TL-550U

Print speed 33ppm (A4) / 35ppm (Letter)
Resolution (DPI) 1200x1200dpi (Max)
Frist print out time Less than 8.5 seconds Duplex mode Auto
Processor Speed 600MHz Memory 256MB Input Tray 250 pages
Output Capacity 150 pages Display 2 Line LCD
Optional tray Yes (500*2 pages)

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

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)