JPH01115661U - - Google Patents
Info
- Publication number
- JPH01115661U JPH01115661U JP1177188U JP1177188U JPH01115661U JP H01115661 U JPH01115661 U JP H01115661U JP 1177188 U JP1177188 U JP 1177188U JP 1177188 U JP1177188 U JP 1177188U JP H01115661 U JPH01115661 U JP H01115661U
- Authority
- JP
- Japan
- Prior art keywords
- paper
- conveyance path
- sets
- circulating
- electrophotographic apparatus
- 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
- 230000001105 regulatory effect Effects 0.000 claims 1
- 238000011144 upstream manufacturing Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Paper Feeding For Electrophotography (AREA)
- Separation, Sorting, Adjustment, Or Bending Of Sheets To Be Conveyed (AREA)
Description
第1図は本考案の一実施例を示すものであつて
、複写機における用紙搬送路の一部を示す説明図
である。第2図は両面複写機能を有する複写機に
おける定着部と排紙反転部を示す説明図、第3図
a〜cは複写機の定着部の熱によつて用紙がカー
ルする様子を示す正面図である。第4図は従来例
を示すものであつて、複写機における循環搬送路
を含む用紙搬送路を示す説明図である。
1はカール矯正装置、2は定着部、8は第1搬
送ローラ(搬送ローラ)、9は第2搬送ローラ(
搬送ローラ)、10はガイド板である。
FIG. 1 shows one embodiment of the present invention, and is an explanatory diagram showing a part of a paper conveyance path in a copying machine. Fig. 2 is an explanatory diagram showing the fixing unit and paper ejection reversing unit in a copying machine with double-sided copying function, and Figs. 3 a to c are front views showing how paper curls due to the heat of the fixing unit of the copying machine. It is. FIG. 4 shows a conventional example, and is an explanatory diagram showing a paper conveyance path including a circulation conveyance path in a copying machine. 1 is a curl straightening device, 2 is a fixing unit, 8 is a first conveyance roller (conveyance roller), and 9 is a second conveyance roller (
10 is a guide plate.
Claims (1)
循環させる循環搬送路を設けた電子写真装置にお
いて、定着部より下流側の用紙搬送路に1対の搬
送ローラが2組間隔を開けて配置され、かつ、こ
れらの2組のうち上流側の搬送ローラにおける搬
送速度の方が下流側の搬送ローラよりも高速に設
定されると共に、この2組の搬送ローラ間に、搬
送されるカールした用紙の凹部側に空間を有し、
凸部側への撓みを規制するガイド板が設けられた
ことを特徴とする電子写真装置におけるカール矯
正装置。 In an electrophotographic apparatus provided with a circulating conveyance path for circulating the same sheet of paper for double-sided processing or composition processing, a pair of conveyance rollers are disposed at intervals in the paper conveyance path downstream from the fixing unit, Moreover, the conveying speed of the upstream conveying roller of these two sets is set to be higher than that of the downstream conveying roller, and between these two sets of conveying rollers, there is a concave portion of the curled paper being conveyed. Has space on the side,
A curl correction device for an electrophotographic apparatus, characterized in that a guide plate is provided for regulating deflection toward the convex portion.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1177188U JPH01115661U (en) | 1988-01-29 | 1988-01-29 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1177188U JPH01115661U (en) | 1988-01-29 | 1988-01-29 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH01115661U true JPH01115661U (en) | 1989-08-03 |
Family
ID=31220617
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1177188U Pending JPH01115661U (en) | 1988-01-29 | 1988-01-29 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH01115661U (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04173655A (en) * | 1990-11-07 | 1992-06-22 | Sharp Corp | Paper curl correcting device |
JPH10171174A (en) * | 1996-12-11 | 1998-06-26 | Konica Corp | Both side image forming device |
JP2006251178A (en) * | 2005-03-09 | 2006-09-21 | Toshiba Corp | Image forming apparatus |
-
1988
- 1988-01-29 JP JP1177188U patent/JPH01115661U/ja active Pending
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04173655A (en) * | 1990-11-07 | 1992-06-22 | Sharp Corp | Paper curl correcting device |
JPH10171174A (en) * | 1996-12-11 | 1998-06-26 | Konica Corp | Both side image forming device |
JP2006251178A (en) * | 2005-03-09 | 2006-09-21 | Toshiba Corp | Image forming apparatus |
JP4562554B2 (en) * | 2005-03-09 | 2010-10-13 | 株式会社東芝 | Image forming apparatus |
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