Xerox Phaser 7400

Error Messages and Codes 3-51
Close Right Door B
The Door B Detect Sensor, located in the Tray 2 Feeder, indicates that Door B is
open.
Note
In the case of the Open and Close Door B error, the printer requires that a door be
opened and closed to reset status and resume printing. Open and close any door
to reset the status.
Initial Actions:
■ Ensure that Door B is free of obstructions and fully closed.
■ Cycle printer power.
■ If the problem persists, follow the procedure below.
Troubleshooting Reference Table
Applicable Parts Wiring and Plug/Jack References
■ Door B, PL2.1.1
■ Door B Detect Sensor, PL4.2.89
■ Feeder Board, PL4.2.97
■ Motor Driver Board, PL2.1.10
■ Print Engine Map 2 (page 10-5)
■ Print Engine Map 12 (page 10-15)
■ Print Engine Feeder Board Wiring (page 10-28)
Troubleshooting Procedure Table
Step Actions and Questions Yes No
1
Check the following for evidence of fault or
damage:
■ Door B Detect Sensor Actuator
■ Door B Detect Sensor Holder
■ Door B Detect Sensor
Is there any damage or misalignment?
Replace any
damaged parts.
Go to Step 2.
2
Test the Door B Detect Sensor.
Run the Service Diagnostics Right Door B
Test.
NOTE: Door sensor tests are located under
the Interlock Switches sub-menu.
Does the switch function correctly?
Replace the Engine
Control Board
(
page 8-112).
Go to Step 3.
3
Replace the Door B Detect Sensor.
Does the error persist?
Go to Step 4. Complete.
4
Check the TRYSNS2 connection.
Is TRYSNS2 connected to the Feeder
Board?
Go to Step 5. Reconnect the
harness.