On 24/12/2011, at 7:34 PM, Peter Harrison wrote:
> The bitmap idea sounds like a good possibility.
>
> As far as I know, the mac print engine is CUPS and I would guess that everything gets fed through an intermediate rendering stage - probably postscript and only then will the driver talk to the printer. Pure conjecture for now.
It is cups, but "rendering" to postscript does not involve turning it into pixels ("rasterising") - postscript is a vector language and your pcb would be described as such. The printer does the actual rasterising
> The printer claims to be able to do 1200 dpi and I know it will be pushing the limits of what might be possible. Yet I recall others claiming to have managed it so I will persist for a while.
For the 5MP I can specify the dpi under "Color/Quality options" in the print dialogue.
PG