User`s manual
BD2-1220/1221 User’s Manual
7
3.2 Print Head Interface Connector (CN2)
3.2.1 Pin Description
Pin No.
Signal Name
Input/Output Function
LT-122x LT-132x
1~4 Vp — Thermal head power supply
5 DO Input Serial print data input
6 CLK Output Data transfer clock
7 LAT Output Print data latch signal
8 N. C STB 2 — (Output) N.C. (Strobe 2)
9 STB 1 Output Strobe 1
10 TM — Thermistor
11~19 GND — GND
20 TM — Thermistor
21 Vdd — Thermal head driver power supply
22 STB 3 STB 4 Output Strobe 3 (4)
23 STB 2 STB 3 Output Strobe 2 (3)
24 D1 Output Serial print data output
25~28 Vp —
Connectors: CFF1128-0101 (SMK)
52045-2845 (Molex) or equivalent
* Note that the cable connector pin arrangement is in the reverse order to that on the control board.
The pin arrangement above is that on the control board.
* For the details of print head mechanisms, see the specifications for each model of print head.
3.2.2 Compatible FFC Cable
36.25 ± 0.1
33.75 ± 0.1
0.3 ± 0.05
1.25 ± 0.05
Conductor side
0.8 ± 0.03
Unit (mm)
Dimensions of
reinforcement plate
MIn. 4
7