Image Processor Board - Fuji Xerox Phaser 5500 Service Manual

Image Processor Board

Image Processor Board Troubleshooting Reference
Applicable Parts
Image Processor Board
LVPS
Image Processor Board Troubleshooting Procedure
Step Actions and Questions
1 Check the DC power suppled from the
LVPS.
1. Disconnect P/J120 on the Image
Processor Board.
2. Measure voltages across these points:
P120-1 <=> ground 3.3 V
P120-4 <=> ground 5 V
P120-6 <=> ground 3.3 V
P120-12 <=> ground 3.3 V
Are the voltages correct?
4-14
References
Image Processor Board P/J Locator (page 10-14)
Image Processor Board (1/2) Wiring (page 10-32)
PL8.1 Print Engine Electrical (page 9-40)
Yes
Replace the
I/P Board
(page 8-91).
Phaser 5500 Printer Service Manual
No
Go to Print Engine
LVPS (page 4-5) and
verify LVPS operation.
If the LVPS is operating
correctly. Repair the
wiring connecting the
LVPS and I/P Board.