Misalignments of dot forming positions are adjusted by selectively using a position adjustment value for a used bi-directional print mode out of a plurality of position adjustment values that are respectively suitable for a plurality of bi-directional print modes including a first bi-directional print...http://www.google.de/patents/US20040207674?utm_source=gb-gplus-sharePatent US20040207674 - Adjustment of misalignments of recording positions during bi-directional printing
