Original reading apparatus with light source switching without a switching circuit

摘要

An original reading apparatus includes: a line sensor having first and second sensor arrays each composed of a plurality of light receiving elements; a first optical filter disposed on the light incident side of the first sensor array; a second optical filter disposed on the light incident side of the second sensor array, the second optical filter being complementary in color to the first optical filter; a first light source which turns on and off during one line scan of an original; a second light source which is continually turned on until an original scanning is completed.