DEVELOPING APPARATUS, PROCESS CARTRIDGE, AND IMAGE-FORMING APPARATUS
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United States of America Patent
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Issued Date -
Aug 29, 2024
app pub date -
Apr 3, 2024
filing date -
Oct 7, 2021
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Abstract
A contact member that comes into contact with a surface of a developer carrier has a volume resistivity of 1014 ohm·cm or less, and a developer satisfies the following conditions: a rotating member and the contact member have a resistance value of 1.0×104 ohms or less, and a first resistance value ranges from 1.0×105 ohms to 1.0×108 ohms as measured in a state where the rotating member is stopped and the developer is located between the rotating member and the contact member, and a second resistance value is in the range of the first resistance value and is 40% or more with respect to the first resistance value, as measured in a state where the rotating member is rotated at 200 mm/s with respect to the contact member and the developer is located between the rotating member and the contact member.
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