The CD-S501 is ideally suited for point of sale applications that require monochromatic one, two, or three-ply receipts. This robust, impact printer features the latest technological advances including; drop in paper loading, compact design, logic seeking head, built-in programmable buzzer, and ESC/POS compatibility. The CD-S501 is powered by an external AC adapter. The CD-S501 can also be wall mounted and is ideal for kitchen slips, delivery slips, coupons, tickets, receipts, or daily reports.