Error Messages, Codes, and Procedures 3-239
Close Door C - Door C is Open
The Door C Interlock Switch on the 1000-Sheet Feeder indicates that Door C is open.
5
Check for +5 V to the switch.
Is there +5 V across P/J106-2 (+) <=>
ground?
Replace the
Switch
(
page 8-41).
Replace the
Engine Logic
Board
(
page 8-89).
Door C Open (Door C Interlock Switch) Troubleshooting Reference
Applicable Parts References
■ Door C Interlock
Switch
■ Engine Logic
Board.
■ Print Engine P/J Engine Logic Board (page 10-13)
■ PL8.1 Print Engine Electrical (page 9-40)
■ Phaser 5500 Printer Options Service Manual
■ 1000-Sheet Feeder P/J Tray 4 & 5 Feeders (page 5-5)
■ 1000-Sheet Feeder Drive Wiring (page 5-8)
■ PL20.5 Transportation (page 4-14)
Door C Open (Door C Interlock Switch) Troubleshooting Procedure
Step Actions and Questions Yes No
1
Check Door C operation.
Does Door C open and close normally?
Go to Step 2. Correct the
installation.
2
Test the Door C Interlock Switch.
Run the Service Diagnostics Door C
Interlock Switch test.
Does the sensor state change each time
the switch is pressed?
Replace the
Engine Logic
Board
(
page 8-89).
Go to Step 3.
3
Check the switch connections.
Are FS812, FS813 and P/J554
connected?
Go to Step 4. Connect FS812,
FS813 and P/
J554.
4
Check continuity between the switch and
the Tray 4-5 PWB.
Is there continuity on each wire
between FS812 <=> P/J554?
Is there continuity on each wire
between FS813 <=> P/J554?
Go to Step 5. Repair the wiring.
5
Check for +24 V to the switch.
Is there +24 V across FS813 <=>
ground?
Replace the
switch
(
page 3-28).
Go to Step 6.
Door B Open (Door B Interlock Switch) Troubleshooting Procedure (Continued)
Step Actions and Questions Yes No
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