■PRINTER CONNECTOR (FLEXIBLE PT BOARD) PIN ARRAYS
Thermal head, control circuit side connector:
No |
|
|
|
| Signal | I/O | Contents |
|
|
|
|
|
|
|
|
1 |
| PHK | — | Cathode for photo interruptor | |||
|
|
|
|
|
|
|
|
2 |
| VSEN | I | paper sensor power | |||
|
|
|
|
|
|
|
|
3 |
| PHE | O | Emittor for photo interruptor | |||
|
|
|
|
|
|
|
|
4 |
| N.C. (101)/ SW1 (103) | Platen release switch | ||||
|
|
|
|
|
|
|
|
5 |
| N.C. (101)/ SW2 (103) | Platen release switch | ||||
|
|
|
|
|
|
|
|
6 |
| VH | — | Head drive power | |||
|
|
|
|
|
|
| |
7 |
| VH | — | ||||
|
| ||||||
|
|
|
|
|
|
|
|
8 |
| DIN | I | Data in | |||
|
|
|
|
|
|
|
|
9 |
| CLK | I | Synchronous clock for communication | |||
|
|
|
|
|
|
|
|
10 |
| GND | — | Ground power supply for thermal head | |||
|
|
|
|
|
|
| |
11 |
| GND | — | ||||
|
| ||||||
|
|
|
|
|
|
|
|
12 |
| STB6 | I |
| |||
|
|
|
|
|
|
|
|
13 |
| STB5 | I | Thermal head energizing control signal | |||
|
|
|
|
|
|
|
|
14 |
| STB4 | I |
| |||
|
|
|
|
|
|
|
|
15 |
| VDD | I | Logic power | |||
|
|
|
|
|
|
|
|
16 |
| TH | O | Thermally sensitive resistor input termnial 1 | |||
|
|
|
|
|
|
|
|
17 |
| TH | O | Thermally sensitive resistor input termnial 2 | |||
|
|
|
|
|
|
|
|
18 |
| STB3 | I |
| |||
|
|
|
|
|
|
|
|
19 |
| STB2 | I | Thermal head energizing control signal | |||
|
|
|
|
|
|
|
|
20 |
| STB1 | I |
| |||
|
|
|
|
|
|
|
|
21 |
| GND | — | Ground power supply for thermal head | |||
|
|
|
|
|
|
| |
22 |
| GND | — | ||||
|
| ||||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
23 |
| LAT | I | Data latch | |||
|
|
|
|
|
|
|
|
24 |
| DO | O | Data out | |||
|
|
|
|
|
|
|
|
25 |
| VH | I | Power supply for thermal head | |||
|
|
|
|
|
|
| |
26 |
| VH | I | ||||
|
| ||||||
|
|
|
|
|
|
|
|
27 |
| MT/A | I |
| |||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |
28 |
| MT/A | I | Stepping motor excitation signal | |||
|
|
|
|
|
|
| |
29 |
| MT/B | I | ||||
|
| ||||||
|
|
|
|
|
|
|
|
30 |
| MT/B | I |
| |||
|
|
|
|
|
|
|
|
Do not plug or unplug the FPC when power is on.
6
