Homebrew PCBs

Hi Len,

Thanks for the answer, no wonder I was not getting the results. I will try with the methods you suggested,  laser transparency film, inkjet paper, mag paper.

The last time I tried with the transparency, image really became skewed at one end. Drawing was in perfect rectangle, but printout was not, I think it was because of transparency not being Laser transparency. 

regards,
Parag

Len Warner <novost@...> wrote:                               At 11:41 pm ((PDT)) Sat Sep 1, 2007, in Digest 2273 Mr Crazy wrote:
 >Does any one know if OHP film, Transperancy
 
 'transperancy' is presumably a mis-spelling of 'transparency'
 
 'OHP Film' and 'transparency film' are probably synonymous
 in this context, though 'transparency film' has a quite different
 meaning in the context of silver-emulsion photography.
 
 >and Acetate Films are the same or all are different?
 
 'acetate film' is a subset of OHP film and is likely to be
 unsuitable for toner transfer (TT) because it is likely to melt
 in the laser printer fuser and occasion an expensive repair.
 
 >Which is the best for Toner Transfer?
 
 None of these terms is an adequate specification for TT.
 
 You need a film which is safe against laser fuser temperature,
 so you need either a laser transparency film or a laser-safe
 inkjet transparency film.
 
 If, indeed, you need a _transparency_ film for TT at all,
 since the purpose is not projection of the image but
 mechanical transfer of the toner medium.
 
 Note that many people are using inkjet printer _paper_.
 
 The reason for this is that the structure of some papers includes
 a layer which separates in water, allowing the paper to be peeled
 from the toner image. In others, the backing paper disintegrates
 on soaking and can be removed with mechanical encouragement.
 
 Some magazine and catalogue paper is coated and separates
 in water so this provides a very cheap source which for many
 people gives satisfactory results, though you will have to
 experiment until you find ones which work for you.
 
 If you look in the group archives you will find plenty of discussion
 on these topics.
 
 Regards, LenW 
 
 
     
                               

       
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