JPS5695250A - Image forming device - Google Patents
Image forming deviceInfo
- Publication number
- JPS5695250A JPS5695250A JP17135179A JP17135179A JPS5695250A JP S5695250 A JPS5695250 A JP S5695250A JP 17135179 A JP17135179 A JP 17135179A JP 17135179 A JP17135179 A JP 17135179A JP S5695250 A JPS5695250 A JP S5695250A
- Authority
- JP
- Japan
- Prior art keywords
- controlling
- programs
- signal
- sequence
- drum
- 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.)
- Granted
Links
Landscapes
- Control Or Security For Electrophotography (AREA)
Abstract
PURPOSE:To prevent a greater part of input and output ports from being used for key input displaying or sequence controlling of various image formation by making control means having programs for potential controlling independent from control means having programs for sequence controlling. CONSTITUTION:A CPU1 is a microcomputer stored with programs for outputting the signals for driving and controlling various parts of a copying apparatus, and outputs a drum rotation signal DRMD, original platen advance signal SCFW, retreat signal SCRV, etc. based in the input signals such as the drum clock pulses DCK synchronized to the rotation of a drum 47, jam detection signal JAM and the signal from a key matrix KM. The various signals of the computer CPU1 for sequence controlling are inputted via buffers Q20, Q21, to a computer CPU2 for potential controlling. The CPU4 takes surface potential A/D conversion data therein and makes predetermined arithmetic operations. With such constitution, the development of programs such as charger controlling, developing bias controlling or the like is made possible independently from the sequence control programs.
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP17135179A JPS5695250A (en) | 1979-12-28 | 1979-12-28 | Image forming device |
US06/219,513 US4420247A (en) | 1979-12-28 | 1980-12-23 | Computer control means for an electrostatic recording apparatus |
DE19803049339 DE3049339A1 (en) | 1979-12-28 | 1980-12-29 | ELECTROSTATIC RECORDING DEVICE |
GB8041423A GB2068296B (en) | 1979-12-28 | 1980-12-29 | Controlling electrographic recording apparatus |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP17135179A JPS5695250A (en) | 1979-12-28 | 1979-12-28 | Image forming device |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5695250A true JPS5695250A (en) | 1981-08-01 |
JPH0337184B2 JPH0337184B2 (en) | 1991-06-04 |
Family
ID=15921585
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP17135179A Granted JPS5695250A (en) | 1979-12-28 | 1979-12-28 | Image forming device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5695250A (en) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5429642A (en) * | 1977-08-10 | 1979-03-05 | Ricoh Co Ltd | Controlling system by multimicrocomputer system of copying machines |
JPS5449146A (en) * | 1977-09-27 | 1979-04-18 | Ricoh Co Ltd | Control method by multimicrocomputer system of copying machines |
-
1979
- 1979-12-28 JP JP17135179A patent/JPS5695250A/en active Granted
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5429642A (en) * | 1977-08-10 | 1979-03-05 | Ricoh Co Ltd | Controlling system by multimicrocomputer system of copying machines |
JPS5449146A (en) * | 1977-09-27 | 1979-04-18 | Ricoh Co Ltd | Control method by multimicrocomputer system of copying machines |
Also Published As
Publication number | Publication date |
---|---|
JPH0337184B2 (en) | 1991-06-04 |
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