93Transparency UnitThe transparency unit (B813182) allows you to scan transparent materials—35 mmslides, filmstrips, and film up to 8.5 × 11.7 inches (216 × 297 mm) in size. To switchbetween scanning transparent materials and normal reflective (paper) documents,simply insert or remove the reflective document mat that came with the unit. Forinstructions on using the reflective document mat, see “Scanning ReflectiveDocuments” on page 101.