Printronix P7000 Cartridge Ribbon Printer - Manual (Page 102)

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Chapter 4 HOST INTERFACE Menu
One Char Enquiry
The One Char Enquiry mode uses the Poll Character to detect a request from
the host and sends a response back to the host. This option also allows you to
turn on and off this feature.
The Poll Character is removed from the data stream. If the Data Protocol is
set to ETX/ACK, ACK/NAK, or Series 1, One Char Enquiry is automatically
disabled.
Framing Errors
Possible errors that can occur when the printer’s serial interface settings do
not match those of the host computer.
• Enable (default). If a framing error occurs, a fault message will display on
the control panel.
• Disable . If a framing error occurs, a fault message will not display on the
control panel.
Offline Process
• Disable (default). When set to disable, the printer does not process
parallel/network data while in offline mode.
• Enable . When set to enable, the printer continues to process without
printing the current network/parallel job while the printer is offline until the
printer’s buffer is full.
Table 6. One Char Enquiry Response Characters
Printer State Response (hex)
Online and Buffer Not Full 22
Online and Buffer Full 23
Offline and Buffer Not Full 20
Offline and Buffer Full 21