3-142 Phaser 6280 Color Laser Printer Service Manual
Error Messages and Codes
20 Check the Right Side Harness for
continuity.
1.Disconnect P/J27 from the MCU
Board and P/J272 from the Front
Cover Harness.
2.Check continuity between P/J27 <=>
P/J272.
Go to step 21. Replace the
Right Side
Harness.
21 Check the ADC Sensor signal.
1.Disconnect P/J27 from the MCU
Board.
2.Is there +5 V across ground <=>
J27-7 pin?
Replace the
Transfer Unit
(
page 8-8).
Replace the
MCU Board
(
page 8-86).
Troubleshooting Procedure Table (continued)
Step Actions and Questions Yes No
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