JPH0465349U - - Google Patents
Info
- Publication number
- JPH0465349U JPH0465349U JP10942890U JP10942890U JPH0465349U JP H0465349 U JPH0465349 U JP H0465349U JP 10942890 U JP10942890 U JP 10942890U JP 10942890 U JP10942890 U JP 10942890U JP H0465349 U JPH0465349 U JP H0465349U
- Authority
- JP
- Japan
- Prior art keywords
- transfer material
- image carrier
- charge
- image
- transfer
- 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
Links
- 238000000926 separation method Methods 0.000 claims description 6
- 230000008030 elimination Effects 0.000 description 2
- 238000003379 elimination reaction Methods 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
Landscapes
- Paper Feeding For Electrophotography (AREA)
- Electrostatic Charge, Transfer And Separation In Electrography (AREA)
Description
第１図は本考案の一実施例としての光書込みプ
リンタにおける転写分離部を示す平面図、第２図
は上記転写分離部を示す模式的断面図、第３図は
上記転写分離部の要部を示す斜視図、第４図は上
記光書込みプリンタの全体構成を示す模式図、第
５図乃至第７図は夫々従来の転写分離部を示す模
式的断面図と斜視図及び平面図である。
１，５１……感光体ドラム、５，５２……転写
帯電器、１０，５３……待機ロール、１１，５４
ｂ……分離ガイド板、１１ｃ……除電窓、１１ｄ
……仕切り部、１２……搬送ガイド、１２ａ……
リブ、１３……定着器、２０……除電刃、２０ａ
……バイアス電源、ｐ……用紙。
FIG. 1 is a plan view showing a transfer separation section in an optical writing printer as an embodiment of the present invention, FIG. 2 is a schematic sectional view showing the transfer separation section, and FIG. 3 is a main part of the transfer separation section. FIG. 4 is a schematic diagram showing the overall configuration of the optical writing printer, and FIGS. 5 to 7 are a schematic cross-sectional view, a perspective view, and a plan view, respectively, showing a conventional transfer separation section. 1,51...Photosensitive drum, 5,52...Transfer charger, 10,53...Standby roll, 11,54
b... Separation guide plate, 11c... Static elimination window, 11d
... Partition section, 12 ... Conveyance guide, 12a ...
Rib, 13... Fixing device, 20... Static elimination blade, 20a
...bias power supply, p...paper.
Claims (1)
る像担持体と、 前記像担持体に対向配設し該対向部を通過する
転写材の裏面に前記像担持体上のトナー画像の帯
電電荷と逆極性の電荷を付与してトナー画像を前
記転写材表面に静電気的吸引力で転移させる転写
帯電器と、 前記転写材の裏面に前記トナー画像の帯電極性
と同極性の電荷を付与して前記転写帯電器により
付与された電荷を中和除去し、前記転写材を前記
像担持体上から分離する分離手段と、 転写材搬送方向に沿つて前記転写帯電器の下流
側に配設し、表面に転写材搬送方向に沿つて延在
する突条部を備え、前記像担持体上から分離され
搬送される転写材を支持する搬送ガイド部材とを
有する画像形成装置において、 転写材搬送経路の幅方向で前記分離手段により
付与される電荷が相対的に少ない位置に対応する
位置以外に前記搬送ガイド部材の突条部を形成し
たことを特徴とする画像形成装置。[Claims for Utility Model Registration] An image carrier that carries a toner image and moves along a predetermined path; and an image carrier that is disposed opposite to the image carrier and is on the back side of a transfer material that passes through the opposing portion. a transfer charger that transfers the toner image to the surface of the transfer material by electrostatic attraction by imparting a charge with a polarity opposite to that of the toner image on the upper surface; separating means for applying a polar charge to neutralize and remove the charge applied by the transfer charger and separating the transfer material from the image carrier; an image forming apparatus having a conveyance guide member disposed on the downstream side, having a protrusion extending along the transfer material conveyance direction on the surface, and supporting the transfer material separated from the image carrier and conveyed; An image forming apparatus according to the present invention, wherein the protrusion portion of the conveyance guide member is formed at a position other than a position corresponding to a position where relatively little charge is applied by the separation means in the width direction of the transfer material conveyance path.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990109428U JP2559255Y2 (en) | 1990-10-19 | 1990-10-19 | Image forming device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990109428U JP2559255Y2 (en) | 1990-10-19 | 1990-10-19 | Image forming device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0465349U true JPH0465349U (en) | 1992-06-05 |
| JP2559255Y2 JP2559255Y2 (en) | 1998-01-14 |
Family
ID=31856630
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990109428U Expired - Fee Related JP2559255Y2 (en) | 1990-10-19 | 1990-10-19 | Image forming device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2559255Y2 (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60100752U (en) * | 1983-12-16 | 1985-07-09 | コニカ株式会社 | Recording paper transport device of recording device |
| JPH03184073A (en) * | 1989-11-17 | 1991-08-12 | Ricoh Co Ltd | Separating charger |
-
1990
- 1990-10-19 JP JP1990109428U patent/JP2559255Y2/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60100752U (en) * | 1983-12-16 | 1985-07-09 | コニカ株式会社 | Recording paper transport device of recording device |
| JPH03184073A (en) * | 1989-11-17 | 1991-08-12 | Ricoh Co Ltd | Separating charger |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2559255Y2 (en) | 1998-01-14 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |