Control Panel Board Removal (Mx71X) - Lexmark MX81 Series Service Manual

Control panel board removal (MX71x)

Warning—Potential Damage: When replacing the control panel, control panel board, or controller board, replace
only one component at a time. Replace the required component and perform a POR before replacing a second
component. If this procedure is not followed, the printer will be rendered inoperable. Never replace both the control
panel and the controller board without a POR after installing each one or the printer will be rendered inoperable.
Never install or remove these components as a method of troubleshooting while operating in normal user mode.
See "Controller board/control panel replacement" on page
Warning—Potential Damage: When a component has been installed in a machine and has been powered up in
normal user mode, it cannot be used in another machine; it must be returned to the manufacturer. The machine
must be powered up in Diagnostic mode or the controller board, control panel boards, or control panel will become
locked.
1
Remove the control panel front cover. See
2
Remove the control panel right bezel. See
3
Remove the four screws (A) securing the control panel board to the bezel.
268.
"Control panel front cover removal" on page
"Control panel right bezel removal (MX71x)" on page
Repair information
421
7463
426.
431.