JP2019028190A5 - - Google Patents
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- JP2019028190A5 JP2019028190A5 JP2017145976A JP2017145976A JP2019028190A5 JP 2019028190 A5 JP2019028190 A5 JP 2019028190A5 JP 2017145976 A JP2017145976 A JP 2017145976A JP 2017145976 A JP2017145976 A JP 2017145976A JP 2019028190 A5 JP2019028190 A5 JP 2019028190A5
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- JP
- Japan
- Prior art keywords
- image forming
- fixing
- heating element
- forming apparatus
- temperature
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000010438 heat treatment Methods 0.000 claims description 10
- 230000001186 cumulative Effects 0.000 claims description 4
- 238000001514 detection method Methods 0.000 description 1
Description
本発明は、記録材にトナー像を形成する画像形成部と、筒状の定着フィルムと、前記定着フィルムの内面に接触する加熱体と、前記定着フィルムを介して前記加熱体と共に定着ニップ部を形成するローラと、前記加熱体の温度を検知する温度検知素子と、を有し、前記定着ニップ部で記録材を挟持搬送しつつ記録材上に形成されたトナー像を記録材に定着する定着ユニットと、制御部と、を有する画像形成装置において、前記加熱体の温度を立ち上げる時、前記加熱体の温度が所定温度に到達するまでの時間を検知する検知手段を有し、前記制御部は、前記定着ユニットの累積使用量が初期の時の前記時間に対して、前記累積使用量が増加した時の前記時間が、閾値より長くなった時、前記定着ユニットの寿命と判断することを特徴とする。 In the present invention, an image forming portion for forming a toner image on a recording material, a tubular fixing film, a heating element in contact with the inner surface of the fixing film, and a fixing nip portion together with the heating element via the fixing film. It has a roller to be formed and a temperature detecting element for detecting the temperature of the heating element, and the fixing nip portion sandwiches and conveys the recording material while fixing the toner image formed on the recording material to the recording material. In an image forming apparatus having a unit and a control unit, when the temperature of the heating element is raised, the control unit has a detection means for detecting the time until the temperature of the heating element reaches a predetermined temperature. Determines that the life of the fixing unit is determined when the time when the cumulative usage increases is longer than the threshold value with respect to the time when the cumulative usage of the fixing unit is initial. It is a feature.
Claims (3)
筒状の定着フィルムと、前記定着フィルムの内面に接触する加熱体と、前記定着フィルムを介して前記加熱体と共に定着ニップ部を形成するローラと、前記加熱体の温度を検知する温度検知素子と、を有し、前記定着ニップ部で記録材を挟持搬送しつつ記録材上に形成されたトナー像を記録材に定着する定着ユニットと、
制御部と、
を有する画像形成装置において、
前記加熱体の温度を立ち上げる時、前記加熱体の温度が所定温度に到達するまでの時間を検知する検知手段を有し、
前記制御部は、前記定着ユニットの累積使用量が初期の時の前記時間に対して、前記累積使用量が増加した時の前記時間が、閾値より長くなった時、前記定着ユニットの寿命と判断することを特徴とする画像形成装置。 An image forming part that forms a toner image on the recording material,
A tubular fixing film, a heating element that contacts the inner surface of the fixing film, a roller that forms a fixing nip with the heating element via the fixing film, and a temperature detecting element that detects the temperature of the heating element. A fixing unit that fixes the toner image formed on the recording material to the recording material while sandwiching and transporting the recording material at the fixing nip portion.
Control unit and
In the image forming apparatus having
When the temperature of the heating element is raised, it has a detecting means for detecting the time until the temperature of the heating element reaches a predetermined temperature.
The control unit determines that the life of the fixing unit is long when the time when the cumulative usage increases is longer than the threshold value with respect to the time when the cumulative usage of the fixing unit is initial. An image forming apparatus characterized by
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2017145976A JP7046520B2 (en) | 2017-07-28 | 2017-07-28 | Fixing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2017145976A JP7046520B2 (en) | 2017-07-28 | 2017-07-28 | Fixing device |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2019028190A JP2019028190A (en) | 2019-02-21 |
| JP2019028190A5 true JP2019028190A5 (en) | 2020-09-10 |
| JP7046520B2 JP7046520B2 (en) | 2022-04-04 |
Family
ID=65476145
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2017145976A Active JP7046520B2 (en) | 2017-07-28 | 2017-07-28 | Fixing device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP7046520B2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7179937B1 (en) | 2021-08-31 | 2022-11-29 | キヤノン株式会社 | Image heating device and image forming device |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1010918A (en) * | 1996-06-20 | 1998-01-16 | Canon Inc | Image forming device |
| JP2005338698A (en) | 2004-05-31 | 2005-12-08 | Canon Inc | Image forming device |
| JP2014186119A (en) | 2013-03-22 | 2014-10-02 | Brother Ind Ltd | Image forming apparatus |
| US9639038B1 (en) | 2015-12-31 | 2017-05-02 | Lexmark International, Inc. | Power management and control for a fuser of an electrophotographic imaging device |
-
2017
- 2017-07-28 JP JP2017145976A patent/JP7046520B2/en active Active
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