Why is the reported MICR not for the correct check image? It seems to be off by one or two checks.
This was an issue with some CR-180 scanners using an older firmware. It was corrected with firmware version 3.05 or later. You can download the latest firmware at the folowing site:
http://www.usa.canon.com/opd/controller?act=OPDSoftwareAct&fcategoryid=2341&modelid=9468