ClassID:

178372

G03G2215/0894 - CPC Classification

Classification description:

Apparatus for electrophotographic processes; Details of powder developing device not concerning the development directly; Arrangements for detecting toner level or concentration in the developing device; Optical detection through a light transmissive window in the developer container wall

Sub-classes:
Recent Application in this class:
#1
20240085822
2024-03-14

IMAGE FORMING APPARATUS

#2
20220206410
2022-06-30

Image forming apparatus having detection of residual toner amount

#3
20220197183
2022-06-23

Toner conveying apparatus having a light transmission portion

#4
20210088932
2021-03-25

Powder storage height detection device and powder replenishing device

#5
20190011854
2019-01-10

Toner collection container and image forming device including the same

#6
20180284681
2018-10-04

Image forming apparatus, and method and computer-readable medium therefor

#7
20170082947
2017-03-23

Electrophotographic image forming apparatus, toner cartridge for the same, imaging cartridge for the same, and method of controlling toner level in developing chamber of the same

#8
20160252872
2016-09-01

Image forming apparatus

#9
20160154338
2016-06-02

Electrophotographic image forming apparatus, toner cartridge for the same, imaging cartridge for the same, and method of controlling toner level in developing chamber of the same

#10
20150355573
2015-12-10

Electrophotographic image forming apparatus, toner cartridge for the same, imaging cartridge for the same, and method of controlling toner level in developing chamber of the same

#11
20140112673
2014-04-24

Fullness detection device, image forming apparatus, and method for controlling fullness detection device

#12
20140079415
2014-03-20

Developing device, process cartridge, and electrophotographic image forming apparatus

#13
20130272727
2013-10-17

Developer accommodating unit with light guide member for detecting remaining toner amount

#14
20120230730
2012-09-13

Image forming apparatus with developer amount detection

#15
20120219307
2012-08-30

Image forming device with cartridge replacement alert system

#16
20120057886
2012-03-08

Developer detection device capable of detecting amount developer in developer accommodating container

#17
20110286754
2011-11-24

Image forming apparatus having dual speed stirring control

#18
20110222873
2011-09-15

Image forming apparatus with developer remainder amount detection feature

#19
20110123205
2011-05-26

Developing device, process cartridge, and image forming apparatus

#20
20100202798
2010-08-12

Image forming apparatus, image forming system, container for developing agent, and method of manufacturing container for developing agent

#21
20100166441
2010-07-01

Image forming apparatus and method for detecting the fullness of waste-toner container

#22
20090269086
2009-10-29

Image forming apparatus and process cartridge

#23
20090116853
2009-05-07

Image-forming device having belt cleaning unit

#24
20090010659
2009-01-08

Image forming apparatus including device for outputting developer remainder amount information

#25
20080317501
2008-12-25

Developer cartridge and developer device for detecting the amount of developer in the developer cartridge

#26
20080317480
2008-12-25

Image forming device and cartridge in which an amount of developer is detectable

#27
20080193167
2008-08-14

Powder container and image forming apparatus

#28
20080080899
2008-04-03

Image forming apparatus and cartridge having optical detection of toner amount

#29
20070196147
2007-08-23

Image forming apparatus with residual toner conveyance feature for improved detection/collection of accumulated residual toner

#30
20060193644
2006-08-31

Image forming apparatus and developer cartridge

#31
20060193643
2006-08-31

Image forming apparatus and detachably mountable developer cartridge

#32
20060140652
2006-06-29

Developer device and image forming apparatus

#33
20060127110
2006-06-15

In-situ optical sensor for measurement of toner concentration

#34
20060093385
2006-05-04

Image forming device and cartridge with developer detection

#35
20060002725
2006-01-05

Developer cartridge and image forming apparatus

#36
20050129420
2005-06-16

Image forming apparatus and toner replenishing method

#37
20050129417
2005-06-16

Image forming device and image forming method

#38
20050117921
2005-06-02

Remaining toner detection apparatus and image forming apparatus provided with same

#39
14975986
2017-04-25

Systems for detecting an axially moveable member within a toner cartridge