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Subject: Re: [Homebrew_PCBs] Printing large PCB layout for toner transfer on A4 printer

From: Andrew Leech <coronasensei@...>
Date: 2011-05-28

On 28/05/2011, at 1:21 AM, David C. Partridge wrote:

> OK I'm up against it here. I have a PCB design that is well over 14" long, and the drivers for my HP 4050 refuse to accept any custom paper size over 14" long for some reason.
>
> So am I out of luck here or is there a way to work round this (apart from finding the space for an A3 or roll paper laser printer - if such exist).
>
> Thanks
> Dave
>
>

What kind of pitch track work are we talking about? I'd think it shouldn't be too hard to print it in a couple of panels, with some alignment marks in corners, and overlay the pages (taped together with masking tape) as you go through laminator. As long as you're careful trimming the edge of the bottom sheet to the edge of the panel, you should be able to get them pretty well lined up. Then the good old sharpie to fix the small gaps between pages. Probably best to trim both pages so they can butt together, if one page is on top of the other it'll not squash completely flat I reckon, so will leave small gaps between sheets.

Is this a double sided board? I've had problems in the past with large double sided boards, as my printer obviously has some slight stretching in the long direction, which isn't always 100% consistent on different prints, did run into each side transfers not always lining up perfectly.

Andrew
> __,_._


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