3-240 Phaser 5500 Printer Service Manual
Close Door D - Door D is Open
The Door D Interlock Switch in the Duplex Unit indicates that Door D is open.
6
Check the Tray 4-5 PWB connection.
Are P/J541 and P/J413 connected?
Go to Step 7. Connect P/J541
and P/J413.
7
Check continuity between the Tray 4-5
PWB and the Engine Logic Board.
1. Disconnect P/J541 and P/J413.
2. Check for continuity at the following:
P/J541-1 <=> P/J413-A1
P/J541-2 <=> P/J413-A2
P/J541-3 <=> P/J413-A3
P/J541-4 <=> P/J413-A4
P/J541-5 <=> P/J413-A5
P/J541-6 <=> P/J413-A6
P/J541-7 <=> P/J413-B1
P/J541-8 <=> P/J413-B2
P/J541-9 <=> P/J413-B3
P/J541-10 <=> P/J413-B4
P/J541-11 <=> P/J413-B5
P/J541-12 <=> P/J413-B6
Are these conductive?
Go to Step 8. Repair the wiring.
8
Check for +24 V to the Tray 4-5 PWB.
Is there +24 V across P/J541-7 (+) <=>
ground?
Replace the Tray
4-5 PWB
(
page 3-29).
Replace the
Engine Logic
Board
(
page 8-89).
Door D Open (Door D Interlock Switch) Troubleshooting Reference
Applicable Parts References
â– Door D Interlock
SW
â– Duplex PWB
â– Engine Logic
Board.
â– Print Engine P/J Engine Logic Board (page 10-13)
â– PL8.1 Print Engine Electrical (page 9-40)
â– Phaser 5500 Printer Options Service Manual
â– Duplex Unit P/J Locator (page 5-12)
â– Duplex Unit Wiring (page 5-13)
â– PL23.1 Transportation (page 4-34)
Door D Open (Door D Interlock Switch) Troubleshooting Procedure
Step Actions and Questions Yes No
1
Check Door D operation.
Does Door D open and close normally?
Go to Step 2. Correct the
installation.
Door C Open (Door C Interlock Switch) Troubleshooting Procedure (Continued)
Step Actions and Questions Yes No