Service manual

Set printer off-line

Sets the printer off-line. The printer disregards all subsequent characters

and commands except <DC1>, which returns it to the on-line. The

printer’s ON LINE indicator does not go off.

Set printer on-line

Returns the printer to on-line state, allowing it to receive and process

all subsequent characters and commands. This command is ignored if

the printer was set off-line by pressing the ON LINE button on the

control panel.

Bell

Sounds a brief beep tone from the printer.

Bi-directional printing

Causes subsequent printing to be done in the normal bi-directional

mode, which is faster than uni-directional printing.

Uni-directional printing

Causes subsequent printing to be done uni-directionally, ensuring

maximum vertical alignment precision.

ASCII Decimal Hexadecimal

<DC3>

19 13

ASCII Decimal Hexadecimal

<DC1>

17 11

ASCII Decimal Hexadecimal

<BEL>

7 07

ASCII Decimal Hexadecimal

27 85 0 1B 55 00

ASCII Decimal Hexadecimal

27 85 1 1B 55 01