Help. CUPS doesn't print pdf visible signature

[Helge Blischke]

Donatas wrote:

> Hello,
> 
> I have problems printing signed pdf files. I use JSignPDF to sign the pdf
> file with provided e-signature. Also I place visible signature to be seen
> on hard copy. I had no problems with Windows, but now started to use MAC.
> When I open document with Adobe Reader, I see visible signature and can
> print the hard copy with no problems. But I need to do printing from CLI
> with perl script. When I print the same pdf file with lp or lpr command, I
> get the hard copy without visible signature. All other information is ok.
> Also MAC Preview shows document without visible signature. I tried to
> convert pdf file into ps with pdf2ps. PostScript file shows the signature.
> Only the document quality is not the same and is shifted according to the
> paper position. But maybe I don't know all the options. So my question is
> if it's possible to print the visible signature without converting pdf
> document into ps in MAC. CUPS version is 1.4.6

If you happen to have (or compile) Ghostscript version 9.01 or 9.02 (the 
current stable), you could try the ps2ps2 utility instead. It generates 
level2 PostScript and usually does not convert glyphs to bitmaps.

Helge