3-132 Phaser 6280 Color Laser Printer Service Manual
Error Messages and Codes
Duplex Error
The Duplex Unit has failed.
Applicable Chain Link
■ Chain Link 077-215: Duplexer Error
Initial Actions
■ Inspect the Duplex to ensure that it is free of obstructions.
■ Cycle printer power.
■ If the problem persists, follow the procedure below.
Troubleshooting Reference Table
Applicable Parts Wiring and Plug/Jack Map References
■ Front Cover Harness, PL1.2.11
■ MCU Board, PL9.1.20
■ Right Side Harness, PL10.1.15
■ Duplex Unit, PL11.1.1
■ Duplex Unit Harness, PL11.1.18
■ “Map 1 - Electrical and Drive” on
page 10-9
■ “Map 4 - LVPS and MCU Boards” on
page 10-12
■ “Map 5 - Duplex Unit” on page 10-13
■ “Duplex Wiring Diagram” on page 10-41
Troubleshooting Procedure Table
Step Actions and Questions Yes No
1 1. Check the Duplex Unit for correct
installation.
2.Is the Duplex Unit correctly
installed?
Go to step 3. Reseat the
Duplex Unit
(
page 8-99).
Go to step 2.
2 Does the error still occur? Go to step 3. Complete.
3 1. Check the wiring harness
connectors P/J27, P/J272, P/J2720,
and P/J428 between the Duplex
Board and the MCU Board.
2.Are the connectors securely
connected?
Go to step 5. Reconnect the
connectors.
Go to step 4.
4 Does the error still occur? Go to step 5. Complete.
5 Check the Duplex Unit Harness for
continuity.
1.Disconnect P/J428 from the Duplex
Board and P/J2720 Front Cover
Harness.
2.Check continuity between P/J428
<=> P/J2720.
Go to step 6. Replace the
Duplex Unit
(
page 8-99).