Control Panel Button Service Check - Lexmark MS510 Service Manual

Action
Step 5
Unplug the cable JPS1 from the controller board, and verify the following
voltages from the cable:
•
+5 V at pins 11, 12, 13, 14, 15, 16
•
GND at pins 18, 20
Are the voltages correct?
Step 6
Replace the power supply.
Does the error remain?
Step 7
Is the control panel functioning properly?
Step 8
Perform the control panel service check. Go to
check" on page 111.
Does the error remain?
Step 9
Is the LED on the bottom of the controller board illuminating?

Control panel button service check

Action
Step 1
Are the control panel display and control panel indicator light illuminated?
Step 2
POR into the Diagnostics menu and perform a button test:
Diagnostics Menu > HARDWARE TESTS > Button Test
Did the printer pass the test?
Step 3
Replace the UICC. Go to "UICC removals" on page
Did this fix the problem?
"Control panel service
207.
Diagnostic information
110
4514-630, -635, -636, -638, -639, -649
Yes No
Go to step 7. Go to step 6.
The problem is solved. Contact the next level
of support.
Go to step 9. Go to control panel
service check. Go to
"Control panel service
check" on page 111
Go to step 9. The problem is solved.
Go to step 6. Replace the controller
board. Go to
"Controller board
removals" on
page
Yes No
Go to step 2. Perform a control
panel service check. Go
to
service check" on
page
Go to step 4. Go to step 3.
The problem is solved. Go to step 4.
185.
"Control panel
111.