Title:
画像形成装置およびオゾンフィルターの寿命判断方法
Document Type and Number:
Japanese Patent JP6965558
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To more accurately determine the replacement timing of an ozone filter in an image forming apparatus of an electrophotographic system having a discharge member.SOLUTION: A method for determining the life of an ozone filter includes: calculating, for every execution of a job, a current amount Pi that is a value obtained by integrating the value of a current flowing in a discharge member (value indicating the amount of ozone generated by discharge) by energization time, for each of processes of charging, primary transfer, secondary transfer, and static elimination generating ozone by discharge (S4); summing up the current amounts Pi to obtain the total current amount Pa (S5); determining a value obtained by adding the total current amount Pa to the cumulative current amount Pb as a new cumulative current amount Pb (S6); and when determining that the new cumulative current amount Pb is larger than a threshold th1 ("Yes" in S7), notifying a user of the effect that the replacement timing of an ozone filter is reached due to the end of its life (S9).SELECTED DRAWING: Figure 5
Inventors:
Hideo Yamaki
Application Number:
JP2017089421A
Publication Date:
November 10, 2021
Filing Date:
April 28, 2017
Export Citation:
Assignee:
Konica Minolta Co., Ltd.
International Classes:
G03G15/02; G03G15/14; G03G15/16; G03G21/00
Domestic Patent References:
| JP7104617A | ||||
| JP3186863A | ||||
| JP11052685A | ||||
| JP2010113083A | ||||
| JP2001201920A |
Attorney, Agent or Firm:
Patent business corporation Nakajima intellectual property integrated office
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