Compuprint 9058 Programmer Manual - Manual (Page 61)

EPSON/IBM Mode
A78408098-003 59
ESC >
Sets MSB to 1. (EPSON)
ASCII Code ESC >
Hexadecimal Value 1B 3E
Decimal Value 27 62
This command sets the Most Significant bit (bit number 7) of all
incoming data to 1. All data is affected including graphics data.
ESC Q
Deselects Printer. (IBM)
ASCII Code ESC Q n
Hexadecimal Value 1B 51 n
Decimal Value 27 81 n
This sequence tells the printer not to accept data from the host. The host
must reset the printer or select the printer by using DC1 (Select Printer)
to accept data. To deselect the printer, use ESC Q35.
Miscellaneous
BEL
Buzzer. (EPSON)
ASCII Code BEL
Hexadecimal Value 07
Decimal Value 7
This code sounds the printer’s buzzer.