Title:
ドラムカートリッジおよび画像形成装置
Document Type and Number:
Japanese Patent JP7264293
Kind Code:
B2
Abstract:
To provide a structure that can reduce the number of terminals in a drum cartridge having a drum memory mounted thereon.SOLUTION: A drum cartridge comprises: a frame to which a plurality of toner cartridges can be attached; a drum circuit board 15; and a switch circuit 34. The drum circuit board 15 has a plurality of body-side terminals 31, a plurality of toner-side terminals 32, and a plurality of trunk lines 33. The plurality of body-side terminals 31 can be electrically connected to an image forming apparatus. The plurality of toner-side terminals 32 can be electrically connected to toner memories included respectively in the plurality of toner cartridges. The plurality of trunk lines 33 connect the body-side terminals 31 and toner-side terminals 32. The switch circuit 34 switches, among the plurality of toner-side terminals 32, a toner-side terminal 32 to be a communication destination according to address signals obtained from the body-side terminals 31.SELECTED DRAWING: Figure 15
Inventors:
Tomoyasu Yabuki
Takashi Suzuki
Tadao Kyotani
Takashi Suzuki
Tadao Kyotani
Application Number:
JP2022030658A
Publication Date:
April 25, 2023
Filing Date:
March 01, 2022
Export Citation:
Assignee:
Brother Industries, Ltd.
International Classes:
G03G15/00; G03G21/18; G03G15/08; G03G21/16
Domestic Patent References:
| JP2003248354A | ||||
| JP2008203566A | ||||
| JP2002351738A | ||||
| JP2009101709A | ||||
| JP2006209038A | ||||
| JP2009237076A | ||||
| JP2014206554A | ||||
| JP2010175619A | ||||
| JP2004045547A | ||||
| JP2003302871A | ||||
| JP2016157070A |
Foreign References:
| WO2010004743A1 |
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