We offer these technical papers, originally presented as workshops, in a spirit of sharing information. Read the general etch guidelines page first. Photocopied images may be transferred onto metal with heat and the ink will act as a resist to the etchant.
Laser printers use the same heat sensitive ink as photocopiers, and can be used in the same manner.
If you want a high contrast image, do not screen the photographic image. Transfer Film which is an acetate sheet coated with a soft blue finish. This product is used for printing copper circuit boards and is available from sources on the internet. Photocopy the image using the blackest print you can obtain while still maintaining a clear white background. You may have to experiment with various photocopiers.