fax2ps man page on aLinux

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FAX2PS(1)							     FAX2PS(1)

       fax2ps - convert a TIFF facsimile to compressed ™

       fax2ps [ options ] [ file...  ]

       fax2ps  reads  one or more TIFF facsimile image files and prints a com‐
       pressed form of
	on the standard output that is suitable for printing.

       By default, each page is scaled to reflect  the	image  dimensions  and
       resolutions  stored  in the file.  The -x and -y options can be used to
       specify the horizontal and  vertical  image  resolutions	 (lines/inch),
       respectively.   If  the	-S option is specified, each page is scaled to
       fill an output page.  The default output page  is  8.5  by  11  inches.
       Alternate page dimensions can be specified in inches with the -W and -H

       By default fax2ps generates  for all pages in the file.	The -p	option
       can be used to select one or more pages from a multi-page document.

       fax2ps  generates  a  compressed form of	 that is optimized for sending
       pages of text to a printer attached to a host through a low-speed  link
       (such  as  a  serial  line).  Each output page is filled with white and
       then only the black areas are drawn.  The  specification of  the	 black
       drawing	operations  is	optimized by using a special font that encodes
       the move-draw operations required to fill  the  black  regions  on  the
       page.   This  compression  scheme  typically results in a substantially
       reduced	description, relative to the straightforward  imaging  of  the
       page  with  a image operator.  This algorithm can, however, be ineffec‐
       tive for continuous-tone and white-on-black images.  For these  images,
       it  sometimes  is  more	efficient  to  send  the  raster  bitmap image
       directly; see tiff2ps(1).

       -p number Print only the indicated page.	 Multiple pages may be printed
		 by specifying this option more than once.

       -x resolution
		 Use resolution as the horizontal resolution, in dots/inch, of
		 the image data.  By default this  value  is  taken  from  the

       -y resolution
		 Use  resolution as the vertical resolution, in lines/inch, of
		 the image data.  By default this  value  is  taken  from  the

       -S	 Scale	each page of image data to fill the output page dimen‐
		 sions.	 By default images  are	 presented  according  to  the
		 dimension information recorded in the TIFF file.

       -W width	 Use width as the width, in inches, of the output page.

       -H height Use height as the height, in inches, of the output page.

       Some messages about malformed TIFF images come from the TIFF library.

       Various	messages  about badly formatted facsimile images may be gener‐
       ated due to transmission errors in received facsimile.  fax2ps attempts
       to recover from such data errors by resynchronizing decoding at the end
       of the current scanline.	 This can  result  in  long  horizontal	 black
       lines in the resultant

       If  the destination printer supports  Level II then it is always faster
       to just send the encoded bitmap generated by the tiff2ps(1) program.

       fax2ps should probably figure out when it is doing a poor job  of  com‐
       pressing the output and just generate
	to image the bitmap raster instead.

       tiff2ps(1), libtiff(3)

       Libtiff library home page: http://www.remotesensing.org/libtiff/

libtiff			       November 2, 2005			     FAX2PS(1)

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