No Power - Xerox Phaser 3250 Service Manual

No Power

Phaser 3250 Laser Printer Service Manual
When the printer is turned On, the LED's on the Control Panel do not come
On.
Initial Actions
Cycle printer power.
If problem persists, refer to the following procedure.
Troubleshooting Reference Table
Applicable Parts
Main Controller Board, PL1.1.2
LVPS, PL1.1.4
Power Cord, PL1.1.19
LED Board, PL6.1.44
Troubleshooting Procedure Table
Step Actions and Questions
Check the LVPS Board signal.
1
1. Is there +24 V across:
CN3-16, CN3-13, CN3-11, CN3-9, and
CN3-7 pins
2. Is there +5 V across:
CN3-5, CN3-3, and CN3-1 pins
2 Does the error still occur?
Is the Control Panel LED On?
3
Does the error still occur?
4
5 1. Check the power fuse on the LVPS.
2. Is the power fuse defective?
6 1. Check the Main Control Board for correct
installation. Reseat the Main Control
Board (page 8-62).
2. Does the error still occur?
General Troubleshooting
Wiring and Plug/Jack Map References
"Map 1 - Main Controller Board" on
page 10-6
"Map 7 - LVPS, HVPS, Fuser, Developer
Unit CRUM, and Power Switch" on
page 10-15
Yes
Replace the
Power Cord.
Go to step 2.
Go to step 3.
Go to step 5.
Go to step 5.
Replace the
LVPS
(page 8-69).
Go to step 7.
No
Go to step 3.
Complete.
Replace the
LED Board
(page 8-75).
Go to step 4.
Complete.
Go to step 6.
Complete.
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