Phaser 6500/WorkCentre 6505 Service Manual Xerox Internal Use Only 4-71
General Troubleshooting
Image Processor Board
This procedure is used to isolate the Image Processor Board, or one of its on board
options as the root cause of the failure.
Initial Actions
• Remove all installed options (Optional Feeder, Duplex Unit, and Memory)
•Cycle printer power.
• If the problem persists, follow the procedure below.
Troubleshooting Reference Table
Applicable Parts Wiring and Plug/Jack References
■ Image Processor Board - SFP,
PL8.1.7; MFP PL8.3.4
■ IP Power Harness, PL9.1.10
■ Options
■ “Map 3 - SFP IP Board, LVPS, and Drive”
on page 10-8
■ “SFP System Control” on page 10-34
Troubleshooting Procedure Table
Step Actions and Questions Yes No
1 Print the Engine Test Print (page 4-47).
Does the engine generate a test print?
Go to step 2. Replace the
MCU Board.
(page 8-138)
2 Check option installation.
NOTE If no optional memory is installed,
go to step 3.
1. Switch the printer power Off.
2. Disconnect all cables (ethernet, phone,
etc.) connected to the printer.
3. Remove optional memory from the
Image Processor Board (if installed)
4. Switch the printer power On.
Does the printer boot and Ready appear
on the display?
Replace the
Memory
Card.
Go to Step 3.
3 Reseat all connections to the IP Board
and restart the printer.
Does the error persist?
Go to step 4. Complete.
4 Check for +5 V and +3.3 V at P/J401.
■ J401-1 <=> J401-2 = +5 V
■ J401-3 <=> J401-4 = +3.3 V
Are the voltages present?
Replace the
IP Board.
(page 8-120)
Go to step 5.
5 Check continuity of the IP Power Harness.
Disconnect P/J401 from the IP Board and
P/J40 from the LVPS.
Is the harness damaged?
Repair the
harness.
Replace the
LVPS.
(page 8-124)
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