HP Scanjet Pro 3600 f1. Maximum scan size: 216 x 297 mm, Optical scanning resolution: 1200 x 1200 DPI, ADF scan speed (b/w, A4) : 30 ppm. Scanner type: Flatbed & ADF scanner, Product colour: White. Sensor type: CIS, Daily duty cycle (max) : 3000 pages, Scan file formats: BMP, CSV, DOC, DOCX, JPEG, PDF, PNG, RTF, TIFF, TXT, XLS, XLSX. Maximum ISO A-series paper size: A4, Scanning media types supported: Card stock, Envelopes, Labels, Photo paper, Plain paper, ISO A-series sizes (A0..A9) : A4, A5, A6. USB version: 3.2 Gen 1 (3.1 Gen 1)