CORRECTION METHOD, LIGHT SOURCE APPARATUS, PROGRAM, RECORDING MEDIUM, OPTICAL SCANNING APPARATUS, IMAGE FORMING DEVICE, TESTING DEVICE, AND TEST METHOD

摘要

PROBLEM TO BE SOLVED: To individually correct, with high accuracy, a drive current of each light emission part of laser array which has a plurality of light emission parts. SOLUTION: After turning on all light emission parts in a plurality of light emission parts and determining a total optical output Pt, one light emission part out of a plurality of light emission parts is turned off (step S427) to determine an optical output Ptd as a total output of all light emission parts except one light emission part (step S429). The optical output of one light emission part under the environment where almost all lights in a two dimensional array are turned on can be determined this way. Then, based on the difference between the optical output Pt and the optical output Ptd and the slope efficiency of one light emission part, a compensation valueΔIon of drive current in one light emission part is obtained (Step S433). With the compensation valueΔIon, the drive current in one light emission part can be corrected in accordance with the condition of actual operation. COPYRIGHT: (C)2009,JPO&INPIT