Lexmark MX71x Service Manual page 26

Input options supported.....................................................................................................................1015
Output options supported...................................................................................................................1015
Physical specifications (options)..........................................................................................................1015
Appendix C: Theory of operation............................................................1017
Models MX81x and MX71x paper path rollers and sensors................................................................1017
Models MX81x and MX71x sensors....................................................................................................1018
Functions of main components...........................................................................................................1018
Media tray.....................................................................................................................................................1018
Rear media guide ..........................................................................................................................................1019
Side media guide...........................................................................................................................................1019
Media tray...........................................................................................................................................1019
Media feeder ................................................................................................................................................1019
Sensor (media size) .......................................................................................................................................1019
Sensor (pick roller position) ..........................................................................................................................1019
Multi-purpose feeder (MPF)...............................................................................................................1020
MPF pick roller..............................................................................................................................................1020
MPF pick solenoid.........................................................................................................................................1020
Registration.........................................................................................................................................1021
Sensor (input) ...............................................................................................................................................1021
Duplex.................................................................................................................................................1021
Sensor (duplex path).....................................................................................................................................1021
Transfer...............................................................................................................................................1022
Transfer roller ...............................................................................................................................................1022
Printhead.............................................................................................................................................1023
Fuser components...............................................................................................................................1024
Heat belt (belt fuser).....................................................................................................................................1025
Pressure roll ..................................................................................................................................................1025
Thermistor ....................................................................................................................................................1025
Sensor (fuser exit).........................................................................................................................................1026
Exit.......................................................................................................................................................1026
Sensor (standard bin full)..............................................................................................................................1026
Drive....................................................................................................................................................1026
Main drive motor assembly ..........................................................................................................................1026
Fuser drive motor assembly .........................................................................................................................1027
Toner add motor assembly ...........................................................................................................................1027
Redrive motor assembly ...............................................................................................................................1027
Sensors................................................................................................................................................1028
Electrical components and controller.................................................................................................1029
Sensor (control panel door interlock) ...........................................................................................................1029
Sensor (rear door interlock)..........................................................................................................................1029
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