Terminal Mechanism; Terminal Circuit Diagram - Casio MD-910 Technical Manual

2-4-2 Terminal mechanism

Terminal No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17

2-4-3 Terminal circuit diagram

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