Duplex Unit Flash Memory Failure - Xerox Paser 7400 Service Manual

Duplex Unit Flash Memory Failure

Applicable Status Code:
Code 246:
Hardware failure with Duplex Unit Flash Memory.
Initial Actions:
Cycle the printer's power.
If the problem persists follow the procedure below.
Troubleshooting Reference Table
Applicable Parts
Duplex Unit
Motor Driver Board
Troubleshooting Procedure Table
Step Actions and Questions
1 Check the Duplex Unit connector for
damage.
Is the connector damaged?
2 Check all pins on the DUPLEX Harness for
continuity.
Disconnect the DUPLEX Harness.
Is the DUPLEX Harness conductive?
3 Check all pins of the DRV1 harness for
continuity.
Disconnect the DRV1 ribbon cable.
Is the cable conductive?
3-76
Wiring and Plug/Jack References
Print Engine Map 5 (see Book 1)
Print Engine Motor Driver Board (5/6) (see Book 1)
Options Map 4 Duplex Unit Controller Board
Phaser 7400 Color Printer Options Service Manual
Yes
Replace the
connector.
Replace the Motor
Driver Board (see
Book 1). If the error
persists, go to Step
3.
Replace the Engine
Control Board (see
Book 1).
No
Replace the
Duplex Unit
(page 5-122). If the
error persists, go
to Step 2.
Replace the
DUPLEX Harness.
Replace the DRV1
Harness.