Printronix P9000 Series - Manual (Page 158)

Programming 6-60
Printer Select
ASCII Hex Decimal
P-Series N/A N/A N/A
Serial DC1 11 17
Purpose Places printer in the selected state.
Comment When the configuration parameter PRINTER SELECT is enabled, this conĆ
trol code will allow the printer to receive and print data from the host.
Printer Deselect (code DC3) disables the printer from receiving data.