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US 2022/0066338 A1Published application
Two-component developer, developing device, and image forming device
AssigneeSharp Kabushiki Kaisha
InventorsMaiko NAGAOKA, YORITAKA TSUBAKI, TAKESHI KATOH, KEIICHI KIKAWA
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Abstract
A two-component developer 100 includes a carrier 200 and a toner 300. The carrier 200 satisfies the relationships 100≤α≤220 and 300≤β≤480 when a voltage is applied in 1 V steps by a bridge resistance measurement method, where α (V) is a carrier voltage value obtained when a current value flowing through the carrier 200 reaches 1.0−7 (A), and β (V) is a carrier voltage value obtained when the current value reaches 1.0−5 (A).
Claims8
A two-component developer including:
- a carrier provided with a carrier core material, and a coating layer covering the carrier core material;
- and
- a toner;
- wherein
- the carrier satisfies the relationships 100≤α≤220 and 300≤β≤480 when a voltage is applied in 1 V steps by a bridge resistance measurement method, where α (V) is a carrier voltage value obtained when a current value flowing through the carrier reaches 1.0−7 (A), and β (V) is a carrier voltage value obtained when the current value reaches 1.0−5 (A).
2 more elements
Dependencies are inferred from the claim text.