Patent ID: 6456802
Filing Date: 2002-09-24
Classification: B41J,G03G

Abstract:
A method of identifying a printing medium capacity of a printing medium cartridge, said method comprising:assuming a printing medium capacity of said printing medium cartridge; estimating a printing medium level based on counting printed elements and the assumed printing medium capacity; providing a printing medium level signal indicating when a printing medium in said printing medium cartridge is at a known level; determining the printing medium capacity by comparing the estimated printing medium level based on counting printed elements with the known level of printing medium; and assigning an actual printing medium capacity of said printing medium cartridge, wherein said actual printing medium capacity is different than said assumed printing medium capacity if the estimated printing medium level is different than the known level of printing medium, and wherein said actual printing medium capacity is said assumed printing medium capacity if the estimated printing medium level is approximately the same as the known level of printing medium when said printing medium is level signed is provided.