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
removal” on page
162.
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 Yes No
Step 1
Check the UICC cable for proper connection to the UICC and to the
controller board.
Is it properly connected?
Go to step 2. Reseat the cable.
Step 2
Replace the UICC. Go to “UICC removal” on page 176.
Did this fix the problem?
The problem is solved. Replace the controller
board. Go to
“Controller board
removal” on page
162.
4514-220, -230
Diagnostic information
111
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