Actions Yes No
Step 4
Replace the display. See
“Operator panel removal (for CS510 models
only)” on page 259.
Is the operator panel still dim and unchanging?
Go to step 5. Problem resolved.
Step 5
Replace the UICC card. See
“Operator panel removal (for CS510 models
only)” on page 259.
Is the operator panel still dim and unchanging?
Replace the controller
board. See
“Controller
board removal” on
page 291.
Problem resolved.
Operator panel (displays all diamonds, no beeps, or five beeps) service check
Replace one of the following components, and perform a POR before replacing a second component. Never replace
both of the components without performing a POR after installing each one, or the printer will be rendered inoperable.
For CS310 models:
• Controller board
• Operator panel with UICC card
For CS410 and CS510 models:
• Controller board
• UICC card
Warning—Potential Damage: Never install and remove components listed above as a method of troubleshooting
components. Once a component has been installed in a printer, and the printer is powered on, it cannot be used in
another printer. It must be returned to the manufacturer.
For CS310 models:
5027
Diagnostic information
127