3-244 Phaser 5500 Printer Service Manual
7
Check H-X’port Interlock Harness
continuity.
1. Disconnect P/J8382 on the harness, and
P/J8372 on the H-X’port PWB.
2. Check for continuity at the following:
P/J8382-3 <=> P/J8372-1
P/J8382-2 <=> P/J8372-2
P/J8382-1 <=> P/J8372-3
Are these conductive?
Go to Step 8. Repair the H-
X’port Harness.
8
Check for +5 V to the Door F Interlock
sensor.
Is there +5 V across P/J8372-3 <=> P/
J8372-1 on the H-X’port PWB?
Go to Step 9. Replace the
Finisher Main
PWB
(
page 3-248).
9
Check the Door F Interlock Sensor signal.
Does the voltage across P/J8372-3 <=>
P/J8372-1 on the H-X’port PWB change
when the sensor is blocked?
Go to Step 10. Replace the Door
F Interlock
Sensor
(
page 3-116).
10
Replace the Door F Interlock Sensor.
Cycle the printer power.
Does the error still occur?
Go to Step 11. Problem solved.
11
Replace the Finisher Main PWB.
Cycle the printer power.
Does the error still occur?
Replace the
Engine Logic
Board
(
page 8-89).
Problem solved.
Door F Open (Door F Interlock Sensor) Troubleshooting Procedure (Continued)
Step Actions and Questions Yes No