General Troubleshooting
+24 VDC Interlock Switch
4-72
Troubleshooting Reference Table
Applicable Parts
Interlock Harness, PL9.1.3
■
LVPS, PL9.1.4
■
Top LV Harness, PL10.1.16
■
Troubleshooting Procedure Table
Step
Actions and Questions
Check the Interlock Harness for continuity.
1
1. Disconnect P/J44.
2. Check continuity between P/J44-1 <=> P/
J44-3.
3. Is there voltage present when the
Interlock is activated?
2
1. Disconnect connectors P/J501 and P/
J14.
2. Check continuity between P/J44-1 <=> P/
J44-3.
3. Is there +5 V present?
Wiring and Plug/Jack Map References
"Map 4 - LVPS and MCU Board" on
■
page 10-13
"DC Power Supply" on page 10-30
■
Yes
Go to step 2.
Go to "LVPS"
on page 4-70.
Phaser 6180 Color Laser Printer Service Manual
No
Replace the
Interlock
Harness
(page 8-80).
Replace the
Top LV
Harness.