18 Purpose and scope Software Technical Reference Models Memory Speed Connectivity Paper handling Resolution and print cartridge dtns model • 64 MB RAM, expandable to 416 MB (4200 series) • 80 MB RAM, expandable to 416 MB (4300 series) • 35 ppm letter-size media; 34 ppm A4- size media (4200 series) • 45 ppm letter-size media; 44 ppm A4- size media (4300 series) • Parallel connection • HP Jetdirect 10/100Base-TX print server card for network connection • one 100-sheet multipurpose tray (tray 1); maximum paper size , legal (216 mm by 356 mm, 8.5 by 14 inches) • two 500-sheet trays (trays 2 and 3); maximum paper size, legal (216 mm by 356 mm, 8.5 by 14 inches) • duplexing unit for automatic two-sided printing • 500-sheet stacker output accessory • optional HCI 1,500-sheet tray* • 1200 dpi ProRes/600 dpi dual-beam scanner • 12,000-page print cartridge (4200 series) • 18,000-page print cartridge (4300 series) dtnsl model • 64 MB RAM, expandable to 416 MB (4200 series) • 80 MB RAM, expandable to 416 MB (4300 series) • 35 ppm letter-size media; 34 ppm A4- size media (4200 series) • 45 ppm letter-size media; 44 ppm A4- size media (4300 series) • Parallel connection • HP Jetdirect 10/100Base-TX print server card for network connection • one 100-sheet multipurpose tray (tray 1); maximum paper size, legal (216 mm by 356 mm, 8.5 by 14 inches) • two 500-sheet trays (trays 2 and 3); maximum paper size, legal (216 mm by 356 mm, 8.5 by 14 inches) • duplexing unit for automatic two-sided printing • 500-sheet stapler/stacker output accessory • optional HCI 1,500-sheet tray* • 1200 dpi ProRes/600 dpi dual-beam scanner • 12,000-page print cartridge (4200 series) • 18,000-page print cartridge (4300 series)