Image forming apparatus having a compressor that outputs air to separate a sheet from a fixing roller
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United States of America Patent
Stats
-
Mar 12, 2019
Grant Date -
Feb 1, 2018
app pub date -
Jul 6, 2017
filing date -
Jul 28, 2016
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
An image forming apparatus includes an image forming unit that forms a toner image, a transfer portion that transfers the toner image onto a sheet, and a fixing unit that fixes the toner image to the sheet. A compressor outputs air based on a drive current supplied from a power source, and a detection portion detects the drive current. An ejection portion ejects the air output from the compressor, and a pipe supplies the air output from the compressor to the ejection portion. In addition, a determination unit determines a characteristic expression indicating a relationship between the drive current and an air pressure of the air based on a first detection result obtained by the detection portion when the air pressure is adjusted to a first predetermined value and a second detection result obtained by the detection portion when the air pressure is adjusted to a second predetermined value.
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