Drive Mechanism - Gestetner A193 Service Manual

PCU (PHOTOCONDUCTOR UNIT)

4.2 DRIVE MECHANISM

The drive from the main motor [A] is transmitted to the drum through a series
of gears, a timing belt [B], and the drum drive shaft [C]. The main motor has a
drive controller, which outputs a motor lock signal when the rotation speed is
out of the specified range.
The fly-wheels (2) [D] on the end of the drum drive shaft stabilizes the
rotation speed (this prevents banding and jitter of the image from appearing
on copies).
(A193)
[B]
[C]
2-24
[D]
[A]
A193D542.wmf
SM