> I worked for Rank-Xerox UK many years ago.
>
> Xerox's first copier was a manually operated 'flat bed' copier,
with a
> photoreceptor plate. The plate
> was charged, then exposed to the image. The image on the plate was
then
> developed
> by cascading developer and toner over it, the toner image on the
plate was
> then transferred
> onto paper and passed through a fuser (a simple radiant heater).
>
> Even when automatic copiers like the 914 and 813 were developed
the flat bed
> machines were still popular for certain jobs, like making
prototype PCBs.
> Instead of transferring the toner image onto paper, the image on
the plate
> was transferred directly to the copper surface of a PCB. It was
then passed
> through the fuser and then etched. I saw some PCBs made using this
technique
> and they were quite good by the standards at the time. I kept
meaning to try
> it for myself, but never got round to it.
>
> Leon
> --
> Leon Heller, G1HSM
> Email: aqzf13@d...
> My low-cost Philips LPC210x ARM development system:
> http://www.geocities.com/leon_heller/lpc2104.html
Hi Leon.
This fascinates me. I too tried to run a PCB straight through the
office laser printer (yes, trying to get them to buy a new one)... I
found that the toner didn't stick to the copper...of course, no
charge would mean the toner particles wouldn't cling to it.
So are these older Xerox copiers still available? Do they require a
bunch of now hard to find supplies to operate?
Thanks
-Josh