JPS6472174A - Developing device switching device for printer - Google Patents
Developing device switching device for printerInfo
- Publication number
- JPS6472174A JPS6472174A JP62228970A JP22897087A JPS6472174A JP S6472174 A JPS6472174 A JP S6472174A JP 62228970 A JP62228970 A JP 62228970A JP 22897087 A JP22897087 A JP 22897087A JP S6472174 A JPS6472174 A JP S6472174A
- Authority
- JP
- Japan
- Prior art keywords
- switching
- data
- host device
- developing devices
- printer
- 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
Landscapes
- Color Electrophotography (AREA)
Abstract
PURPOSE:To accurately index a switching position by setting the switching timing for switching and driving plural developing devices selectively with digital data sent out of a host device. CONSTITUTION:The switching timing for switching and driving the plural developing devices 4 and 5 using developers of different colors selectively is set with the digital data sent out of the host device 71. The switching between the developing devices 4 and 5 in the printer is performed in one page to be printed to easily realize simultaneous multicolor printing. Consequently, the switching position is accurately indexed with high resolution. Further, when the digital data on the switching position is based upon the distance from the front end of a form, the data matches with sensational specification by an operator of the host device 71 and when the data is based upon a line number, the data is specially effective in handling a character image; when the data is based upon a raster number, this is specially effective in handling a graphic image.
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62228970A JPS6472174A (en) | 1987-09-11 | 1987-09-11 | Developing device switching device for printer |
DE3830811A DE3830811A1 (en) | 1987-09-11 | 1988-09-09 | Image recording system |
US07/607,762 US5084717A (en) | 1987-09-11 | 1990-10-30 | Image recording system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62228970A JPS6472174A (en) | 1987-09-11 | 1987-09-11 | Developing device switching device for printer |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6472174A true JPS6472174A (en) | 1989-03-17 |
Family
ID=16884720
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP62228970A Pending JPS6472174A (en) | 1987-09-11 | 1987-09-11 | Developing device switching device for printer |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6472174A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5251892A (en) * | 1991-01-19 | 1993-10-12 | Samsung Electronics Co., Ltd. | Method of and apparatus for ejecting paper in a printing system |
-
1987
- 1987-09-11 JP JP62228970A patent/JPS6472174A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5251892A (en) * | 1991-01-19 | 1993-10-12 | Samsung Electronics Co., Ltd. | Method of and apparatus for ejecting paper in a printing system |
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