Control Panel Indicators Do Not Light - Xerox Phaser 6121MFP Service Manual

Control Panel Indicators Do Not Light

Phaser 6121MFP Service Manual
No Control Panel or Faulty Indicator lights.
Initial Actions
• Remove system power and reboot.
• View any control panel activity.
Troubleshooting Reference Table
Applicable Parts
Image Processor Board,
PL13.0.29/30
Control Panel Board, PL2.0.5
Power Supply 1, PL13.0.17
Troubleshooting Procedure Table
Step Action and Questions
1 Is power source voltage being applied
to connector CN3 of the Power Supply?
2 Are fuses (F1 and F2) on the Power
Supply conducting?
3 Is P/J1 on the Engine Control Board
seated properly?
4 Is P/J10 on the Image Processor Board
properly connected?
General Troubleshooting
Wiring and Plug/Jack References
Board Locations (page 2-10)
Map 1 - Engine Control Board Plug/Jack
Locator (page 10-5)
Power Supply Wiring (page 10-17)
Yes
Go to step 2.
Go to step 3.
Go to step 4.
Go to step 5.
No
Check wiring
from the AC
power plug
through the
Power Switch
to CN1 (pin 1)
of the Power
Supply. If
problem
persists, go to
step 2.
Replace the
Power Supply
(page 8-72). If
the problem
persists, go to
step 3.
Reseat the
connector. If
the problem
persists, go to
step 4.
Reseat the
connector. If
the problem
persists, go to
step 5.
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