In a counter apparatus for an image forming apparatus according to the present invention, which counts and manages the number of image forming operations, data which is ultimately written is retrieved from data stored in an EEPROM, and the retrieved data is set in a RAM counter as an initial value. The...http://www.google.fr/patents/US4774544?utm_source=gb-gplus-shareBrevet US4774544 - Counter apparatus for an image forming apparatus for counting and managing the number of image forming operations
Counter apparatus for an image forming apparatus for counting and managing ...
