Nice, Quick Overview on Making Your Own Printed Circuit Boards Using a Laserjet Printer

FYI, this is basically a standard etching method, it’s just that they transferr the layout to the copper using “toner transfer”–i.e., a laser-jet printed copy of the circuit layout and a hot iron–instead of mucking around with photo-emulsion or tracing or what have you. Nifty!
Make Your Own Printed Circuit Boards on a Laserjet! – YouTube

*thank trek!*