JPS6488822A - Printer provided with dynamic channel switching mechanism - Google Patents
Printer provided with dynamic channel switching mechanismInfo
- Publication number
- JPS6488822A JPS6488822A JP62246897A JP24689787A JPS6488822A JP S6488822 A JPS6488822 A JP S6488822A JP 62246897 A JP62246897 A JP 62246897A JP 24689787 A JP24689787 A JP 24689787A JP S6488822 A JPS6488822 A JP S6488822A
- Authority
- JP
- Japan
- Prior art keywords
- printer device
- computer
- memory
- reservation information
- printing
- 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
- Dot-Matrix Printers And Others (AREA)
- Record Information Processing For Printing (AREA)
Abstract
PURPOSE:To switch a printer device as one form or one job as a unit by providing plural channel I/F circuits connected to plural host computers, selecting circuits, and a memory shared among selecting circuits and registering reservation information and messages in the memory. CONSTITUTION:First and second host computers share a printer device 8 with one form or one job as the unit. That is, when first and second computers 1 and 2 access the printer device 8, selecting circuits 12c and 12d are used to refer to a reservation information area of a memory 12e, and OK is reported to the first computer 1 which first issues a check command and NG is reported to the second computer 2. The first computer 1 issues an attach command for the purpose of monopolizing the printer device 8 and sends data to the device 8 to execute printing. When this printing is terminated, a detach command which permits the second computer 2 to use the printer device is issued, and the memory 12e is cleared, and reservation information is set to start printing.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62246897A JPS6488822A (en) | 1987-09-30 | 1987-09-30 | Printer provided with dynamic channel switching mechanism |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62246897A JPS6488822A (en) | 1987-09-30 | 1987-09-30 | Printer provided with dynamic channel switching mechanism |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6488822A true JPS6488822A (en) | 1989-04-03 |
Family
ID=17155368
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP62246897A Pending JPS6488822A (en) | 1987-09-30 | 1987-09-30 | Printer provided with dynamic channel switching mechanism |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6488822A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01273125A (en) * | 1988-04-25 | 1989-11-01 | Matsushita Graphic Commun Syst Inc | Document printer |
JPH0465260A (en) * | 1990-07-06 | 1992-03-02 | Canon Inc | Printer |
-
1987
- 1987-09-30 JP JP62246897A patent/JPS6488822A/en active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01273125A (en) * | 1988-04-25 | 1989-11-01 | Matsushita Graphic Commun Syst Inc | Document printer |
JPH0465260A (en) * | 1990-07-06 | 1992-03-02 | Canon Inc | Printer |
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