System Administration Guide

How to Adjust the Printer Port Characteristics

  1. Log in as superuser or lp on the print server.

  2. Adjust the printer port characteristics by using the lpadmin command.


    # lpadmin -p printer-name -o "stty=options"
    
    -p printer-name
    

    Name of the printer for which you are adjusting the port characteristics. 

    -o "stty=options"

    Sets the port characteristic (stty option) specified by options.You can change more than one stty option setting with this command. Enclose each option in single quotation marks and use a space to separate the options. See stty(1) for a complete list of options. Table 44-1 shows the default stty settings used by the LP print service.

  3. Verify that the printer port characteristics have been changed by using the following command.


    # stty -a
    

Examples--Adjusting the Printer Port Characteristics

In the following example, the command sets the port characteristics for the printer luna. The -parenb option enables parity checking/generation, parodd sets odd parity generation, and cs7 sets the character size to 7 bits.


# lpadmin -p luna -o "stty='parenb parodd cs7'"

In the following example, the command sets the terminal baud rate to 19200 for the printer venus.


# lpadmin -p venus -o "stty=19200"