---
name: "calibrate_ppa"
section: "8"
platform: "linux"
package: "printer-driver-pnm2ppa"
version: "1.13-13+b1"
release: "Debian 13 (Trixie)"
platforms: ["linux"]
url: "https://new.carta.tech/calibrate_ppa"
---

# calibrate\_ppa(8)

pnm2ppa calibration tool

## NAME

calibrate\_ppa - pnm2ppa calibration tool

## SYNOPSIS

**calibrate\_ppa** \[options\]

## DESCRIPTION

Produces various PixMap (PPM) files used for calibrating pnm2ppa.

- This manual page was written for the Debian GNU/Linux distribution because the original program does not have a manual page.

  ## NOTE

The size of a  full-page PixMap is 100MB!!.  These PixMaps should be piped directly to pnm2ppa, except in the case of the  -g option, where the PixMap should be viewed or printed by other means.

## OPTIONS

- **-g, --gamma**

  produce  gamma.ppm (10MB, used in color calibration).

- **-h, --help**

  displays this help text.

- **-o \<outfile\>**

  output to file \<outfile\>, "-o -" means stdout (default)

- **-p \<n\>**

  create test pattern number \<n\>

- **--align**

  pattern 0:  align print heads. (default)

- **--test**

  pattern 1:  test alignment.

- **--clean**

  pattern 2:  clean print head.

- **--center**

  pattern 3:  center paper.

- **-s \<paper\>**

  default papersize (a4, legal, letter = us (default))

## AUTHOR

This manual page was written by Chad C. Walstrom \<chewie@debian.org\>, for the Debian GNU/Linux system (but may be used by others).

## SEE ALSO

[*pnm2ppa*(1)](/pnm2ppa/1.md), [*magicfilter*(8)](/magicfilter/8.md), *apsfilter*(8)