Pentax DSmobile® USB, a portable scanner designed to go hand in hand with your portable computing solution while providing the features and capabilities expected from a desktop scanner. This advanced technology sheet-feed scanner features a unique USB power/data interface, which avoids the need for a battery or an external power adapter. Pentax DSmobile USB – sheetfed scanner – portable – USB Overview – CNET Its small size, USB power, and valuable suite of scanning software make dsmoible a great fit for on-the-road, home or small offices with limited space, too! Amazon.com: scanner calibration sheet - Used. ... Pentax DSmobile USB Portable Scanner. 2.6 out of 5 stars 8. More Buying Choices $29.95 (6 used & new offers) and Accessory Items may include but are not limited to USB Cable, photo sleeves, calibration sheets and cleaning sheets. Except as otherwise provided herein, Brother warrants that the Scanner and the accompanying Consumable and Accessory Items will be free from defects in materials and workmanship, when used under normal conditions.