Ps smartswitch, Robust xon, Rs-232/rs-422 – IBM 1220 User Manual
Page 166: Serial menu
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PS SmartSwitch
Purpose:
To configure the printer so it automatically switches to PostScript emulation when a print job received
through the serial port requires it, regardless of the default printer language.
Values:
See also:
Robust XON
Purpose:
To determine whether the printer communicates availability to the computer.
Values:
This menu item only applies to the serial port if Serial Protocol is set to XON/XOFF.
RS-232/RS-422
Purpose:
To specify the type of serial communication.
Values:
Note: Selecting RS-422 automatically sets Serial Protocol to XON/XOFF.
On*
Printer examines data on the serial interface and selects PostScript emulation if the data
indicates that is the required printer language.
Off
Printer does not examine the incoming data. The printer uses PCL emulation to process the
job if PCL SmartSwitch is On, or uses the default printer language specified in the Setup
Menu if PCL SmartSwitch is Off.
Off*
Printer waits to receive data from the computer.
On
Printer sends a continuous stream of XONs to the host computer to indicate that the serial
port is ready to receive more data.
RS-232*
RS-422