Datamax-O'Neil DPL Programmer’s Manual - Manual (Page 21)

Immediate Command Functions
13
SOH e Send Batch Printed Quantity
This command causes the printer to return a four-digit number indicating the quantity of
labels that have been printed in the current batch, followed by a carriage return.
Communications latency may cause this value to be lower than actual on some printers.
Syntax: e
Printer response: nnnn
Where:
nnnn -
Are four decimal digits, 0-9999.
SOH F Send Status Byte
This command instructs the printer to send a single status byte where each bit (1 or 0)
represents one of the printer’s status flags, followed by a carriage return (see below). If
an option is unavailable for the printer, the single bit will always be zero. See A.
Syntax: F
Response format:
X
Where: “X” is 0 through 0xef with bits as indicated in the “Condition”
column below:
Bit * Value Condition
8 1 or 0 (Internal) Rewinder out or fault
7 1 or 0 Label presented
6 1 or 0 Printer paused
5 1 or 0 Busy printing
4 1 or 0 Printing batch
3 1 or 0 Ribbon out or Fault
2 1 or 0 Paper out or Fault
1 1 or 0 Command interpreter busy (imaging)
* One is the least significant bit.