Action Yes No
Step 6
Replace the power supply.
Did this ix the problem?
The problem is solved. Go to step 7.
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 116
Step 8
Perform the control panel service check. Go to “Control panel service
check” on page 116.
Did this solve the problem?
The problem is solved. Go to step 9.
Step 9
Is the LED on the bottom of the board illuminating?
Go to step 10. Replace the controller
board. Go to
“Controller board
removal” on page
231.
Step 10
Verify the controller board power outputs. See “Controller board” on
page 341 for voltages from the controller.
Are the voltages correct?
Contact your second
level of support.
Replace the controller
board. Go to
“Controller board
removal” on page
231.
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 conections on the UICC and controller board for proper
connections.
Are they properly connected?
Go to step 3. Go to step 2.
Step 2
Properly connect the connectors.
Did this fix the problem?
The problem is solved. Go to step 3.
Step 3
Is the display blank, but LEDs on the panel are functioning?
Go to step 4. Go to step 5.
7015
Diagnostic information
116
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