Electrophotography – Machine operation – Job mode
Utility Patent
1999-10-25
2001-01-02
Grimley, Arthur T. (Department: 2852)
Electrophotography
Machine operation
Job mode
C399S085000, C399S391000
Utility Patent
active
06169863
ABSTRACT:
BACKGROUND OF THE INVENTION
1. Field of the Invention
The present invention relates to setting of recording sheet (or paper) which is used in an image formation apparatus capable of receiving plural copy jobs or plural print jobs.
2. Related Background Art
By the recent development of network technique, a countermeasure for network has been also developed in a printer and even in a copying machine having a printer function. Thus, some kinds of printers and copying machines can process plural print jobs instructed from plural clients on the network.
If such the printer or the copying machine has an image storage unit (i.e., image server) such as a hard disk or the like, it can simultaneously receive the plural print jobs and then sequentially process the received jobs. In these printers and copying machines, some printers and copying machines each of which has plural operation screens respectively corresponding to the plural types of print jobs and can set a print mode on one operation screen even during the operation in the other print job have been proposed.
Further, some conventional printers and copying machines respectively have sheet feed stages (or trays) called manual feed trays each of which can feed an unfixed-size sheet and performs sheet size setting from the operation screen according as the such the unfixed-size sheet is set. Further, some manual feed trays can feed plural kinds of materials such as an ordinary sheet, an OHP (overhead projector) sheet, a thick sheet, a thin sheet and the like as well as the unfixed size sheet, and can set the data representing that one of these materials is set on the manual feed tray and thus being used for carrying control and process control suitable for that material.
On the other hand, some copying machines and printers are provided with an OHP insertion mode. In the OHP insertion mode, the OHP sheet fed from the manual feed tray and the ordinary sheet (on which the image same as that formed on the OHP sheet has been formed) fed from the other sheet feed stage are alternately output.
As above, if the copying machine or the printer which has the manual feed tray further has the image storage unit, it can simultaneously receive the plural jobs and has the setting screens respectively corresponding to these jobs. However, in such the case, following problems occur.
That is, for example, in the conventional copying machine or the printer which can not simultaneously receive the plural jobs, the once-set sheet size on the manual feed tray is never changed until the job ends. However, if the setting for plural jobs can be performed on the respective setting screens, the sheet size on the manual feed tray set on one setting screen can be easily changed on the other setting screen even if the corresponding job is being executed. Thus, since the sheet of which size is different from that of the previously output sheet is output on the way of an output sheaf of sheets in the executing job, the sizes of the output sheets can not be unified.
Further, in case of performing the setting for OHP insertion mode, it is thought that such a mode as to feed a sheet other than the OHP sheet from the manual feed tray in another job is being executed. In this case, it is impossible to freely set the OHP insertion mode.
SUMMARY OF THE INVENTION
An object of the present invention is to provide an image formation apparatus which solved the above-described problems and a control method of this apparatus.
Another object of the present invention is to provide an image formation apparatus which can obviate such sheet setting as to influence other jobs and a control method of this apparatus.
Still another object of the present invention is to provide an image formation apparatus which can obviate a disadvantage that a sheet size or a kind of sheet is unnecessarily changed on the way of a job, and a control method of this apparatus.
Other objects and features of the present invention will become apparent from the following detailed description and the attached drawings.
REFERENCES:
patent: 4008957 (1977-02-01), Summers
patent: 4350434 (1982-09-01), Paulus et al.
patent: 5459580 (1995-10-01), Suzuki
patent: 5689765 (1997-11-01), Nishinozono
Osari Yoshihito
Serizawa Masahiro
Canon Kabushiki Kaisha
Fitzpatrick ,Cella, Harper & Scinto
Grimley Arthur T.
Ngo Hoang
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