Maximum height on the automatic fax print option
extra blank page printed with the "Automatically print received faxes" enabled.
in some cases removing the -H parameter from "/var/spool/hylafax/etc/dispatch/90print" resolve the problem.
The script "/var/spool/hylafax/etc/dispatch/90print" is not a template and the parameter, according to tiff2pdf manual force the height of the printed page:
" -H Specify the maximum height of image (in inches). Images with larger sizes will be split in several pages. Option -L may be used for specifying size of split
The default value is 11.90" more than the A4 format "8.27 x 11.7" (http://en.wikipedia.org/wiki/Paper_size).
I think that this value must be reduced a bit or just removed.