In an ink jet printer of the present invention, in order to reduce the manufacturing cost, an inexpensive EEPROM enabling only sequential accesses is applied for storage elements incorporated in a black ink cartridge and a color ink cartridge. The data array of a memory cell included in each of the storage...http://www.google.com.au/patents/US7195346?utm_source=gb-gplus-sharePatent US7195346 - Ink cartridge and printer using the same
