Picture

Picture (42 KB JPG)

Technical data:

Type	Dot matrix
Number of pins	1
Ribbon type	No ribbon -> carbon paper :-)
Dots per line	480
Speed	150 dots per sec (A4 paper in 10 minutes)
Input power	5 W
Dimensions	250 x 80 x 150 mm
Weight	1.5 kg
Manufacturer	Tesla Prelouc, Czech Republic
Original price	1500.- Kc

Pinout of connectors:

IN

1 - carriage right (M1), L
2 - GND
3 - unconnected
4 - carriage left (M1), L
5 - pen, H
6 - paper (M2), L
7 - unconnected

Numbered clock-wise, from top: 6, 1, 4, 2, 5, 3, 7

OUT

1 - carriage detector, H
2 - GND
3 - paper movement detector, L
4 - unconnected
5 - unconnected
6 - synchronisation detector, L
7 - coordinated detector, L

L - active in logical 0
H - active in logical 1

Cables

Cable stick 1 -> OUT
1 - 1
2 - 6
3 - 7
4 - 3
5
6
7
8 - 2
9

Cable stick 2 -> IN
1 - 4
2 - 1
3 - 6
4 - 5
5
6
7
8 - 2
9