Scan to PDF Print, copy, scan Print speed up to 21 ppm (black) Up to 600 x 600 x 2 dpi HP Neverstop Laser Technology Printing Time to first page (black, normal) 8.5 s Warm-up time 16 s Print speed (black, normal quality, A4/US Letter) 20 ppm Print resolution black 600 x 600 DPI Maximum resolution 600 x 600 DPI Duplex printing mode Manual Duplex printing Yes Printing Mono printing Print technology Laser Copying Auto fit function Yes ID-card copy function Yes Copier resize 25 - 400% Maximum number of copies 99 copies Time to first copy (black, normal) 11.6 s Copy speed (black, normal quality, A4) 20 cpm Maximum copy resolution 600 x 600 DPI Duplex copying Yes Copying Mono copying Scanning Scan drivers TWAIN Greyscale levels 256 Input colour depth 24 bit Document formats supported PDF Image formats supported BMP, JPG, PNG, RAW, TIFF Scan technology D-CIS Scanner type Flatbed scanner Maximum scan area 216 x 297 mm Optical scanning resolution 600 x 600 DPI Duplex scanning No Scanning Colour