Canon S400 Reference Manual page 252

Specifications
Printing method:
Bubble Jet on-demand
Printing resolution:
1440 (horizontal) x 720 (vertical) dpi.
Print speed (printing with Canon standard pattern):
Black printing using Black BJ Cartridge BC-30e
Colour printing using Color BJ Cartridge BC-33e
Photo colour printing using Color BJ Cartridge BC-34e Photo
Print direction: Bi-directional
Print width: 203 mm max. (8.0 in.)
Resident print control mode: Canon extended mode
Receive buffer: 128 kB
Fast: 9.0 ppm
Normal: 6.8 ppm
Fast 4.0 ppm
Normal: 2.8 ppm
Normal: 0.25 ppm
Specifications 252