3-238 Phaser 5500 Printer Service Manual
Close Door B - Door B is Open
The Door B Interlock Switch indicates that Door B is open.
3
Check the switch connections.
Are P/J120 and P/J405 connected?
Go to Step 4. Connect P/J120
and P/J405.
4
Check continuity between the switch and
the Engine Logic Board.
Is there continuity on each wire
between P/J120 <=> P/J405?
Go to Step 5. Repair the wiring.
5
Check for +24 V to the switch.
Is there +24 V across P/J120-B1 (+) <=>
ground?
Replace the Door
A Interlock Switch
(
page 8-45).
Replace the
Engine Logic
Board
(
page 8-89).
Door B Open (Door B Interlock Switch) Troubleshooting Reference
Applicable Parts References
■ Door B Interlock
Switch
■ Engine Logic
Board.
■ Print Engine P/J Tray 2 & 3 Feeder (page 10-11)
■ Print Engine P/J Engine Logic Board (page 10-13)
■ Print Engine Registration Transport Wiring (page 10-23)
■ PL4.1 L/H Upper Assembly (page 9-22)
■ PL8.1 Print Engine Electrical (page 9-40)
Door B Open (Door B Interlock Switch) Troubleshooting Procedure
Step Actions and Questions Yes No
1
Check Door B operation.
Does Door B open and close normally?
Go to Step 2. Correct the
installation.
2
Test the Door B Interlock Switch.
Run the Service Diagnostics Door B
Interlock Switch test.
Does the sensor status change when
Door B is opened and closed?
Replace the
Engine Logic
Board
(
page 8-89).
Go to Step 3.
3
Check the switch connections.
Are P/J106 and P/J410 connected?
Go to Step 4. Connect P/J106
and P/J410.
4
Check continuity between the switch and
the Engine Logic Board.
Is there continuity on each wire
between P/J106 <=> P/J410?
Go to Step 5. Repair the wiring.
Door A Open (Door A Interlock Switch) Troubleshooting Procedure (Continued)
Step Actions and Questions Yes No
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