HP 8550 Service Manual - Page 26

Advanced copying features (continued): l Frame erase l Image shift l Blind margin l Margin l Auto gradation correction l Color balance l Auto exposure l Sharpness l Auto paper select l Single color l Auto zoom l Image separation l Two-page separation l Mode memory and recall l Heavy-sheet original l Framing/blanking l Image creation l Image combination Specifications Speed Table 1. First copy time (in seconds*) Type Plain paper Thick paper Transparency Size A4, Letter A4, Letter A4, Letter 4-color 34 50 57 Mono-color 18 35 41 *Times shown assume A4-size media, direct copy using cassette 1, face-up delivery, and no pre-scanning; for face-down delivery, add three seconds for plain paper, six seconds for thick paper, and seven seconds for transparencies. Table 2. Copying speed (pages per minute) Plain paper Source Cassette Multifeeder Thick paper Multifeeder Transparency Multifeeder Size A3, B4, A4R, B5, 11 by 17, Legal, Letter A4/LTR A3/11 by 17 A4/LTR A4/LTR 4-color 3 ppm 6 ppm 1.2 ppm 2.4 ppm 2.1 ppm Mono-color 12 ppm 24 ppm 1.7 ppm 3.4 ppm 2.8 ppm 24 Chapter 1 - Product information EN