5-22 Phaser 8400/8500/8550/8560 Color Printer Service Manual
Print-Quality Troubleshooting
Poor Small Text Resolution
Small characters appear heavy and “plug up.”
Initial Actions
■ Check the media used is supported by this printer.
■ Check that the paper path is clean and clear of debris.
Troubleshooting Reference
Applicable Parts Example Print
■ Drum Temperature Sensor
■ X-Axis Motor
Poor Small Text Resolution Troubleshooting Procedure
Step Questions and Actions
Yes No
1 Try using a higher quality print mode.
Did this correct the problem?
Complete. Go to Step 2.
2 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 3.
3 Check that the X-Axis drive system is
correctly assembled and lubricated, see
“X-
Axis Motor (PL4.0.12)” on page 8-44 for
more information.
Did this correct the problem?
Complete. Replace the
X-Axis Motor.
s8500-038
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