Serial Interface

The printer’s built-in serial interface is based on the RS-422 standard to allow the printer to be connected to an Apple Macintosh.

Standard:

Based on RS-422

Synchronization:

Asynchronous

Bit rate:

57.6 Kbps/230.4 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

Recommended cable:

Apple System/Peripheral-8 (part number

 

M0197) or equivalent

Optional Interfaces

The available interfaces are listed in Appendix A. Please refer to the specifications in the user’s guide packed with the optional interface card.

Initialization

The printer can be initialized (returned to a fixed set of conditions) in these ways:

Hardware

∗ The printer is turned on.

initialization

∗ The printer receives an

INIT

signal from the

 

parallel interface: pin 31 goes LOW.

 

 

 

 

Software

∗ Software sends the ESC @ (initialize the printer)

initialization

command. The last panel settings are kept.

 

 

 

 

Control panel

∗ Hold down the Alt button and press the Pause

initialization

button (buffer clear). The last panel settings are

 

kept.

 

 

 

 

B-12Technical Specifications