Error Messages, Codes, and Procedures 3-237
Close Door A - Door A is Open
The Door A Interlock Switch indicates that Door A is open.
6
Check Tray 6 Docking Switch Harness
continuity.
1. Disconnect FS003, FS004 and P/JF08.
2. Check for continuity at the following:
FS003 <=> P/JF08-1
FS004 <=> P/JF08-2
Are these conductive?
Go to Step 7. Repair the Tray 6
Docking Switch
Harness.
7
Check for +5 V to the Docking Switch.
Is there +5 V across P/JF08-2 <=> P/
JF04-2 on the Tray 6 PWB?
Go to Step 8. Replace the Tray
6 PWB
(
page 3-67).
8
Check the Docking Switch signal.
Does the voltage across P/JF08-1 <=> P/
JF04-3 on the Tray 6 PWB change when
the switch plunger is pushed?
Go to Step 9. Replace the
Docking Switch
(
page 3-66).
9
Replace the Tray 6 PWB.
Does the error still occur?
Replace the
Engine Logic
Board
(
page 8-89).
Problem solved.
Door A Open (Door A Interlock Switch) Troubleshooting Reference
Applicable Parts References
â– Door A Interlock
Switch
â– Engine Logic Board.
â– Print Engine P/J Locator Electrical (page 10-12)
â– Print Engine P/J Engine Logic Board (page 10-13)
â– Print Engine LVPS Wiring (page 10-21)
â– PL4.2 L/H Upper Assembly (page 9-24)
â– PL8.1 Print Engine Electrical (page 9-40)
Door A Open (Door A Interlock Switch) Troubleshooting Procedure
Step Actions and Questions Yes No
1
Check Door A operation.
Does Door A open and close normally?
Go to Step 2. Correct the
installation.
2
Test the Door A Interlock Switch.
Run the Service Diagnostics Door A
Interlock Switch test.
Does the sensor status change when
Door A is opened and closed?
Replace the
Engine Logic
Board
(
page 8-89).
Go to Step 3.
Tray 6 Undocked (Docking Interlock Switch) Troubleshooting Procedure (Continued)
Step Actions and Questions Yes No