Parallel Interface Specifications

The printer comes with a bidirectional, 8-bit, parallel interface and a Type-B optional interface slot.

Forward channel

Transmission mode:

8-bit parallel, IEEE-1284 compatibility

 

mode

Adaptable connector:

57-30360 (Amphenol) or equivalent

Synchronization:

 

 

 

STROBE

pulse

 

 

Handshaking:

BUSY and

ACKNLG

signals

Signal level:

TTL compatible (IEEE-1284 level 1 device)

Reverse channel

Transmission mode:

IEEE-1284 nibble mode

Adaptable connector:

57-30360 (Amphenol) or equivalent

Synchronization:

Refer to the IEEE-1284 specification

Handshaking:

Refer to the IEEE-1284 specification

Signal level:

IEEE-1284 level 1 device

Data transmission

 

timing:

Refer to the IEEE-1284 specification

Extensibility request:

The printer responds to the extensibility

 

request in the affirmative when the

 

request is 00H or 04H, which means:

00H:

Request nibble mode of reverse channel

 

transfer

04H:

Request device ID in nibble mode of

 

reverse channel transfer

A-16Specifications