2-12 Phaser 7750 Printer Service Manual
■ Imaging Unit Motors - There are two imaging unit motors providing drive to the
four imaging units: one drives the Y, M, and C drums, and the other drives the K
(black) drum. Like the main motor, the drum motors get 5 and 24 volt DC power
from 5 and 24 volt power supplies via the interface board. The motors are
enabled and the speed is controlled by the engine control board.
Developer
drive assy
Main
drive
assy
Imaging Unit
drive assy
Accumulator
belt drive assy
7750-451
Black
Imaging Unit
motor (K)
(hidden)
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