Options and accessories
User Guide
ENQ/STX protocol
In addition to this XON/XOFF message, the possibility exists of requesting a
status byte from the printer using the ENQ code (hex. 05, dec. 5). The STX code
(hex 02, dec. 2) is used to clear any error messages (parity error, buffer
overflow).
Status byte Bit 0 – 1
Bit 1 – 1
Bit 2 – 0
Bit 3 – 1
Bit 4 – 1
Bit 5 – 1
Bit 6 – 1
Bit 7 – 0
BUSY
Off Line
Paper end
Always 1
Cover open
Buffer overflow
Parity or frame error
Always 0
ST
X (hex02)
Clears any previous parity or framing error as well as any buffer
overflow error.
ENQ (hex05)
The current printer status is sent to the host.
XON/XOFF
This protocol is automatically used for data flow control and
printer status handling.
HandThr.=
ON The STX and ENQ characters are not filtered out of the
data stream and control the interface in addition.
HandThr.=
OFF The STX and ENQ are filtered out of the data stream and
handled imm
ediately by the interface.
ETX/ACK protocol
ETX (hex03)
Block end character
ACK (hex06)
Acknowledgement informing the host that further data may be
transmitted.
XON/XOFF
This protocol is used in addition to data flow control and printer
status handling.
HandThr.=ON
An ETX is not acknowledged by ACK before all previously
arrived data have been printed.
HandThr.=OFF When the printer receives an ETX, it returns an ACK to the
host. Any previously sent data or blocks may still be present in
the printer buffer.
Management
Web Panel
HP Web Jet Admin
E-Mail notification with SMTP
TallyCom Print Guide
Pre-string, Post-String
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