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Multiple printing works well to get a denser artwork but you trade off resolution and regardless, paper alignment get extremely critical.
Bertho
From: Homebrew_PCBs@yahoogroups.com [mailto:Homebrew_PCBs@yahoogroups.com] On Behalf Of beefyzee@...
Sent: Wednesday, November 06, 2013 03:35
To: Homebrew_PCBs@yahoogroups.com
Subject: [Homebrew_PCBs] Double or triple printing to increase ink density/opaqueness.
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.
I read yesterday about someone modifying his laser so the paper always fed in the same position. As far as my inkjet goes I have no idea what the system is that senses the paper edges, how accurate that sensing is, and how accurate the paper positioning is once it is sensed.
Taking this one step further, has anyone made a cnc plotter style printer with an inkjet. This way the paper could just be fixed in position and could be printed on several times (easier said than done I bet).