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Phaser 8400/8500/8550/8560 Color Printer Service Manual 5-27
Print-Quality Troubleshooting
4 Check and clean the Drum Maintenance Kit
wiper blade. Replace the kit if necessary.
Did this correct the problem?
Complete. Go to Step 5.
5 1. Test the Drum Temperature Sensor with
Service Diagnostics.
2. Check that the Drum Termperature
Sensor is clean and properly positioned.
Did this correct the problem?
Complete. Go to Step 6.
6 Is the incomplete image on the left and right
sides, but fine through the center?
This indicates incomplete transfix cam
rotation. Check for a damaged Transfix
Camshaft or a malfunction of the Process
Drive, replace any defective parts.
Did this correct the problem?
Complete. Go to Step 7.
7 Test the Preheater temperature.
Does the Preheater operate within the
normal operating range? Replace the
Preheater if necessary.
Did this correct the problem?
Complete. Replace the
Transfix Load
Assembly and
TransfixLoad
Arms.
Incomplete Image Transfer Troubleshooting Procedure (Continued)
Step Questions and Actions
Yes No