Action Yes No
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?
Go to step 7. Go to step 6.
Step 6
Replace the power supply.
Does the error remain?
The problem is solved. Contact the next level
of support.
Step 7
Is the control panel functioning properly?
Go to step 9. Go to control panel
service check. Go to
“Control panel service
check” on page 111
Step 8
Perform the control panel service check. Go to “Control panel service
check” on page 111.
Does the error remain?
Go to step 9. The problem is solved.
Step 9
Is the LED on the bottom of the controller board illuminating?
Go to step 6. Replace the controller
board. Go to
“Controller board
removals” on
page 184.
Control panel button service check
Action Yes No
Step 1
Are the control panel display and control panel indicator light illuminated?
Go to step 2. Perform a control
panel service check. Go
to “Control panel
service check” on
page 111.
Step 2
POR into the Diagnostics menu and perform a button test:
Diagnostics Menu > HARDWARE TESTS > Button Test
Did the printer pass the test?
Go to step 4. Go to step 3.
Step 3
Replace the UICC. Go to “UICC removals” on page 205.
Did this fix the problem?
The problem is solved. Go to step 4.
4514-630, -635, -636
Diagnostic information
110
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