# tunelp > Set various parameters for parallel port devices for troubleshooting or for better performance. > Part of `util-linux`. > More information: . - Check the [s]tatus of a parallel port device: `tunelp --status {{/dev/lp0}}` - [r]eset a given parallel port: `tunelp --reset {{/dev/lp0}}` - Use a given [i]RQ for a device, each one representing an interrupt line: `tunelp -i 5 {{/dev/lp0}}` - Try a given number of times to output a [c]haracter to the printer before sleeping for a given [t]ime: `tunelp --chars {{times}} --time {{time_in_centiseconds}} {{/dev/lp0}}` - Enable or disable [a]borting on error (disabled by default): `tunelp --abort {{on|off}}`