JPH01171464U - - Google Patents
Info
- Publication number
- JPH01171464U JPH01171464U JP6393888U JP6393888U JPH01171464U JP H01171464 U JPH01171464 U JP H01171464U JP 6393888 U JP6393888 U JP 6393888U JP 6393888 U JP6393888 U JP 6393888U JP H01171464 U JPH01171464 U JP H01171464U
- Authority
- JP
- Japan
- Prior art keywords
- transfer member
- transfer
- peeling
- forming apparatus
- image forming
- 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.)
- Pending
Links
- 238000010586 diagram Methods 0.000 description 13
- 210000000078 claw Anatomy 0.000 description 6
- 238000004140 cleaning Methods 0.000 description 2
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 108091008695 photoreceptors Proteins 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Landscapes
- Electrostatic Charge, Transfer And Separation In Electrography (AREA)
- Paper Feeding For Electrophotography (AREA)
Description
第１図Ａ，Ｂ，Ｃは本考案の転写部材搬送装置
の操作を説明するための図、第２図は該装置を駆
動するためのブロツク図、第３図は本考案に使用
することのできる転写部材剥離装置の例を示す図
、第４図Ａ，Ｂは該転写部材剥離装置の作動を側
面から見た図、第５図は該転写部材剥離装置の操
作を説明するブロツク図、第６図は転写部材剥離
装置の他の例を示す図、第７図は本考案に使用す
ることのできる剥離爪の例を示す図、第８図Ａ，
Ｂ，Ｃは従来の剥離爪の例および感光体ドラムと
の接触状態を示す図、第９図Ａ，Ｂは本考案に使
用することのできる転写部材剥離装置の例を示す
図、第１０図は該装置に使用される剥離爪用ソレ
ノイドのＯＮ・ＯＦＦタイミング図、第１１図は
複写機の制御盤を示す図、第１２図は前記ＯＮ・
ＯＦＦタイミングのフロー図、第１３図は転写部
材のクリーニングブロツクへの侵入を防止する手
段の例を示す図、第１４図は多重・両面複写の際
に感光体ドラムとクリーニングブレードとの不要
な接触および該ブレードの摩耗を防止する方法を
説明するための図である。
１，４１，７１……感光体ドラム、２……シユ
ート、３……転写装置、４……剥離ガイド、５…
…転写部材搬送装置、６……回転板、７……定着
装置、８……ガイド、９，１０……センサー、１
１，１４……除電ランプ、１２……帯電器、１３
……露光ランプ、１５……感光体ドラム枠体、１
６，１８……シヤフト、１９……モーター、２１
，２２，２３，２４……剥離爪、２５……サポー
ト部材、２６……Ｌ型ブラケツト、２７……スプ
リング、２８……ベアリング、２９……ソレノイ
ド、３０……ハウジング、３１，３２，３３，３
４……ギア、４２……現像装置、４３，４４……
転写部材案内部材、４５，４６……搬送ロール、
４７……転写コロトロン、４８……剥離コロトロ
ン、４９……搬送ベルト、５０……剥離爪、５１
……センサー、５２……ピボツト、５３……リン
ク、５４……トナーボツクス、５５……剥離爪用
ソレノイド、５６，７５……クリーナーブレード
、６１，６２……給紙トレイ、６３……自動原稿
送り装置、６４，６５……ゲート、６６……イン
バータ部、６７，６８……給紙ローラ、６９……
定着器、７０……光源、７２……現像器、７３…
…レジゲート、７４……排紙トレイ。
1A, B, and C are diagrams for explaining the operation of the transfer member conveying device of the present invention, FIG. 2 is a block diagram for driving the device, and FIG. 3 is a diagram of the device used in the present invention. 4A and 4B are side views of the operation of the transfer member peeling device, and FIG. 5 is a block diagram illustrating the operation of the transfer member peeling device. 6 is a diagram showing another example of a transfer member peeling device, FIG. 7 is a diagram showing an example of a peeling claw that can be used in the present invention, and FIG. 8A,
B and C are diagrams showing an example of a conventional peeling claw and its contact state with a photoreceptor drum; FIGS. 9A and B are diagrams showing an example of a transfer member peeling device that can be used in the present invention; FIG. 10 11 is a diagram showing the ON/OFF timing of the solenoid for the peeling claw used in the device, FIG. 11 is a diagram showing the control panel of the copying machine, and FIG.
