Lexmark X500 - Fan;Motor and Interlock Switch Locations

5-6 Service Manual
7100-XXX
Fan/motor and interlock switch locations
Name Code Function
Main motor
MM
Drives OPC belt and paper transport system.
Developer motors
DM
Drives toner cartridge and developing system.
Scanner motor
SCM
Drives laser beam scanning in optical unit
Power supply fan
PSFAN
Exhausts heat from power
supply unit and interface controller.
Exit fan
EXFAN
Exhausts heat from fusing unit.
Laser fan
LDFAN
Exhausts heat from laser assembly (printhead).
Front interlock switch
DSW1
Safety interlock switches that break power when covers are opened.
Paper exit assembly
interlock switch
DSW2
Top interlock switch
DSW3