Image forming apparatus
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Aug 25, 2020
Grant Date -
N/A
app pub date -
Nov 11, 2019
filing date -
Nov 14, 2018
priority date (Note) -
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Abstract
An image forming apparatus including: an image bearing member; a developing member to supply a developer to the image bearing member; and a cleaning member to clean a peripheral surface of the image bearing member in contact with the peripheral surface, wherein a plurality of grooves extend in a circumferential direction on the peripheral surface, and have a width in a generatrix direction of the peripheral surface within a range of at least 0.5 μm and not more than 40 μm, and are formed to be side by side in the generatrix direction; the number of the grooves is at least 20 and not more than 1000 per a width of 1000 μm in the generatrix direction of the peripheral surface; and an average depth (Rvk) of a valley of a projection under a core section of a roughness curve of the peripheral surface is 0.08 μm or less.
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