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© 2008, 2009 TOSHIBA TEC CORPORATION All rights reserved MJ-1103/1104
DESCRIPTION OF OPERATIONS
3 - 39
[E] Folding motor drive circuit
The folding motor drive circuit controls the rotation and stoppage, rotational direction and motor current
of the folding motor.
The folding motor is a DC motor which is driven by rotation control signals (DM1-CNT1 and DM1-
CNT0) from the CPU of the saddle control PC board, and thus this motor performs a folding operation
and the paper is exited to the saddle tray.
For the case when an overcurrent status is detected, a protection circuit is mounted to turn the folding
motor off.
Fig. 3-45
DM1-CNT1 DM1-CNT0 Motor rotation Remarks
L H Normal Operates the folding.
H L Reverse The paper is exited to the saddle tray
HH Stop
L L Stop Not used.
IC31
CPU
DM1-CNT0
DM1-F
VM5VPA
Folding motor
(M17)
Motor drive circuit
Saddle control PC board
Overcurrent
protection circuit
DM1-R
DM1-CNT1
CN14