3-16 Phaser 6280 Color Laser Printer Service Manual
Error Messages and Codes
12 1.Check the wiring harness
connectors P/J422 and P/J4222
between the Tray 3 Feeder Board
and the Tray 3 Feeder Drive.
2.Are the connectors securely
connected?
Go to step 13. Reconnect the
connectors.
13 Check the C2 Motor Harness for
continuity.
1.Disconnect P/J422 from the Feeder
Board and P/J4222 Feeder
Assembly.
2.Check continuity between
connectors P/J422 <=> P/J4222.
Go to step 14. Replace the
Optional Sheet
Feeder
(
page 8-100).
14 Check the Tray 3 Feeder Drive signal.
1.Disconnect P/J4222 from the
Optional Feeder Board.
2.Is there +24 V across ground <=>
J422-6 pin?
Replace the
Optional 550-
Sheet Feeder
(
page 8-100).
Go to step 15.
15 1.Check the wiring harness
connectors P/J419, P/J281, and P/
J28 between the Tray 3 Feeder
Board and the MCU Board.
2.Are the connectors securely
connected?
Go to step 16. Reconnect the
connectors.
16 Check the Tray 3 Feeder Harness for
continuity.
1.Disconnect P/J419 from the Feeder
Board and P/J281 from the Right
Side Harness.
2.Check continuity between P/J419
<=> P/J281.
Go to step 17. Replace the
Optional 550-
Sheet Feeder
(
page 8-100).
17 Check the Right Side Harness for
continuity.
1.Disconnect P/J281 from the Right
Side Harness and P/J28 from the
MCU Board.
2.Check continuity between P/J281
<=> P/J28.
Go to step 18. Replace the
Right Side
Harness.
18 Check the Tray 3 Feeder Board signal.
1.Disconnect P/J28 on the MCU
Board.
2.Is there +24 V across ground <=> J/
28-B4/J28-B5 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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