Datamax O'Neil M-Class Mark II DMX-M-4206 Industrial Printer USB/Parallel. Printer has been tested and it powers up and I printed a few test labels. The ink is a little light. I am not the original owner and I do not know the history. Sold As/Is for parts or repair. Please see all the pics. Winning bidder pays $50.00 Shipping. GOOD LUCK!!!!!!!!!!!!