Xerox Phaser 7400

3-184 Phaser 7400 Color Printer Service Manual
Finisher Away From Base
The Finisher Switch indicates that the Finisher is detached from the Inverter.
Initial Actions:
■ Cycle the printer's power.
■ If the problem persists follow the procedure below.
Troubleshooting Reference Table
Applicable Parts Wiring and Plug/Jack References
■ Joint Switch
■ Finisher Control Board
■ Options Map 7 Finisher Sensor Locator
■ Options Finisher Controller to Switches
Troubleshooting Procedure Table
Step Actions and Questions Yes No
1
Check the following for evidence of fault,
damage, obstruction, or debris:
■ Joint Switch and actuator
■ Finisher Base
Are there any defects or misalignment?
Replace any
damaged parts.
Go to Step 2.
2
Test the Joint Switch
NOTE: Door sensor tests are located under
the Covers, Doors, and Interlocks
sub-menu.
Run the Service Diagnostics Joint Switch
test.
Does the switch function correctly?
Replace the Engine
Control Board
(
page 8-112).
Go to Step 3.
3
Check the switch signal.
Disconnect CN8 from the Finisher Control
Board.
Is there +24 V at CN8-5 when the switch is
activated?
Replace the
Finisher Control
Board.
Go to Step 4.
4
Check the switch signal.
Disconnect CN8 from the Finisher Control
Board.
Is there +24 V at CN8-6 when the switch is
activated?
Replace the Joint
Switch. If the error
persists, replace the
wiring.
Replace the
Finisher Control
Board.