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Re: [Homebrew_PCBs] Best printer for getting opaque prints for UV photomasks?

2007-12-25 by Iman Habib

Ok, so the way to go seems to be inkprinters nowadays.
What kind of transparencies works best with these printers?
Do the printouts have a long settling/dry-time?

//iman

On Dec 25, 2007 10:40 AM, Markus Zingg <homebrew-pcb@...> wrote:
>
>
>
>
>
>
> Forgett lasers for this purpose, these days, get a Canon Pixma 4300. An
>  alternative some time ago was the Epson Stylus C62 (set to premium
>  glossy photo paper quality), but it's no longer available. This way
>  traces down to 0.15mm are realistic and reproduceable and since no heat
>  is involved, distortion is no issue or if still present, linear and you
>  can compensate for it with something like CorellDraw etc.
>
>  Markus
>
>  pixelpajas schrieb:
>
>  >
>  > Hi,
>  >
>  > Currently I'm are using a Laserjet 1100 for my photomasks as it prints
>  > really opaque black prints well on OHP transparencies. However when
>  > the lines become to thin (<0.35mm) small holes start to appear at
>  > random along the lines. This forces med to spend way to much time
>  > covering the holes with a marker pen.
>  >
>  > Another problem is that the printer distorts larger PCB designs to
>  > such an extent that i becomes impossible to align large double sided
>  > PCB's. I could deal with the distortion if it was linear on both sides
>  > but the elongation of the y axis due to heat up of OHP transparencies
>  > is unfortunetely somewhat different on the sides. I could probably buy
>  > some thick tracing paper to avoid some of the distortion. But i would
>  > rather find a new good printer that just works with transparencies (if
>  > at all possible).
>  >
>  > So are there any recommendations on laser printers that have worked
>  > well for you guys?
>  >
>  > Cheers
>  > //Iman
>  >
>  >
>
>

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