The usual way is to print a 100x100mm square, then measure it.? Suppose you measure it at 101mm, your scaling factor becomes 100/101, or 99%.
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If the software can¡¯t do it then the print dialog has a ¡°Scale¡± entry, so you¡¯d type in 99%, print it and measure again.
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If like most people you¡¯re laying things out on a 0.1¡± grid (even us metric folk do that), a quick dummy check is you grab a 40 pin header and put it up against the component holes and see if it matches up.
On Mon, Aug 26, 2024 at 7:12?PM Morris Odell via <vilgotch1=[email protected]> wrote:
Hi again Clark,
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I calibrated the printer by printing successive images on plain paper with different cal factors and measuring them until I got it right. A bit wasteful of paper but better that using anything more expensive. Also I had the printer set for A4 paper. I think US Letter will give a different image size again and will require a different cal factor. The printer is a Brother MFC-L8690
