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Posted: 2006-09-19T10:59:04-07:00
by magick
Perhaps your printer only prints black-white. In that case add the -monochrome option to your command line.

Posted: 2006-09-19T12:25:21-07:00
by magick
Not sure that the problem is then. We print monochrome PCL periodically to our HP printer and it prints without complaint.

We just tried
  • convert logo: logo.png
    convert logo.png -monochrome logo.pcl
    display logo.pcl
and it displayed without complaint. We're using ImageMagick 6.2.9-6, the current release, and GhostPcl 1.41 (a PCL interpretter).