ELECTROPHOTOGRAPHIC DEVELOPING DEVICE OF PRINTER

摘要

PURPOSE: An electrophotographic developing device of a printer is provided to improve a quality of an image by removing wet and stabilizing the temperature around a developing roller. CONSTITUTION: An electrophotographic developing device includes a developing unit(140), a photosensitive unit(150), a first housing(110), and a second housing(130). The developing unit(140) includes a feeding roller(141) and a developing roller(142). The photosensitive unit(150) includes a photosensitive drum(151) and an electrification roller(152). A receiving chamber(110a) is formed in the first housing(110). The second housing(130) is communicated with the first housing(110). A sensor(180) is provided at an inner wall of the second housing(130) in order to detect moisture and temperature in the second housing(130). A heater(171) is provided in the developing roller(142).