Serial Submenu

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.

Table 5. 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

 

 

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.

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Printronix P7000 user manual One Char Enquiry, Framing Errors