3-128 Phaser 6280 Color Laser Printer Service Manual
Error Messages and Codes
13 Check the Right Side Harness for
continuity.
1.Disconnect P/J281 from the Feeder
Harness and P/J28 from the MCU
Board.
2.Check continuity between P/J281
<=> P/J28.
Go to step 14. Replace the
Right Side
Harness.
14 Check the Tray 3 Feeder Board signal.
1.Disconnect P/J28 from the MCU
Board.
2.Are there +24 V across ground <=>
J28-4/J28-5 pin when the Interlock
Switch is activated?
Replace the
Optional 550-
Sheet Feeder
(
page 8-100).
Replace the
MCU Board
(
page 8-86).
Troubleshooting Procedure Table (continued)
Step Actions and Questions Yes No
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