Patent ID: 6412899
Filing Date: 2002-07-02
Classification: B41J

Abstract:
An ink jet printer having a detector device for detecting an ink cartridge, said ink jet printer comprising:a carriage slidably mounted along a carriage path in said ink jet printer, said carriage having a first blade projecting towards a base of said ink jet printer; said ink cartridge mountable in said carriage, said ink cartridge having a second blade projecting towards said base, said second blade coplanar with said first blade and spaced therefrom by a predetermined distance; a sensor mounted along said carriage path, said sensor sending a detection-signal to a controller when a one of said carriage and said ink cartridge is detected; said controller receiving said detection-signal and adapted to generate an error-signal when one and only one said detection-signal is received after said carriage has moved a predetermined distance.