Image forming apparatus with forced supply mode for forcedly supplying toner
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United States of America Patent
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Jan 31, 2017
Issued Date -
N/A
app pub date -
Nov 30, 2015
filing date -
Dec 12, 2014
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
An image forming apparatus includes an image bearing member, a developing device, a supplying device, and a controller. The controller can execute a normal supply mode and a forced supply mode on the basis of a difference between a toner supply amount in the normal supply mode and a supply amount of the toner to be supplied to the developing device. In a case where the flag is set when a predetermined time is elapsed after the difference exceeds the predetermined threshold, image formation is effected and then interrupted, and then the controller executes the operation in the forced supply mode, and in a case where the flag is reset when the predetermined time is elapsed after the difference exceeds the predetermined threshold, the image formation is effected and then said controller continues an image forming operation without executing the operation in the forced supply mode.
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Family
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Cited Art Landscape
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