3
© 2008, 2009 TOSHIBA TEC CORPORATION All rights reserved
MJ-1103/1104
DESCRIPTION OF OPERATIONS
3 - 25
[C] Buffer tray guide motor drive circuit
The buffer tray guide motor drive circuit controls the rotation and stoppage, rotational direction and
motor current of the buffer tray guide motor.
The buffer tray guide motor is driven by pulse signals (MOT2-OUT1A, MOT2-OUT1B, MOT2-OUT2A
and MOT2-OUT2B) output from the motor driver (IC48) under the command of a clock signal (TIOCA5),
a rotational direction signal (MOT2-DIR) and a current setting signals (MOT2-CUR1 and MOT2-CUR0)
from the CPU of the finisher control PC board, and thus this motor opens or closes the buffer tray guide.
Fig. 3-30
TIOCA5
MOT2-
DIR
MOT2-
CUR1
MOT2-
CUR0
Motor rotation
Remarks
Clock signal
H
L
H
Normal (Low power)
The guide is closed.
Clock signal
H
L
L
Normal (Normal power)
Clock signal
L
L
H
Reverse (Low power)
The guide is opened.
Clock signal
L
L
L
Reverse (Normal
power)
-
-
H
-
Stop
IC21
CPU
TIOCA5
MOT2-DIR
MOT2-OUT1A
VM
MOT2-OUT2A
MOT2-OUT1B
MOT2-OUT2B
SG
MOT2-CUR0
24
4
1
21
5
MOT2-CUR1
16
20
13
P-RESET
P-RESET
3.3V
Buffer tray
guide motor
(M2)
IC48
Motor driver
Finisher control PC board
CN1
1
17
Current
control
circuit
Содержание MJ-1103
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Страница 277: ... C Saddle control PC board Fig 8 34 ...
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