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> Keith wrote:> Has anyone ever simply refed an already printed photo> positive transparency to print a second and even a third> time, in order to double/triple the density of the ink, thus> increasing opaqueness.
> <SNIP>
For a laser printer it is only the large black areas that have opacity problems and need over printing.
Don't double print thin traces.
Shrink ground/power planes by a little bit more than your average misalignment.
Only print the ground/power planes on the 2nd/3rd run
Expect an occasional wildly different feed position to ruin a print.
Inkjets (for me at least) don't have an opacity problem.