Timing chart

The figure below shows the timing chart for the parallel interface.

BUSY

ACKNLG

DATA

STROBE

0.5 μs (Min.)

0 μs (Min.)

0 μs (Min.)5 μs (Typ.)

Transition time (both the rise and the fall) of every signal must be less than 0.2 μs.

Serial interface

The printer’s built-in serial interface is based on the RS-422 standard. This interface has the following characteristics:

Standard:

Based on RS-422

Synchronization:

Asynchronous

Bit rate:

57.6 Kbps

Handshaking:

DTR and XON/XOFF protocol

Word format:

 

Data bit

8 bits

Parity bit

None

Start bit

1 bit

Stop bit

1 bit

Connector:

8-pin mini-circular connector

A-12Specifications