General Troubleshooting
4-13
Image Processor Board Isolation
This procedure is used to isolate the Image Processor Board, or one of its on-board
options as the root cause of the failure.
Image Processor Board Isolation Troubleshooting Reference
Applicable Parts
References
■
Image Processor Board
■
Options
■
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)
Image Processor Board Isolation Troubleshooting Procedure
Step
Actions and Questions
Yes
No
1
Check option installation.
NOTE:
If no on-board options are installed (Hard
Drive, etc.), go on to Step 2.
1. Switch the printer power Off.
2. Disconnect all cables connected to the Rear
Panel.
3. Remove all on-board options (Hard Drive, etc.)
from the Image Processor Board.
4. Switch the printer power On.
Does the printer boot correctly and is Ready
displayed on the Front Panel?
Go to Step 3.
Go to Step 2.
2
1. Switch the printer power Off.
2. Remove then re-install the cable between P/J590
on the Image Processor Board and P/J402 on the
Engine Logic Board.
3. Switch the printer power On.
Does the printer boot correctly and is Ready
displayed on the Front Panel?
Problem
solved.
Go to "Image
Processor
Board" on
(page 4-14).
3
Isolate the faulty on-board option.
1. Switch the printer power Off.
2. Re-install one of the removed options or cables.
3. Switch the printer power On.
Does the printer boot correctly and is Ready
displayed on the Front Panel?
Repeat the last
Step with the
next option or
cable until the
problem is
found.
Replace the
option or
cable just
installed.
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