1. A photosensor chip comprising: a first set of photosensors comprising an edge pixel and an interior pixel; and, a control portion for accepting a first external integration signal, said first external integration signal causing an edge pixel integration signal and an interior pixel integration signal for said first set of photosensors, said control portion comprising: a first signal adjuster effectively altering said first external integration signal to cause said edge pixel integration signal and said interior pixel integration signal for said first set of photosensors.