Error Handling - Epson EPI-4000 User Manual

Interface Specifications
Available Bytes in
Input Buffer
Decreases to 256 bytes
Increases to 512 bytes
Note: There is a SelecType setting that causes X-ON/X-OFF transmission to be
Ignored.

Error handling:

Connector:
Technical Specifications
7-24
Printer Status
Cannot receive input data
Can receive input data
If a parity error is detected, the printer
prints an asterisk (*). All other errors, such
as overrun error or a framing error, are
an
ignored.
25-pin D-SUB connector
Signal
Sends X-OFF code
or set DTR to 1
(Mark)
Sends X-ON code
or set DTR to 0
(Space)