Control Panel And Led Troubleshooting; Control Panel Is Functional, But The Printer Does Not Come To A "Ready" State; Control Panel Led Is On, Control Panel Display Is Blank - Xerox Phaser 7100 Service Manual

Control Panel and LED Troubleshooting

Follow the steps below in order depending on the symptom. Test the printer after each step to see if
the problem has been resolved.
Control Panel is functional, but the printer does not come to a "Ready"
state
1. Disconnect the printer from the network or USB.
2. Power Off the printer.
3. Remove and reseat the Image Processor PWB
page 4-228).
4. Feel the Fuser Unit to see if it is warm, if not, try replacing the Fuser Unit
page 4-183).
5. Refer to +24VDC Power Troubleshooting

Control Panel LED is On, Control Panel Display is Blank

Will the printer print a job that is sent to it? If yes, start at step #2.
1. Remove and reseat the Image Processor PWB
page 4-228).
2. Check to see if the wiring harness has been disconnected from the Control Panel. If the connection
is OK, replace the Control Panel
3. Replace the Image Processor Board
4. Refer to +24VDC Power Troubleshooting
5. A LVPS Fan failure can also cause the printer to not enable +24VDC. This can appear to be a failure
of the LVPS PWB. Verify that the Fan turns on when the printer is turned On.
Xerox Internal Use Only
(REP 12.17 Image Processor (I/P) PWB
on page 2-455.
(REP 12.17 Image Processor (I/P) PWB
(REP 1.12 Control Panel Assembly
(REP 12.17 Image Processor (I/P) PWB
on page 2-455.
Error Troubleshooting
on
(REP 10.1 Fuser Unit
on
on page 4-29).
on page 4-228).
Phaser 7100 Service Manual 2-411
on