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