Patent ID: 6318834
Filing Date: 2001-11-20
Classification: B41J

Abstract:
An ink jet recording apparatus for recording by using a replaceable ink cartridge mounted therein, comprising:a recording head for delivering ink therefrom;cleaning means for carrying out cleaning of said recording head by sucking ink therefrom;cartridge absence time-detecting means for detecting a cartridge absence time period over which continues a cartridge-unmounted state of said ink jet recording apparatus in which said ink cartridge is removed from said ink jet recording apparatus; andsuction amount-setting means for setting an amount of ink to be sucked for said cleaning, based on said cartridge absence time period, when said ink cartridge is mounted in said ink jet recording apparatus, said suction amount-setting means including storage means for storing predetermined values of said amount of ink to be sucked corresponding respectively to predetermined time periods to be detected as said cartridge absence time period.