JPS57204574A - Electronic copying machine - Google Patents
Electronic copying machineInfo
- Publication number
- JPS57204574A JPS57204574A JP56089440A JP8944081A JPS57204574A JP S57204574 A JPS57204574 A JP S57204574A JP 56089440 A JP56089440 A JP 56089440A JP 8944081 A JP8944081 A JP 8944081A JP S57204574 A JPS57204574 A JP S57204574A
- Authority
- JP
- Japan
- Prior art keywords
- photoreceptor
- copying
- stopping
- copying machine
- shift
- 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
- 108091008695 photoreceptors Proteins 0.000 abstract 11
- 230000003287 optical effect Effects 0.000 abstract 2
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 abstract 1
Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G15/00—Apparatus for electrographic processes using a charge pattern
- G03G15/50—Machine control of apparatus for electrographic processes using a charge pattern, e.g. regulating differents parts of the machine, multimode copiers, microprocessor control
- G03G15/5008—Driving control for rotary photosensitive medium, e.g. speed control, stop position control
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Control Or Security For Electrophotography (AREA)
- Combination Of More Than One Step In Electrophotography (AREA)
Abstract
PURPOSE:To prevent the same position of a photoreceptor from being oxidized by ozone, and to prolong the life of the photoreceptor, by controlling the rotation of the photoreceptor in such a way that the photoreceptor shifts in stopping position on the completion of every copying cycle. CONSTITUTION:In an electronic copying machine wherein a photoreceptor synchronizes completely with an optical image forming mechanism through a cam, an end signal is inputted to a control circuit 23 when final copying ends, and a clutch means 4 provided to a driving system for the photoreceptor is turned off by the output signal of the control circuit 2 an optional time laser (with a shift in stopping point of time), thereby stopping the rotation of the photoreceptor. Consequently, the photoreceptor shift in stopping position on every copying cycle. In a copying machine wherein a photoreceptor and an optical image forming mechanism synchronize with each other only when a clutch means 4 is connected, a stop signal 3 of optional time is outputted within a range of <= one turn of the photoreceptor after one copying cycle ends to stop the photoreceptor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56089440A JPS57204574A (en) | 1981-06-12 | 1981-06-12 | Electronic copying machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56089440A JPS57204574A (en) | 1981-06-12 | 1981-06-12 | Electronic copying machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS57204574A true JPS57204574A (en) | 1982-12-15 |
Family
ID=13970733
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP56089440A Pending JPS57204574A (en) | 1981-06-12 | 1981-06-12 | Electronic copying machine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS57204574A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0272377A (en) * | 1988-09-07 | 1990-03-12 | Canon Inc | Electrophotographic device |
| EP1826623A1 (en) * | 2006-02-28 | 2007-08-29 | Ricoh Company, Ltd. | Stop position control of image bearer in image forming apparatus |
-
1981
- 1981-06-12 JP JP56089440A patent/JPS57204574A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0272377A (en) * | 1988-09-07 | 1990-03-12 | Canon Inc | Electrophotographic device |
| EP1826623A1 (en) * | 2006-02-28 | 2007-08-29 | Ricoh Company, Ltd. | Stop position control of image bearer in image forming apparatus |
| JP2007232894A (en) * | 2006-02-28 | 2007-09-13 | Ricoh Co Ltd | Image forming apparatus |
| US7603061B2 (en) | 2006-02-28 | 2009-10-13 | Ricoh Company Limited | Image forming apparatus |
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