JPS6482052A - Copying device - Google Patents
Copying deviceInfo
- Publication number
- JPS6482052A JPS6482052A JP62241660A JP24166087A JPS6482052A JP S6482052 A JPS6482052 A JP S6482052A JP 62241660 A JP62241660 A JP 62241660A JP 24166087 A JP24166087 A JP 24166087A JP S6482052 A JPS6482052 A JP S6482052A
- Authority
- JP
- Japan
- Prior art keywords
- correction
- initial value
- temperature
- electrification
- exposure
- 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
Abstract
PURPOSE:To optimize correction by setting an initial value for electrification or exposure, adding temperature, fatigue and variable magnification correction to said value, holding an appropriate copying density and issuing the alarm when temperature deviates from a correction permissible range. CONSTITUTION:According to the film thickness of a photosensitive body, a rotary switch is selected to set an initial value for electrification, and variable resistance is adjusted to set an initial value for exposure. The temperature of the photosensitive body is incorporated into a temperature sensor 27 to correct the initial value. Then, the subsequent copying time is incorporated into data on the corrected fatigue of a 1st copy after power supply is turned on, and the fatigue is further corrected. Variable magnification correction is performed to according to variable magnification ratio, and the corrected value is supplied to a sub-CPU 23. CPU 23 supplies digital signal data to a high voltage transfer 25 and an exposing power source 26, and determines voltage for electrification and exposure. When temperature deviates from a correction permissible range, the CPU issues the alarm. Thus appropriate correction can be performed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62241660A JPS6482052A (en) | 1987-09-25 | 1987-09-25 | Copying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62241660A JPS6482052A (en) | 1987-09-25 | 1987-09-25 | Copying device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6482052A true JPS6482052A (en) | 1989-03-28 |
Family
ID=17077622
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP62241660A Pending JPS6482052A (en) | 1987-09-25 | 1987-09-25 | Copying device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6482052A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5596391A (en) * | 1994-09-21 | 1997-01-21 | Minolta Co., Ltd. | Image forming apparatus having transfer constant current source adjustable in response to the thickness of dielectric layer |
| JP2018124454A (en) * | 2017-02-01 | 2018-08-09 | 株式会社リコー | Image formation apparatus and control method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5784463A (en) * | 1980-11-13 | 1982-05-26 | Canon Inc | Image former |
| JPS5872962A (en) * | 1981-10-27 | 1983-05-02 | Ricoh Co Ltd | Electrostatic recording system |
-
1987
- 1987-09-25 JP JP62241660A patent/JPS6482052A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5784463A (en) * | 1980-11-13 | 1982-05-26 | Canon Inc | Image former |
| JPS5872962A (en) * | 1981-10-27 | 1983-05-02 | Ricoh Co Ltd | Electrostatic recording system |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5596391A (en) * | 1994-09-21 | 1997-01-21 | Minolta Co., Ltd. | Image forming apparatus having transfer constant current source adjustable in response to the thickness of dielectric layer |
| JP2018124454A (en) * | 2017-02-01 | 2018-08-09 | 株式会社リコー | Image formation apparatus and control method thereof |
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