Unisys E-@CTION EFP9800 - Manual (Page 228)

EF4270 Emulation Commands
9–24 3255 4073–002
Status: 7 Bit
Transmits the status of the paper sensors, cash drawers, forms clamp, and the
condition of the printer, including paper jam status. This command is processed
immediately. The transmitted status is shown in the table below.
Hexadecimal Decimal ASCII
1B 06 27 6 ESC ACK
Bit 0 1
0 Form Present Form Not Present
1 Paper Present Paper Not Present
2 Printer Is On-Line Fault Condition
3 Cash Drawer 1 Closed Cash Drawer 1 Open
4 Cash Drawer 2 Closed Cash Drawer 2 Open
5 Forms Clamp Closed Forms Clamp Open
6 No Paper Jam Paper Jam
Status-Firmware
Used for RS-232C printers only. Causes the printer to return 3 bytes (000).
Hexadecimal Decimal ASCII
1B 56 27 86 ESC V