3
© 2008, 2009 TOSHIBA TEC CORPORATION All rights reserved
MJ-1103/1104
DESCRIPTION OF OPERATIONS
3 - 27
[E] Stack transport motor drive circuit
The stack transport motor drive circuit controls the rotation and stoppage, rotational direction and motor
current of the stack transport motor.
The stack transport motor is driven by pulse signals (MOT8-OUT1A, MOT8-OUT1B, MOT8-OUT2A
and MT8-OUT2B) output from the motor driver (IC38) under the command of a clock signal (TIOCA3),
a rotational direction signal (MOT8-DIR) and current setting signals (MOT8-CUR1 and MOT8-CUR0)
from the CPU of the finisher control PC board, and thus this motor rotates the stack transport belt.
Fig. 3-32
TIOCA3
MOT8-
DIR
MOT8-
CUR1
MOT8-
CUR0
Motor rotation
Remarks
Clock signal
H
L
H
Normal (Low power)
Not used.
Clock signal
H
L
L
Normal (Normal power)
Clock signal
L
L
H
Reverse (Low power)
Paper is transported to the movable tray.
Clock signal
L
L
L
Reverse (Normal
power)
-
-
H
-
Stop
IC21
CPU
TIOCA3
MOT8-OUT1A
VM
MOT8-OUT2A
MOT8-OUT1B
MOT8-OUT2B
SG
MOT8-DIR
24
4
1
21
5
20
16
13
P-RESET
P-RESET
3.3V
Stack
transport motor
(M8)
IC38
Motor driver
Finisher control PC board
MOT8-CUR1
17
MOT8-CUR0
Current
control
circuit
CN17
Содержание MJ-1103
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Страница 277: ... C Saddle control PC board Fig 8 34 ...
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