Control Panel Service Check - Lexmark MX310 Series Service Manual

Action
Step 6
Replace the power supply.
Did this ix the problem?
Step 7
Is the control panel functioning properly?
Step 8
Perform the control panel service check. Go to
check" on page 116.
Did this solve the problem?
Step 9
Is the LED on the bottom of the board illuminating?
Step 10
Verify the controller board power outputs. See
page 341 for voltages from the controller.
Are the voltages correct?

Control panel service check

Warning—Potential Damage: Do not replace the operator panel and controller board at the same time. Each card
contains the printer settings. When either of these cards is new, it obtains some of the settings from the other card.
Settings are lost when both are new and replaced at the same time.
Action
Step 1
Check the conections on the UICC and controller board for proper
connections.
Are they properly connected?
Step 2
Properly connect the connectors.
Did this fix the problem?
Step 3
Is the display blank, but LEDs on the panel are functioning?
"Control panel service
"Controller board" on
Diagnostic information
116
Yes No
The problem is solved. Go to step 7.
Go to step 9. Go to control panel
service check. Go to
"Control panel service
check" on page 116
The problem is solved. Go to step 9.
Go to step 10. Replace the controller
board. Go to
"Controller board
removal" on page
231.
Contact your second Replace the controller
level of support. board. Go to
"Controller board
removal" on page
231.
Yes No
Go to step 3. Go to step 2.
The problem is solved. Go to step 3.
Go to step 4. Go to step 5.
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