Xerox Phaser 6280, Service Manual

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3-36 Phaser 6280 Color Laser Printer Service Manual
Error Messages and Codes
3 1. Perform the Duplex Jam Sensor test
(page 4-28): Service Mode >
Engine Diag > Sensor Test >
Duplex Jam Sensor .
2. Does the Duplex Jam Sensor
operate properly?
Go to step 4. Go to step 6.
4 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 6. Go to step 19.
5 1. Perform the Duplex Motor test
(page 4-44): Service Mode >
Engine Diag > Motor Test > Duplex
Motor .
2. Does the motor operate properly?
Replace the
Duplex Unit
(page 8-99). Go to step 18.
6 1. Check the wiring harness
connectors P/J430 and P/J4301
between the Duplex Board and the
Duplex Jam Sensor.
2. Are the connectors securely
connected?
Go to step 7. Reconnect the
connectors.
7 Check the Duplex Sensor Harness for
continuity.
1. Disconnect P/J4301 from the Regi
Sensor and P/J430 from the Duplex
Board.
2. Check continuity between P/J430
<=> P/J4301.
Go to step 8. Replace the
Duplex Unit
(page 8-99).
8 Check the Duplex Jam Sensor signal.
1. Disconnect P/J430 from the Duplex
Board.
2. Is there +3.3 V across ground <=>
J430-1 pin when the Interlock
Switch is activated?
Go to step 9. Go to step 10.
9 1. Perform the Duplex Jam Sensor test
(page 4-28): Service Mode >
Engine Diag > Sensor Test >
Duplex Jam Sensor .
2. Does the sensor operate properly?
Replace the
Duplex Unit
(page 8-99). Perform steps
10 through 14.
10 1. Check the wiring harness
connectors P/J428, P/J2720, P/
J272, and P/J27 between the Duplex
Board and the MCU Board.
2. Are the connectors securely
connected?
Go to step 11. Reconnect the
connectors.
Troubleshooting Procedure Table (continued)
Step Actions and Questions Yes No