Toshiba e-STUDIO350 - Control Circuit of Exit Motor; Exit Motor Drive

November 2003 © TOSHIBA TEC 13 - 15 e-STUDIO350/450 FUSER UNIT / PAPER EXIT SECTION
13
13.5 Control Circuit of Exit Motor
The following is the control circuit of the exit motor.
The exit motor is a stepping motor. The motor is turned ON/OFF and the direction of its rotation is
switched by controlling the output timing of pulse signal (A0·A1·B0·B1).
G14 G16 G20
G18
Exit motor Exit roller
(
ø15
)
PG10
PG12
PG11
PG13
CPU
EXTMA
EXTMB
EXTMC
Exit Motor
EXTMD
EXTMA-0
+5V
EXTMC-0
EXTMB-0
EXTMD-0
STK672
A
AB
B
BB
A0
B0
A1
B1
VREF
PB1
PG1
Gate array
PG2
5V SW
LGC board
Fig. 13-501
13.6 Exit Motor Drive
The diagram shown below is the layout of the driving gears of the exit roller.
Fig. 13-601