The Umax is a scanner for a PC. There are many scanners out
there, it’s just the one I chose.
The actual image for etching, is related to the output, meaning
a laser printer. I use the scanner to scan the images, and a
laser printer for the toner to act as a resist. Does this make
Here is the post I have replied to a couple of interested people
Briefly, the direct laser method is ironing the paper, image
side down directly onto either copper or brass, with your iron on
high. Let the paper and metal cool completely to the touch.
Soak the metal and paper in water for three minutes. Gently rub
the paper away with your fingers and the image with toner should
Make sure that your metal surface is very clean and scratch
free. Clean metal with 400 grit sandpaper and then swab with
alcohol. This gets rid of any surface grease.
Etch with ferric chloride, image side down and suspended in the
ferric. Do not let it touch the bottom. Fresh ferric should
etch in about 1 to 1.5 hours. – Karen Christians M E T A L W E R
X 416 Main St. Woburn, MA 01801 781/937-3532