EP 0010375 B1 19830720 - ELECTROSTATOGRAPHIC PROCESSING SYSTEM
Title (en)
ELECTROSTATOGRAPHIC PROCESSING SYSTEM
Publication
Application
Priority
- US 94778678 A 19781002
- US 94791478 A 19781002
- US 94820078 A 19781002
Abstract (en)
[origin: EP0010375A1] An electrostatographic processing system for obtaining enhanced copy quality in which transfer to a support material is effected by a corona generator (48) having an electrode (81) and the developer mixture includes toner particles having a particle size distribution with a median diameter by volume of about 12 microns with not more than 8% preferably 1 to 5% by volume of the particles having a diameter greater than 20 microns and not more than 20%, preferably 0.5 to 13.5%, by number of the particles having a diameter less than 5 microns. For best results the ratio of toner content to carrier is such that there is a solid area reflection optical density of fixed images of about 1.3. Further improvement in copy quality is achieved by also including a bias transfer roll (40) at the transfer station and by utilizing a fuser having a pressure roll in contact with a conformable heated fuser roll.
IPC 1-7
IPC 8 full level
G03G 13/16 (2006.01)
CPC (source: EP)
G03G 13/16 (2013.01)
Designated contracting state (EPC)
DE FR GB
DOCDB simple family (publication)
EP 0010375 A1 19800430; EP 0010375 B1 19830720; DE 2965939 D1 19830825
DOCDB simple family (application)
EP 79302077 A 19791002; DE 2965939 T 19791002