Developing unit having a preheating apparatus

Details Developing unit having a preheating apparatus Developing unit having a preheating apparatus

1997-08-08

1999-08-10

Lee, S.

Electrophotography

Control of electrophotography process

Having temperature or humidity detection

G03G 1500

Patent

active

059372265

ABSTRACT:
A developing unit having a preheating apparatus capable of ensuring good quality of printing by providing a preheating apparatus inside of a developing unit which stores a toner and maintains the toner at a predetermined temperature and humidity, includes: a toner storage unit for storing toner; a toner supply roller for supplying the toner; a photoconductive unit; a developing roller for transmitting the toner supplied by the toner supply roller to an electrostatic latent image formed on a surface of the photoconductive unit; a main body having the toner storage unit, the toner supply roller, the developing roller and the photoconductive unit; and a preheating unit disposed inside of the toner storage unit for properly maintaining the temperature of the toner.

REFERENCES:
patent: T956001 (1977-03-01), Kasper et al.
patent: 4027621 (1977-06-01), Kane et al.
patent: 5066988 (1991-11-01), Miyake
patent: 5247334 (1993-09-01), Miyakawa et al.
patent: 5436104 (1995-07-01), Yasuda et al.
patent: 5574547 (1996-11-01), Denton et al.
patent: 5832332 (1998-11-01), Sugiura
patent: 5862433 (1999-01-01), Regelsberger et al.

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