4.2.20 Code Sequences Not Supported by T27

T27 does not support the following code sequences. When these sequences are received, no action is taken.

Table 4-59

Sequence

Operation

ACK

Acknowledges that data has been sent.

DLE

Inserts a data link escape.

ESC, )

Queries the printer about its status (printing, ready, etc.) and sends this information to the host.

ESC, [, n, a

Compresses the specified number of spaces into no space.

ESC, R, B, mmm

Specifies the size of the Datacomm buffer.

ESC, R, B, nnnn

Specifies the size of the screen buffer.Specifies the size of the screen buffer.

ESC, SPACE, D

Ignores any changes that have been made to the session configuration but not yet saved.

ESC, SPACE, E

Runs a host application that tests the session for stability.

ESC, SPACE, F

Tests communication between the host and the printer.

NAK

Indicates that that data is not complete or has not been received.

NUL

Occupies space in a buffer.

STX

Inserts a start-of-text character.

SYN

Synchronizes communication with the host.