man edit-faxcover (Commandes) - edit faxcover.ps

NAME

edit-faxcover - edit faxcover.ps

edit-faxcover [ options ]

edit-faxcover Edits the 10 header lines of the cover page document.

--with-LINEx=string: Set variable LINEx where x is 1-10 to be the contents of "string". Warning null strings will not blank out existing lines. Use --with-LINE1=" " to blank out line 1 (actually it'll be a single space)
--with-FAXCOVER=ARG: Edit some other faxcover.ps file The faxcover template file can also be specified by setting the FAXCOVER environment variable.
--help: print this message.
--nointeractive: do not prompt for input [INTERACTIVE=no]
--quiet: do not print messages
--verbose: opposite of -quiet

Complaints about not being able to locate/write a template file.

/etc/hylafax/faxcover.ps default cover page template

null strings will not blank out existing lines.