JPS649249U - - Google Patents
Info
- Publication number
- JPS649249U JPS649249U JP10307387U JP10307387U JPS649249U JP S649249 U JPS649249 U JP S649249U JP 10307387 U JP10307387 U JP 10307387U JP 10307387 U JP10307387 U JP 10307387U JP S649249 U JPS649249 U JP S649249U
- Authority
- JP
- Japan
- Prior art keywords
- power supply
- high voltage
- supply circuit
- voltage power
- control board
- 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
- 238000010586 diagram Methods 0.000 description 6
- 238000004140 cleaning Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
Landscapes
- Electrostatic Charge, Transfer And Separation In Electrography (AREA)
- Generation Of Surge Voltage And Current (AREA)
Description
第１図は本考案の一実施例を示すブロツク図、
第２図は本考案の他の実施例を示すブロツク図、
第３図は従来の複写装置の内部構成を示す概要図
、第４図は従来のＤＣ電源と高圧電源回路の間の
配線関係を示すブロツク図、第５図は高電圧の火
花放電によつて電源ラインに生じたノイズを示す
図である。
１……感光体ドラム、２……帯電器、３……光
学系、４……現像器、５……転写器、６……分離
器、７……クリーニング器、８……高圧電源回路
、９……制御部、１１……ＤＣ電源、１２……制
御基板、１３……中継基板、Ｄ……原稿、Ｐ……
記録紙。
FIG. 1 is a block diagram showing an embodiment of the present invention.
FIG. 2 is a block diagram showing another embodiment of the present invention;
Fig. 3 is a schematic diagram showing the internal configuration of a conventional copying machine, Fig. 4 is a block diagram showing the wiring relationship between a conventional DC power supply and a high voltage power supply circuit, and Fig. 5 is a schematic diagram showing the internal configuration of a conventional copying machine. FIG. 3 is a diagram showing noise generated in a power supply line. DESCRIPTION OF SYMBOLS 1... Photosensitive drum, 2... Charger, 3... Optical system, 4... Developer, 5... Transfer device, 6... Separator, 7... Cleaning device, 8... High voltage power supply circuit, 9...Control unit, 11...DC power supply, 12...Control board, 13...Relay board, D...Document, P...
Recording paper.
Claims (1)
ントロールする制御部を設けた制御基板を、有す
るようにした複写装置において、上記高圧電源回
路への電源を、上記制御基板を介さずに供給する
ようにしたことを特徴とする複写装置。 In a copying machine that includes a high voltage power supply circuit and a control board provided with a control unit that controls the output of the high voltage power supply circuit, power is supplied to the high voltage power supply circuit without going through the control board. A copying device characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10307387U JPS649249U (en) | 1987-07-03 | 1987-07-03 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10307387U JPS649249U (en) | 1987-07-03 | 1987-07-03 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS649249U true JPS649249U (en) | 1989-01-18 |
Family
ID=31333562
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10307387U Pending JPS649249U (en) | 1987-07-03 | 1987-07-03 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS649249U (en) |
-
1987
- 1987-07-03 JP JP10307387U patent/JPS649249U/ja active Pending
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