Patent ID: 7729624
Filing Date: 2010-06-01
Classification: G03G

Abstract:
1. A method for transport of toner material in an electrophotographic printer or copier, comprising the steps of: transporting toner material from a supply reservoir into a developer station after an under-run of a lower first limit value by a first toner material quantity present in said developer station; transporting toner material from a transport reservoir into said supply reservoir after an under-run of a lower second limit value of a second toner material quantity present in said supply reservoir; detecting and storing at least a quantity of said toner material transported from said supply reservoir to said developer station when said lower second limit value is under-run; and associating said detected and stored toner material quantity with said transport reservoir from which said toner material is extracted to fill said supply reservoir after said under-run of said second limit value, said associating lasting at least until said lower second limit value is reached.