Phaser 6500/WorkCentre 6505 Service Manual Xerox Internal Use Only 4-67
General Troubleshooting
Inoperable Printer Troubleshooting
No response from printer when the main power is switched on.
AC Power Troubleshooting
Initial Actions
•Check the Power Cord.
• Reseat the Front Cover.
If the error persists, eliminate the possibility that an installed option is the cause of
the problem by following these steps.
1. Power printer Off.
2. Remove all installed options (Optional Feeder, Duplex Unit, and Memory)
3. Power the printer On. If printer powers up normally, plug in the options one at
a time until the defective option is isolated. If the printer remains inoperative,
use the following procedure to locate the problem.
2 Check the Control Panel input voltages:
On the Image Processor Board measure
the voltages at the following test points.
■ J29-1<=> ground = +3.3V
■ J29-4 <=> ground = +5 V
Are the voltages within specification?
Go to step 3. Replace the
IP Board
(page 8-120)
.
3 Check Control Panel Harness A and B
harness for continuity. Disconnect:
■ J29 from the IP Board
■ P/J220 from the Control Panel
Are the harnesses damaged?
Check the
individual
harnesses
and repair
the affected
harness.
Go to step 4.
4 Replace the Control Panel (page 8-126).
Does the error persist?
Replace the
IP Board
(page 8-120)
.
Complete.
Troubleshooting Reference Table
Applicable Parts Wiring and Plug/Jack References
■ LVPS, PL8.2.1
■ Power Switch Harness, PL8.2.9
■ Power Cord
■ “SFP LVPS” on page 10-26
■
■ “SFP System Control” on page 10-34
Troubleshooting Procedure Table
Step Actions and Questions Yes No
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