JPS6347368U - - Google Patents

Info

Publication number
JPS6347368U
JPS6347368U JP14138386U JP14138386U JPS6347368U JP S6347368 U JPS6347368 U JP S6347368U JP 14138386 U JP14138386 U JP 14138386U JP 14138386 U JP14138386 U JP 14138386U JP S6347368 U JPS6347368 U JP S6347368U
Authority
JP
Japan
Prior art keywords
power source
pressure roller
fixing device
static elimination
charge
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.)
Granted
Application number
JP14138386U
Other languages
Japanese (ja)
Other versions
JPH0544834Y2 (en
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP1986141383U priority Critical patent/JPH0544834Y2/ja
Publication of JPS6347368U publication Critical patent/JPS6347368U/ja
Application granted granted Critical
Publication of JPH0544834Y2 publication Critical patent/JPH0544834Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Description

【図面の簡単な説明】[Brief explanation of drawings]

第１図は本考案の定着装置のオフセツト防止装
置の構成を示す説明図、第２図は本考案の他の実
施例を示す説明図、第３図は本考案の別の実施例
の説明図、第４図は除電ブラシに対する印加電圧
とプレツシヤーローラの表面電位との関係を示す
グラフ、第５図はプレツシヤーローラ表面電位と
オフセツト発生頻度との関係を示すグラフ、第６
図は第５図と同様な関係を示す別の見方で示した
グラフ、第７図は含水紙の転写性に関するグラフ
であり、第８図は従来例の構成を示す説明図であ
る。 図中の符号、１……感光体ドラム、２……現像
器、３……転写・剥離コロトロン、４……用紙案
内ガイド板、５……定着装置、６……ヒートロー
ラ、７……プレツシヤーローラ、８……インレツ
トシユート、９……ブラケツト、１０……除電ブ
ラシ、１１……アース、１２……バイアス電源、
１３……シユート用バイアス電源、１４……現像
バイアス電源。 FIG. 1 is an explanatory diagram showing the configuration of the offset prevention device of the fixing device of the present invention, FIG. 2 is an explanatory diagram showing another embodiment of the present invention, and FIG. 3 is an explanatory diagram of another embodiment of the present invention. , FIG. 4 is a graph showing the relationship between the voltage applied to the static elimination brush and the surface potential of the pressure roller, FIG. 5 is a graph showing the relationship between the pressure roller surface potential and the frequency of offset occurrence, and FIG.
This figure is a graph showing the same relationship as that shown in FIG. 5 from a different perspective, FIG. 7 is a graph regarding the transferability of water-containing paper, and FIG. 8 is an explanatory diagram showing the configuration of a conventional example. Symbols in the figure: 1...Photosensitive drum, 2...Developer, 3...Transfer/separation corotron, 4...Paper guide plate, 5...Fixing device, 6...Heat roller, 7...Press Shaft roller, 8... Inlet shoot, 9... Bracket, 10... Static elimination brush, 11... Earth, 12... Bias power supply,
13... Bias power supply for shoot, 14... Development bias power supply.

Claims (1)

【実用新案登録請求の範囲】 (1) 電子写真複写機に用いられ、未定着トナー
画像を担持した用紙に対して、加熱と加圧の作用
を加えることにより、定着の作用を行うヒートロ
ーラ方式の定着装置において、プレツシヤーロー
ラに近接して設ける除電ブラシにバイアス電源を
接続し、プレツシヤーローラに電荷を印加するよ
うに構成し、プレツシヤーローラの帯電量をコン
トロール出来るように構成したことを特徴とする
定着装置のオフセツト防止装置。 (2) 除電ブラシに対して、感光体ドラムにトナ
ーを供給するための現像器に印加される現像バイ
アス電源と共通の電源を接続し、プレツシヤーロ
ーラの帯電量のコントロールを行い得るように構
成したことを特徴とする実用新案登録請求の範囲
第１項記載の定着装置のオフセツト防止装置。 (3) 除電ブラシに対して、用紙案内ガイド板に
印加されるシユート用バイアス電源と共通の電源
に接続するように構成したことを特徴とする実用
新案登録請求の範囲第１項記載の定着装置のオフ
セツト防止装置。[Claims for Utility Model Registration] (1) A heat roller system used in electrophotographic copying machines that performs a fixing action by applying heat and pressure to paper carrying an unfixed toner image. In this fixing device, a bias power source is connected to a static elimination brush provided close to the pressure roller, and a charge is applied to the pressure roller, so that the amount of charge on the pressure roller can be controlled. An offset prevention device for a fixing device, characterized in that: (2) A power source common to the developing bias power source applied to the developing device for supplying toner to the photoreceptor drum is connected to the static elimination brush, so that the amount of charge on the pressure roller can be controlled. An offset prevention device for a fixing device according to claim 1, characterized in that the device comprises: (3) The fixing device according to claim 1 of the utility model registration claim, characterized in that the static elimination brush is connected to a power source common to the bias power source for chute applied to the paper guide plate. offset prevention device.
JP1986141383U 1986-09-17 1986-09-17 Expired - Lifetime JPH0544834Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1986141383U JPH0544834Y2 (en) 1986-09-17 1986-09-17

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1986141383U JPH0544834Y2 (en) 1986-09-17 1986-09-17

Publications (2)

Publication Number Publication Date
JPS6347368U true JPS6347368U (en) 1988-03-31
JPH0544834Y2 JPH0544834Y2 (en) 1993-11-15

Family

ID=31049112

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1986141383U Expired - Lifetime JPH0544834Y2 (en) 1986-09-17 1986-09-17

Country Status (1)

Country Link
JP (1) JPH0544834Y2 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02154287A (en) * 1988-12-07 1990-06-13 Canon Inc Image forming device
JPH07241269A (en) * 1994-03-02 1995-09-19 Techno Roll Kk Tacky adhesive destaticizing and dust-removing roll and grounding electrode material

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4991459A (en) * 1972-12-29 1974-08-31
JPS56143474A (en) * 1980-04-10 1981-11-09 Toshiba Corp Fixing device
JPS57172371A (en) * 1981-04-16 1982-10-23 Canon Inc Picture forming device
JPS5850458U (en) * 1981-09-30 1983-04-05 富士ゼロックス株式会社 Fusing device of electronic copying machine
JPS5994356U (en) * 1982-12-13 1984-06-27 株式会社東芝 Paper wrapping prevention device

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5850458B2 (en) * 1978-06-23 1983-11-10 東芝ライテック株式会社 oscillation device

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4991459A (en) * 1972-12-29 1974-08-31
JPS56143474A (en) * 1980-04-10 1981-11-09 Toshiba Corp Fixing device
JPS57172371A (en) * 1981-04-16 1982-10-23 Canon Inc Picture forming device
JPS5850458U (en) * 1981-09-30 1983-04-05 富士ゼロックス株式会社 Fusing device of electronic copying machine
JPS5994356U (en) * 1982-12-13 1984-06-27 株式会社東芝 Paper wrapping prevention device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02154287A (en) * 1988-12-07 1990-06-13 Canon Inc Image forming device
JPH07241269A (en) * 1994-03-02 1995-09-19 Techno Roll Kk Tacky adhesive destaticizing and dust-removing roll and grounding electrode material

Also Published As

Publication number Publication date
JPH0544834Y2 (en) 1993-11-15

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