$form->{format} = $form->{format} || $myconfig{template_format} || "pdf";
$form->{copies} = $form->{copies} || $myconfig{copies} || 3;
$form->{media} = $form->{media} || $myconfig{default_media} || "screen";
- $form->{printer_id} = $form->{printer_id} || $myconfig{default_printer_id} || "";
+ $form->{printer_id} = defined $form->{printer_id} ? $form->{printer_id} :
+ defined $myconfig{default_printer_id} ? $myconfig{default_printer_id} : "";
$form->{PD}{ $form->{formname} } = "selected";
$form->{DF}{ $form->{format} } = "selected";