Patent ID: 6561611
Filing Date: 2003-05-13
Classification: B41J

Abstract:
A detector unit incorporated in a recording apparatus which comprises:a carriage provided with a recording head and a cartridge holder in which an ink cartridge is detachably held; a record section in which the carriage is reciprocately moved in a main scanning direction to record information onto recording paper; and a paper feeding section for feeding the recording paper into the record section, the detector unit comprising: a paper detection member that detects the recording paper fed into the record section; and at least one of the following detection members: a carriage detection member displaced by the main scanning movement of the carriage; and a cartridge detection member detectably displaced by the main scanning movement of the carriage when the ink cartridge is mounted in the cartridge holder; and a single detector for varying an output signal therefrom in accordance with at least one of the carriage and cartridge detection members and in accordance with the paper detection member to recognize the recording paper and at least one of the carriage, and the ink cartridge.