not replace the LED Print Head without consideration.
Troubleshooting Reference
Applicable Parts Example Print
■ LED Print Head, PL2.1.2
■ MCU PWB, PL18.3.6
Troubleshooting Procedure
Step Actions and Questions Yes No
1 Verify that the problem does not
occur on the Engine Test Prints
from Diagnostics.
Does the error still occur?
Replace the
LED Print Head
(REP 2.1,
page 8-18).
Go to step 2.
Check the
connection
between the
MCU PWB and
the LED Print
Head.
Reconnect the
wiring harness
connectors.
Go to step 2.
Image Shift FS Direction