Phaser 6280 Color Laser Printer Service Manual 3-49
Error Messages and Codes
11 Check the Duplex Board signal.
1.Disconnect P/J27 from the MCU
Board.
2.Is there +3.3 V across ground <=>
J27-15 pin?
Go to step 12. Replace the
MCU Board
(
page 8-86).
12 1.Replace the Duplex Unit
(page 8-99).
2.Does the error still occur?
Go to step 13. Complete.
13 1.Perform the Duplex Clutch test
(page 4-57): Service Mode >
Engine Diag > Motor Test > Duplex
Clutch.
2.Does the Clutch operate properly?
Go to step 14. Perform steps
7-12.
14 1.Perform the Duplex Motor test
(page 4-44): Service Mode >
Engine Diag > Motor Test > Duplex
Motor.
2.Does the Motor operate properly?
Go to step 15. Perform steps
7-12.
15 1.Perform the Tray 1 (MPT) Turn
Clutch test (page 4-52): Service
Mode > Engine Diag > Motor Test >
Tray 1 (MPT) Turn Clutch.
2.Does the Clutch operate properly?
Go to step 19. Go to step 16.
16 1.Check the wiring harness
connectors P/J23 and P/J232
between the Tray 2 Turn Clutch and
the MCU Board.
2.Are the connectors securely
connected?
Go to step 17. Reconnect the
connectors.
17 Check the Right Side Harness for
continuity.
1.Disconnect P/J23 from the MCU
Board and P/J232 from the Turn
Clutch.
2.Check continuity between P/J23 <=>
P/J232.
Go to step 18. Replace the
Right Side
Harness.
18 Check the Tray 2 Turn Clutch signal.
1.Disconnect P/J23 from the MCU
Board.
2.Is there +24 V across ground <=>
J23-3 pin when the Interlock Switch
is activated?
Replace the Turn
Clutch
(
page 8-42).
Replace the
MCU Board
(
page 8-86).
19 1.Perform the Tray 2 Motor test
(page 4-43): Service Mode >
Engine Diag > Motor Test > Tray 2
Motor.
2.Does the Motor operate properly?
Replace the
MCU Board
(
page 8-86).
Go to step 20.
Troubleshooting Procedure Table (continued)
Step Actions and Questions Yes No
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