Patent ID: 6172765
Filing Date: 2001-01-09
Classification: G06K

Abstract:
A printing system having a host and a printing apparatus in which both a resolution and a number of tones are capable of being changed over, the system comprising:index creating means for creating index information indicating a characteristic of print data;decision means for deciding one of a plurality of printing modes, based upon the characteristic obtained from the index information, wherein the plurality of printing modes include a first printing mode in which it is necessary to lower the resolution when the print data is printed by the printing apparatus and a second printing mode in which it is necessary to lower a number of tones when the print data is printed by the printing apparatus; andcontrol means for causing the print data to be printed at a resolution lower than an original resolution when said decision means decides the first printing mode as the printing mode, and causing the print data to be printed with a number of tones smaller than an original number of tones when said decision means decides the second printing mode as the printing mode.