Patent ID: 6502916
Filing Date: 2003-01-07
Classification: B41J

Abstract:
An ink jet printing device having a printhead for ejecting ink in the form of ink droplets, an ink cartridge for supplying ink to said printhead, and control means for controlling said printhead in accordance with print data, the ink jet printing device comprising:first storage means for storing data of types of printheads; second storage means, provided on the ink cartridge, for storing data associating a kind of ink contained in said ink cartridge and types of printheads compatible with said ink cartridge, said data being determined and stored in said second storage means before said ink cartridge is inserted into said ink jet printing device; and control means operating such that said control means judges whether or not the ink cartridge is compatible with the printhead on the basis of data read out of said first and second storage means, and causes said ink jet printing device to perform a printing operation when the ink cartridge is compatible with the printhead.