tunelp

Set various parameters for parallel port devices for troubleshooting or for better performance. Part of util-linux. More information: https://manned.org/tunelp.

• Check the status of a parallel port device:

tunelp --status /dev/lp0

• reset a given parallel port:

tunelp --reset /dev/lp0

• Use a given iRQ for a device, each one representing an interrupt line:

tunelp -i 5 /dev/lp0

• Try a given number of times to output a character to the printer before sleeping for a given time:

tunelp --chars times --time time_in_centiseconds /dev/lp0

• Enable or disable aborting on error (disabled by default):

tunelp --abort on|off