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MJ-1103/1104 © 2008, 2009 TOSHIBA TEC CORPORATION All rights reserved
DESCRIPTION OF OPERATIONS
3 - 30
[H] Stapler unit shift motor drive circuit
The stapler unit shift motor drive circuit controls the rotation and stoppage, rotational direction and
motor current of the stapler unit shift motor.
The stapler unit shift motor is driven by pulse signals (MOT9-OUT1A, MOT9-OUT1B, MOT9-OUT2A
and MOT9-OUT2B) output from the motor driver (IC42) under the command of a clock signal (TIOCA3),
a rotational direction signal (MOT9-DIR) and a current setting signals (MOT9-CUR1 and MOT9-CUR0)
from the CPU of the finisher control PC board, and thus this motor shifts the stapler unit back and forth.
Fig. 3-35
TIOCA3
MOT9-
DIR
MOT9-
CUR1
MOT9-
CUR0
Motor rotation Remarks
Clock signal H L H Normal (Low power) The stapler unit is shifted to the front side.
Clock signal H L L Normal (Normal power)
Clock signal L L H Reverse (Low power) The stapler unit is shifted to the rear side.
Clock signal L L L Reverse (Normal
power)
--H- Stop
IC21
CPU
TIOCA3
MOT9-CUR1
MOT9-A
VM
MOT9-C
MOT9-B
MOT9-D
SG
MOT9-DIR
1
21
3
23
15
16
10
13
P-RESET
P-RESET
3.3V
IC42
Motor driver
2
4
22
20
MOT9-CUR0
CN10
Stapler unit
shift motor
(M9)
Finisher control PC board
Current
control
circuit