Casio MD-910, Technical Manual

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— 12 —
Terminal No. Terminal name Remarks
1 Motor (–) Motor is ON with GND
2 Phototransistor emitter Dot pulse sensor
3 Phototransistor collector
4 LED cathode
5 LED anode
6 Printing solenoid D (–) 1st print head
7 Printing solenoid B (–) Each solenoid is ON with GND
8 Printing solenoid A (–)
9 Printing solenoid C (–)
10 Common (+) Power side of print head, motor and paper
feeding solenoid
11 Printing solenoid H (–) 2nd print head
12 Printing solenoid F (–) Each solenoid is ON with GND
13 Printing solenoid E (–)
14 Printing solenoid G (–)
15 Paper feeding solenoid (–) Solenoid is ON with GND
16 Reset pulse sensor output Power side
17 Reset pulse sensor output GND side
2-4-2 Terminal mechanism
2-4-3 Terminal circuit diagram
2 3 4 5 6 7 8 9 11 10 16 15 12 13 14
Printing
Solenoid
D
Motor Dot Pulse Sensor 1st Printing Head 2nd Printing Head Reset Pulse Sensor
Paper Feeding Solenoid
Printing
Solenoid
A
Printing
Solenoid
B
Printing
Solenoid
C
Printing
Solenoid
H
Printing
Solenoid
E
Printing
Solenoid
F
Printing
Solenoid
G
1
M
Note: 1. For motor polarity, terminal No. 1 should be minus.
2. For reset pulse sensor, terminal No. 17 should be GND.
+
–
17