Select ROM character set
Mode ASCII Decimal Hexadecimal
<ESC> “O,o” “0” 21 37 48 IB 25 30
Both <ESC> ‘C% 93 <o> 27 37 0 1B 25 00
Stops using the download character set and returns to the built-in ROM
character set. Ignored when DIP switch 2-l is ON.

OTHER PRINTER CONTROL COMMANDS

Set MS6 to 7
Mode ASCII Decimal Hexadecimal
Both <ESC> “ > 33 27 62 1B 3E
Sets the most significant bit of each subsequent byte received to 1, allowing
users with a 7-bit interface to access characters with ASCII codes greater
than 127.
Set MS8 to 0
Mode ASCII Decimal Hexadecimal
Std. <ESC> “=” 27 61 1B 3D
IBM <ps> “T” 28 61 IC 3D
Sets the most significant bit of each subsequent byte received to 0.
Accept MSB as is
Mode ASCII Decimal Hexadecimal
Both <ESC> “#” 21 35 IB 23
Cancels the preceding commands and accepts the most significant bit as
it is sent to the printer.

Delete last character sent

Mode ASCII Decimal Hexadecimal
Std. <DEL> 127 IF
Deletes the last character received. Ignored if the last character received
has already been printed, or if the last character received was all or part
of a command.