Konica Minolta BIZHUB 164, Руководство по обслуживанию

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9. TO N ER SUPPLY SECTIO N Theory of Operation V er. 1.1 Apr. 2010
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bizhub 164
COMPOSITION/
OPERA
TION
B. T/C recovery sequence B
• This sequence is executed when:
The front cover or right door is opened and closed in a toner empty condition.
Power is turned OFF and O
N in a toner empty condition.
A Toner Supply command is issued.
9.3.4 Detection of toner empty condition
• The main body detects a toner empty condition based on the T/C ratio in the developing
unit.
• After a toner empty condition is detected, the main body enters the T/C recovery mode to
replenish toner.
• If the normal T/C ratio is not recovered even after the T/C recovery sequence is exe-
cuted, a corresponding message is displayed on the control panel and the main body is
brought to a stop.
A0XXT2C510AA
The main motor and toner supply motor are ener-
gized to replenish toner.
Predetermined T/C or more is recovered.
T/C is recovered by 1% or more.
The toner supply motor is deenergized and,
after a predetermined period of time thereaf-
ter, the main motor is deenergized.
The toner supply motor is kept energized for a pre-
determined period of time to replenish the toner.
The main motor and toner supply motor are
deenergized and the toner empty message is
displayed.
T/C is less than the predetermined value.
T/C is not recovered by 1% or more.
The toner supply motor is kept energized for a pre-
determined period of time to replenish the toner.
T/C is less than the predetermined value.
Condition Printing State
T/C 6% or more Enabled N ormal
T/C less than 6% Enabled Toner empty
T/C ratio of less than 4% is detected and a condition of
less than 4% T/C is detected five consecutive times.
Prohibited Toner empty (main body stop)