Lexmark MS312 Service Manual page 7

Demo Mode ....................................................................................................................................................133
Energy Conserve .............................................................................................................................................134
Wipe All Settings.............................................................................................................................................134
Font Density....................................................................................................................................................134
Font Sharpening..............................................................................................................................................134
USB Speed.......................................................................................................................................................134
USB PnP ..........................................................................................................................................................135
Exit Config Menu.............................................................................................................................................135
Entering Invalid engine mode................................................................................................................135
Entering Recovery mode.......................................................................................................................135
Accessing the Network SE menu...........................................................................................................135
Service engineer menu..........................................................................................................................136
Accessing the service engineer (SE) menu......................................................................................................136
Service engineer (SE) menu ............................................................................................................................136
Repair information...................................................................................137
Removal precautions.............................................................................................................................137
Data security notice ........................................................................................................................................137
Handling ESD-sensitive parts ..........................................................................................................................137
Controller board/control panel replacement .................................................................................................138
Restoring the printer configuration after replacing the controller board ......................................................139
Restoring solutions, licenses, and configuration settings...............................................................................142
Updating the printer firmware .......................................................................................................................143
Using the flash drive...................................................................................................................................143
Using a network computer.........................................................................................................................144
Ribbon cable connectors ................................................................................................................................144
Zero Insertion Force (ZIF) connectors ........................................................................................................144
Horizontal top contact connector ..............................................................................................................145
Horizontal bottom contact connector........................................................................................................148
Vertical mount contact connector .............................................................................................................151
Horizontal sliding contact connector .........................................................................................................154
Low Insertion Force (LIF) connector...........................................................................................................157
Printhead assembly adjustments....................................................................................................................158
Removal procedures.............................................................................................................................161
Left side removals.................................................................................................................................161
Left cover removal ..........................................................................................................................................161
Main drive gearbox removal...........................................................................................................................162
MPF solenoid removal ....................................................................................................................................164
MPF gearbox removal.....................................................................................................................................167
Reverse solenoid removal...............................................................................................................................170
ACM clutch removal........................................................................................................................................171
Cartridge gearbox removal .............................................................................................................................176
Duplex gear assembly removal .......................................................................................................................176
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