A flowchart of the OFF timing, FIG. 13 is a diagram showing an example of means for preventing the transfer member from entering the cleaning block, and FIG. 14 is a diagram showing an example of means for preventing the transfer member from entering the cleaning block. FIG. FIG. 3 is a diagram for explaining a method for preventing wear of the blade. 1, 41, 71...Photosensitive drum, 2...Chute, 3...Transfer device, 4...Peeling guide, 5...
... Transfer member conveyance device, 6 ... Rotating plate, 7 ... Fixing device, 8 ... Guide, 9, 10 ... Sensor, 1
1, 14... Static elimination lamp, 12... Charger, 13
...Exposure lamp, 15...Photoconductor drum frame, 1
6, 18...Shaft, 19...Motor, 21
, 22, 23, 24... Peeling claw, 25... Support member, 26... L-shaped bracket, 27... Spring, 28... Bearing, 29... Solenoid, 30... Housing, 31, 32, 33, 3
4... Gear, 42... Developing device, 43, 44...
Transfer member guide member, 45, 46...conveyance roll,
47...Transfer corotron, 48...Peeling corotron, 49...Transport belt, 50...Peeling claw, 51
... Sensor, 52 ... Pivot, 53 ... Link, 54 ... Toner box, 55 ... Solenoid for peeling claw, 56, 75 ... Cleaner blade, 61, 62 ... Paper feed tray, 63 ... Automatic document Feeding device, 64, 65... Gate, 66... Inverter section, 67, 68... Paper feed roller, 69...
Fixing device, 70...Light source, 72...Developing device, 73...
...Regigate, 74... Paper output tray.
Claims (1)
よび剥離装置と、これに続く定着装置との間に転
写部材搬送装置を有する画像形成装置において、
該転写部材搬送装置を転写部材の転写、剥離と同
期して上下運動させることにより転写部材の良好
な搬送を確保することを特徴とする画像形成装置
。 ２ 転写装置のコロトロンワイヤーと像担持体の
中心点を結ぶ線が該像担持体の円弧と交わる点に
おける円弧の接線方向に転写部材が搬送されるよ
うに上下運動を行う請求の範囲第１項に記載の画
像形成装置。[Claims for Utility Model Registration] 1. An image forming apparatus having a transfer member conveyance device between a transfer device and a peeling device sequentially arranged around an image carrier and a fixing device following the transfer device,
An image forming apparatus characterized in that good conveyance of the transfer member is ensured by vertically moving the transfer member conveyance device in synchronization with transfer and peeling of the transfer member. 2. Claim 1, in which the transfer member is moved up and down so as to be conveyed in the tangential direction of the arc at the point where the line connecting the corotron wire of the transfer device and the center point of the image carrier intersects with the arc of the image carrier. The image forming apparatus described in .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6393888U JPH01171464U (en) | 1988-05-17 | 1988-05-17 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6393888U JPH01171464U (en) | 1988-05-17 | 1988-05-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01171464U true JPH01171464U (en) | 1989-12-05 |
Family
ID=31289423
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6393888U Pending JPH01171464U (en) | 1988-05-17 | 1988-05-17 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01171464U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013246199A (en) * | 2012-05-23 | 2013-12-09 | Fuji Xerox Co Ltd | Image forming device |
-
1988
- 1988-05-17 JP JP6393888U patent/JPH01171464U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013246199A (en) * | 2012-05-23 | 2013-12-09 | Fuji Xerox Co Ltd | Image forming device |
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