Have to check my notes, but I think acetone works well, but isopropyl alcohol does not.
At 07:18 PM 4/21/2014, you wrote:
Hi Mark,
Very interesting!!! I 'll try that too. Gnd the pcb etc.
Also wipe down the PCB with acetone and let
dry( ~ a minute or less ) prior to running it in the printer.
-Lee Studley