Patent ID: 7552993
Filing Date: 2009-06-30
Classification: B41J

Abstract:
1. An ink jet printing apparatus having scanning means for scanning a carriage on which a print head can be mounted comprising: feeding unit which feeds a stacked printing medium; conveying unit which conveys the printing medium fed by said feeding unit; preliminary ejecting unit which performs a preliminary ejecting operation in which the print head ejects ink not related to printing to the printing medium; control unit which controls said apparatus so that after said feeding unit starts to feed the printing medium said conveying unit starts to convey the printing medium to a position where printing can be carried out, wherein said control unit controls said apparatus so that a part of period for feeding operation by said feeding unit and a part of period for conveying operation by said conveying unit are overlapped, in an operation from starting the feeding operation to the conveying operation, and so that said preliminary ejecting unit performs the preliminary ejecting operation while the printing medium is conveyed only by said conveying unit after stopping the feeding operation by said feeding unit.