M-S Cash Drawer 7193 - Manual (Page 88)

7193 Owner’s Guide Commands
May 1996
Request Alternate Status
This command is available only on Parallel printers. It allows the printer to
inform the host when the data in the buffer has been processed, compensating for
the lack of bi-directional communication. Status information is limited to what
can be sent by the dedicated lines: BUSY, ACK, PAPER EXHAUST, and FAULT.
Hex Decimal ASCII Value of n
1B 75 n 27 117 n ESC u n See Table Below
When this command is sent to the printer, the printer goes “Busy” until all data
which has been sent to the printer has been processed. The PAPER EXHAUST
line shows the status for the cash drawer or receipt paper as follows:
Value of n Function Description
00 Drawer 1 High = Open
Low = Closed or Not Present
01 Drawer 2 High = Open
Low = Closed or Not Present
02 Paper Low (Not Implemented) High = Paper Low
Low = Not Used
03 Paper Out High = Paper Out (Default)
Low = Not Used
>03 Ignored, No Change
Printer Does Not Stay BUSY1
1PAPER EXHAUST LINE is valid to indicate previously requested status.