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EFP9800 ESC/POS Commands
6– 48 3255 4073– 002
• The printer transmits only one byte after confirming that the host computer
is ready when DTR/DSR protocol is selected. One byte is transmitted
without confirming the signal when XON/XOFF protocol is selected.
• When the command is buffered, a status is sent causing a possible delay
between when the command is received by the host computer and the
status sent. This is dependent on the state of the receive buffer.
• When the Enable/Disable Automatic Status Back command (1D 61) is used
to enable Auto Status Back, the status transmitted by this command
(Transmit Printer ID) and the Auto Status Back must be differentiated.
• The ROM version may depend on releases of the product.
• The command is ignored if n is out of the specified range.
Enable/Disable Automatic Status Back (ASB)
Enables or disables automatic status back (ASB) and specifies the status items
to include.
Hexadecimal Decimal ASCII
1D 61 n 29 97 n GS a n
The bits of n are defined as follows:
Function Status
Bit Function 0 1
0 Cash Drawer Connector Pin 3 Disabled Enabled
1 Online/Offline Disabled Enabled
2 Error Disabled Enabled
3 Receipt/Journal Paper Out Switch Disabled Enabled
4 Undefined
5 Slip Sensor/Slip Status Disabled Enabled
6-7 Undefined
Note: Status information may not be accurate when using paper with
holes.