Waffletechnology developed for the Epson TM-J9000 Series Check Scanner. Approved by Epson, this cleaning card is the only preventive maintenance cleaning card on the market that can successfully maintain their Check Scanner. The unique design cleans as it transports through the paper path, cleaning the sensitive Magnetic Heads, Lens, transport rollers. This superior cleaning card is embraced by Epson to reduce the opening of the scanners for routine cleaning maintenance.