JPH0426951U - - Google Patents
Info
- Publication number
- JPH0426951U JPH0426951U JP6884390U JP6884390U JPH0426951U JP H0426951 U JPH0426951 U JP H0426951U JP 6884390 U JP6884390 U JP 6884390U JP 6884390 U JP6884390 U JP 6884390U JP H0426951 U JPH0426951 U JP H0426951U
- Authority
- JP
- Japan
- Prior art keywords
- recording paper
- image forming
- forming apparatus
- paper
- light reflectance
- 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
- 238000001514 detection method Methods 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Controlling Sheets Or Webs (AREA)
- Sheets, Magazines, And Separation Thereof (AREA)
- Paper Feeding For Electrophotography (AREA)
- Photographic Developing Apparatuses (AREA)
Description
第１図から第４図までは本考案を具体化した実
施例を示すもので、第１図は本考案の実施例にか
かる画像形成装置を示す断面図であり、第２図は
光反射率検出センサの断面図であり、第３図は光
反射率検出センサの回路図である。第４図は本考
案の第２実施例にかかる画像形成装置を示す断面
図である。
１，１′……複写機（画像形成装置）、２８…
…記録紙（顕色紙）、３０……給紙機構、３０ａ
……吸盤、４０，５１……光反射率検出センサ、
４１……発光素子、４２……受光素子、４２，４
３……増幅器、４４……定電流回路、５０……給
紙口。
1 to 4 show an embodiment embodying the present invention. FIG. 1 is a cross-sectional view showing an image forming apparatus according to an embodiment of the present invention, and FIG. 2 shows a light reflectance. FIG. 3 is a sectional view of the detection sensor, and FIG. 3 is a circuit diagram of the light reflectance detection sensor. FIG. 4 is a sectional view showing an image forming apparatus according to a second embodiment of the present invention. 1, 1′...copying machine (image forming device), 28...
... Recording paper (developer paper), 30 ... Paper feeding mechanism, 30a
... Suction cup, 40, 51 ... Light reflectance detection sensor,
41... Light emitting element, 42... Light receiving element, 42,4
3...Amplifier, 44...Constant current circuit, 50...Paper feed slot.
Claims (1)
置において、 記録紙の光反射率を検出する検出手段を、記録
紙の給紙開始位置付近に配備したことを特徴とす
る画像形成装置。[Claim for Utility Model Registration] An image forming apparatus that uses recording paper that has a front and back side, characterized in that a detection means for detecting the light reflectance of the recording paper is disposed near the paper feeding start position of the recording paper. image forming apparatus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6884390U JPH0426951U (en) | 1990-06-27 | 1990-06-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6884390U JPH0426951U (en) | 1990-06-27 | 1990-06-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0426951U true JPH0426951U (en) | 1992-03-03 |
Family
ID=31603629
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6884390U Pending JPH0426951U (en) | 1990-06-27 | 1990-06-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0426951U (en) |
-
1990
- 1990-06-27 JP JP6884390U patent/JPH0426951U/ja active Pending