Lexmark X746de Service Manual page 279

Photoconductor unit/toner cartridge drive
The photoconductor units (four) and toner cartridges (four) receive drive power from the EP drive assembly
motors. The top cartridge motor 1 on the EP drive assembly provides drive to the top two photoconductor units
and toner cartridges (yellow and cyan). Likewise, the bottom cartridge motor 2 drives the two bottom
photoconductor units and toner cartridges. When the printer's top access door is open, the couplers for the toner
cartridges and photoconductor units disengage.
Outside
Inside
Photoconductor
couplers
Fuser motor
Cartridge motor 1
Cartridge motor 2 (upper)
Cartridge motor 2 (lower)
Toner
cartridge
couplers
Diagnostic aids
7526
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