[reportlab-users] Printing problems

[Mark Saward]

Hi,

Thanks for all your suggestions, it has helped.  I will be looking more over 
this in the next few days to see what can be done.

Thanks,
Mark

On Saturday 17 September 2005 7:40, Andy Robinson wrote:
> The other useful tip I can offer is to have a "calibration page" which
> would explain this and have "rulers" to get it right in one go.
>
> We are flat out in the reportlab office this month, but if anyone  want to
> have a go I would happily check it in to our library. Ideally you would be
> able to run a script for blank page, or use a function to overdraw a page
> of your one.   If no one gets there first then Oualid should be able to do
> this around end September.
>
>
> Thanks,
>
> Andy
> -----Original Message-----
> From: Tim Roberts <timr at probo.com>
> Date: Fri, 16 Sep 2005 12:39:25
> To:reportlab-users at reportlab.com
> Subject: RE: [reportlab-users] Printing problems
>
> On Fri, 16 Sep 2005 09:55:54 +0100, "Andy Robinson" <andy at reportlab.com>
>
> wrote:
> >Some of our users proved this a few years ago.  Essentially
> >cheaper inkjets tend to need a 'y shift' and 'y scale' correction
> >for each printer.  More expensive workgroup printers used by
> >design professionals can be trusted because the manufacturers
> >known accuracy is expected.  (And it explains why I always had
> >trouble with Christmas card labels in my youth...).
> >
> >Write your app with dx and dy parameters set to 0, and scalex/scaley
> >to 1.0, somewhere at the top of the script.  When you start each
> >page use the canvas scale/translate operators once.  Then you
> >can write something 'pure', and globally adjust it on 2-3 tries
> >on a new printer.
>
> For what it's worth, I also struggled with this problem when generating
> labels from a web page.  They print perfectly on my own printer, but
> were offset in Y on other printers.  I finally had to break down and add
> an "Enter top margin:" option.  I had people send me a sample printout,
> and I would tell them what value to use.  They just had to remember to
> do it the same way every time.
>
> I suppose if I were a real man, I would have stored it in a cookie...