Image forming system, non-transitory computer readable medium storing program, and image forming method

A non-transitory computer readable medium storing a program that is executed in an image forming system including an image scanning portion that scans an image formed on a paper and a processor that controls image forming based on a scanned image obtained through scanning of the image scanning portion, the non-transitory computer readable medium storing a program causing the processor to execute a process comprising:

• defining, in an intermediate state in which a reference point of a mark for positional deviation detection is not included in an analysis region set with respect to the scanned image and a part of the mark is included in the analysis region, a temporary position in place of an actual position of the reference point based on the part of the mark;
• and
• correcting an image forming position on the paper based on the temporary position.

An image forming method comprising:

• defining, in an intermediate state in which a reference point of a mark for positional deviation detection is not included in an analysis region set with respect to a scanned image and a part of the mark is included in the analysis region, a temporary position in place of an actual position of the reference point based on the part of the mark;
• and
• correcting an image forming position on a paper based on the temporary position.