TL-550U

Print speed 33ppm (A4) / 35ppm (Letter)
Resolution (DPI) copy:600×600 dpi(Max), Scan:Flatbed 1200x1200dpi(Max)/ADF 600x600dpi(Max)
Frist print out time Less than 8.2s
Max monthly volume 60000 pages Processor Speed 600MHz Memory 256MB
Copy Speed 33ppm (A4) / 35ppm (Letter) Scan speed 24ppm(A4)/25ppm(Letter)
Fax Memory 650pages Modem speed 33.6kbps
Paper input tray 250pages Paper output tray150pages(A4/70g)

Print speed 22ppm (A4) / 23ppm (Letter)
Resolution (DPI) 1200x1200dpi (print,copy,scan) / ADF
Frist print out time Less than 7.8 seconds Duplex mode Manual
Processor Speed600MHz Memory128MB Input Tray 250 pages
Output Capacity150 pages Max. Monthly volume 20,000 pages
Connectivity Hi-speed USB 2.0 Net : IEEE802.3 10/100 Base – TX
WIFI : IEEE 802.11 b/g/n

44PPM 4 IN1 Frist print out time Ready : 6.0s Sleep:9.0s
Max monthly volume 2,000-15,000 pages
Processor Speed 1Ghz Memory 1GB/1GB
Copy Speed 44ppm/46ppm|Double:32spm/23spm
Scan speed 42ppm/45ppm|Double:20spm/20spm
Modem Speed Less than 3s/pages;33.6kbps Quick Dial 500
Paper input tray 250pages Paper output tray 150pages