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EFP9800 ESC/POS Commands
3255 4073– 002 6– 53
Identifying Auto Status Back Bytes Transmitted by the Printer
The printer transmits status to the host computer in several ways as shown in
the following table:
Printer response to a status request from host computer
Pattern of status bytes
sent by printer
Transmit Peripheral Device Status (1B 75) 0**0****
Transmit Paper Sensor Status (1B 76) 0**0****
Transmit Printer ID (1D 49) 0**0****
Transmit Status (1D 72) 0**0****
Real Time Status Transmission 0**1**10
Auto Status Back (1D 61)
First Byte
Following Bytes
0**1**00
0**0****
XON (Communication Protocol) 00010001
XOFF (Communication Protocol) 00010011
Note that the pattern of the second, third, and fourth bytes of the Auto Status
Back command is identical to the Transmit Status commands (first four
commands listed in the table). This can be confusing. When using the Auto
Status Back command, look for the pattern of the first byte. It will always
precede the following three bytes. Do not confuse the last three bytes of the
Auto Status command with the Transmit Status commands.