Request The Printer Statuses - Paxar 9430RX Programmer's Manual

Request the printer statuses

You can request the print buffer, battery status, and magnetic card reader
status from the printer by sending 16 hex (Ctrl-V) to the printer.
The printer responds with
ESC-'B'-#pbchars#-CR-LF-ESC-'V'-#volts#-CR-LF-ESC-
'M'-#card#-CR-LF-NAK
ESC B
#pbchars#
CR LF
ESC V
#volts#
CR LF
ESC M
#card#
CR-LF-NAK
You can send a print status request to the printer for print buffer status and the
magnetic card reader status by sending 2 hex (Ctrl-B)
Print buffer status.
The number of characters currently in the print
buffer, shown as four ASCII hex digits, which are
"OR'd" with 30 hex.
Carriage return and line feed.
Battery voltage status.
Four ASCII decimal digits (which are "OR'd" with
30 hex). The first three are the battery voltage
(form x.x).
The fourth character categorizes the voltage listed
to give it a reference. Values are 1-4, where 1 is
high and 4 is low.
Carriage return and line feed.
Magnetic card reader status.
Four ASCII hex digits (which are "OR'd" with 30
hex) representing the time left before the printer
enters sleep mode.
Indicates the end of a response from the printer.
Configuring the Printer 2-3