Xerox 8500DN Service Manual - Page 216
Drum Thermal, Check, Questions and Actions
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Print-Quality Troubleshooting Color is Uneven or Wrong Troubleshooting Procedure (Continued) Step Questions and Actions Yes 3 Check thermal regulation of the Drum. Go to Step 4. Run the Service Diagnostics Drum Thermal Check test, see "Temperature Status" on page 4-47. Are the Drum thermal values out of the appropriate range? 4 Check the Drum Fan for correct installation Go to Step 5. and operation. 5 Check that the Drum Temperature Sensor is Complete. in contact with the Drum. Clean or replace the Drum Temperature Sensor. Did this correct the problem? No Go to Step 5. Replace the Drum Fan. Replace in the following order: ■ Drum Heater Relay Board ■ Drum Assembly ■ Electronics Module 5-10 Phaser 8400/8500/8550/8560 Color Printer Service Manual
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