25 Pin Sub-D, Male

| Pin | Description |
|---|---|
| 1 | *STROBE |
| 2 | Data 0 |
| 3 | Data 1 |
| 4 | Data 2 |
| 5 | Data 3 |
| 6 | Data 4 |
| 7 | Data 5 |
| 8 | Data 6 |
| 9 | Data 7 |
| 10 | *ACK |
| 11 | Busy |
| 12 | PAPER_OUT |
| 13 | SELECT |
| 14 | *AUTOFEED |
| 15 | *ERROR |
| 16 | *INIT |
| 17 | *SELECT IN |
| 18 | GND |
| 19 | GND |
| 20 | GND |
| 21 | GND |
| 22 | GND |
| 23 | GND |
| 24 | GND |
| 25 | GND |
36 Pin Delta-Ribbon, Male

| Pin | Description |
|---|---|
| 1 | *STROBE |
| 2 | Data 0 |
| 3 | Data 1 |
| 4 | Data 2 |
| 5 | Data 3 |
| 6 | Data 4 |
| 7 | Data 5 |
| 8 | Data 6 |
| 9 | Data 7 |
| 10 | *ACK |
| 11 | Busy |
| 12 | PAPER_OUT |
| 13 | SELECT |
| 14 | *AUTOFEED |
| 15 | nc |
| 16 | GND: Signal Ground |
| 17 | GND: Shield Ground |
| 18 | +5V DC (50 mA max) |
| 19 | GND |
| 20 | GND |
| 21 | GND |
| 22 | GND |
| 23 | GND |
| 24 | GND |
| 25 | GND |
| 26 | GND |
| 27 | GND |
| 28 | GND |
| 29 | GND |
| 30 | GND |
| 31 | *RESET |
| 32 | *ERROR |
| 33 | nc |
| 34 | nc |
| 35 | +5V DC |
| 36 | *SELECT_IN |