Printronix t8000 Administrator's Manual page 191

Host IO > Serial > Idle Response
This option is for the Series1 protocol and is relevant when the buffer is less
than 75% full.
The printer does not send a response character when
Disable
the buffer is less than 75% full.
The printer sends a response character every two
Enable
seconds while the buffer is less than 75% full.
Factory Default Disable
Host IO > Serial > 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.
Printer State
ONLINE and Buffer Not Full
ONLINE and Buffer Full
OFFLINE and Buffer Not Full
OFFLINE and Buffer Full
The Poll Character is removed from the data stream. If the Data Protocol is
set to ETX/ACK, ACK/NAK, or Series1, One Char Enquiry is automatically
disabled.
Disable
Enable
Factory Default Disable
Response (hex)
22
23
20
21
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