JPS6172461A - Printer with logical paper sorting function - Google Patents

Abstract

PURPOSE:To shorten the printing time by controlling the read order through a read order control from dot image memory. CONSTITUTION:When an original paper 4 is set at the prescribed position, a control part 1 causes a data read sensor 3 to drive and read contents on the original paper 4, while said part 1 is shifting the data read sensor 3 in the direction of an arrow. The control part 1 writes data transmitted from the data read sensor 3 in a dot image memory 21 through a read order control part 15 of the dot image memory 21. When all originals 4 are completely stored, information relating to the copying order and the number of sheets is handed over to the read order control part 15 of the memory 21 from the control part 1 with operator's indication and the read-out data is transmitted to an optical system 5. Simultaneously the transportation of paper is started from a cartridge 9, and copied papers is stored at a stacker 12.

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a printing apparatus with logical paper sorting using cut paper. INDUSTRIAL APPLICATION This invention is utilized for a copying machine, a facsimile machine, and other printing apparatuses.

[Conventional technology]

A conventional printing apparatus has a block diagram shown in FIG.

That is, in FIG. 2, when the base paper 4 is set in a predetermined position and started, the control unit 1 activates the data reading sensor 3.
When driven, the data reading sensor 3 sends the contents of the original paper 4 to the reading control section 1 while moving in the direction of the arrow.

The control unit 1 stores the read data in the don't-try-line buffer sofa 2, and at the same time causes the paper to be fed from the paper cartridge unit 9. When the data has been stored in the dot line buffer 2, the data is read out from the dot line buffer 2, converted into a laser beam 6 through an optical system 5, a latent image is drawn on a photosensitive drum 7, and then a developing device 8
The image is developed and transferred to paper. The transferred paper is fixed in the fixing section 10 and stored in the stacker 12. In this way, in the stacker unit of a conventional printing device, as shown by arrow A in FIG.
On top of that, P2, P2, and then on top of that, P3, P3
It can be layered like this.

(Problems to be Solved by the Invention) However, it is a very troublesome task to organize the printed sheets piled up in the stacker as shown in arrow B in Fig. 3 as described above. In the example printing apparatus, the apparatus with a paper sorting mechanism has the drawback that the apparatus is large and complicated because the sorting is mainly controlled mechanically. It is an object of the present invention to provide a logical paper sorting and stamping device 11 which solves the drawbacks, has a simple device structure, and is inexpensive.

[Means for solving problems]

The present invention is characterized in that it includes a dot image memory that stores data to be printed, and a control section that controls the reading order of the information stored in the dot image memory.

That is, the present invention provides a reading sensor that optically scans the surface of a base paper and converts the information fI into an electrical signal, a memory means that temporarily stores the output information of this reading sensor, and an optical system that stores the readout output of this memory means. In the printing device, the memory means is constituted by a memory having a capacity capable of storing information on a large number of sheets of base paper. and the control means includes means for temporarily storing information of a large number of manuscripts in the memory means, and means for reading the information stored in the memory means by scanning according to a commanded order and providing it to the printing means. It is characterized by including.

[Effect]

Visible data written on a series of multiple base papers is read and all of it is stored in a dot image memory. - A command signal corresponding to the quantity of base paper and the number of copies to be printed is given in advance to the force control circuit. Printing is performed one sheet at a time in succession according to the order of the base paper, and when the order of the base paper finishes the - cycle, it returns to the first order of the base paper and repeats this cycle again. The sheets are stacked one on top of the other, with parts printed on top of each other according to the order of the numbers.

〔Example〕

Embodiments of the present invention will be described with reference to the drawings.

The reading sensor is arranged facing the printing base paper 4, and its electrical output is input to the control section 1. The control section 1 includes a microprocessor and is connected to a readout sequence control section 15 and a dot image memory 21.

The dot image memory 21 is constituted by a large LSI capable of storing data read from a large number of sheets of original paper 4.

The readout sequence control section 15 is connected to an optical system 5, and a laser beam 6 emitted by the optical system 5 is irradiated onto the photosensitive drum 7. The photosensitive drum 7 is configured such that printing is performed on paper supplied from a paper cartridge, and the printed paper 11 is stacked on a stacker 12 via a fixing section 10.

The feature of the present invention is that, as described above, the capacity of the dot image memory 21 is increased, all of the base paper data is read at once, and printing is performed in the order in which it is used.

The operation of this embodiment is such that when the original paper 4 is placed in a predetermined position, the control unit 1 drives the data reading sensor 3 to read the contents of the original paper 4 while moving it in the direction of the arrow. The control section 1 loads the data sent from the data reading sensor 3 into the dot image memory 21 through the reading order control section 15 of the dot image memory 21 (. When finished, the next base paper is stored and the same operation is carried out to store it in the dot image memory 21. When all the base papers 4 are stored in the don't image memory 21, information on the copying order and number of copies is controlled according to the operator's instructions. Part 1
The data is then passed to the read order control unit 15 from the dot image memory 21. Readout sequence: Based on the above information, the controller 15 starts reading data from the dot image memory 21 and sends the read data to the optical system 5. At the same time, the control section I starts feeding the first sheet from the sheet cartridge 9. The data passing through the optical system 5 is converted into a laser beam 6, draws a latent image on a photosensitive drum 9, is developed by a developing device 8, and then transferred to the first sheet of paper. The transferred paper is fixed by the fixing unit 10 and stored in the stacker 12.

Next, copy the data using the dot image memo IJ21.
Then, the image is transferred to the second sheet of paper in the same way as the above operation. When a series of copies is completed, the copy sheet δ
By repeating the above operation for the number of copies according to the number instructions, logically sorted copies can be obtained.

〔Effect of the invention〕

As described above, the present invention has a dot image memory and controls the readout order by sequential output order control from the dot image memory. Since it is possible to obtain sorted copy results, large-scale paper sorting can eliminate the hassle of paper sorting without using a mechanical device, and it has the effect of reducing printing time and making it possible to manufacture printing devices at low cost. .

Furthermore, in the device of the present invention, data on the base paper can be read by -
Since it is only necessary to perform the reading operation once for each sheet of paper, the time required for printing is also shortened compared to a printing apparatus having a conventional structure that requires the reading operation to be performed once for each sheet of paper.

[Brief explanation of the drawing]

FIG. 1 is a block diagram of main parts of an embodiment of the present invention. FIG. 2 is a block diagram of a conventional printing device. Arrow A in FIG. 3 shows the result of copying with a conventional copying machine, and arrow B shows the result of copying with the present invention. 1...control unit, 2...touch line hasher sofa, 3.
...reading sensor, 4...base paper, 5...optical system, 6
... Laser beam, 7... Photosensitive drum, 8... Developing device, 9... Paper cartridge, 10... Fixing unit,
DESCRIPTION OF SYMBOLS 11... Paper, 12... Stacker, 15... Read-out order control part, 21... Dot image memory.

Claims (1)

[Claims] (1) A reading sensor that optically scans the surface of the base paper and converts the information into electrical signals, a memory means that temporarily stores the output information of this reading sensor, and converts the read output of this memory means into optical information. In a printing device comprising a means for converting the converted paper and printing on paper, and a control means for controlling the above two means, the memory means is constituted by a memory having a capacity capable of storing information of a large number of sheets of base paper, The control means includes means for temporarily storing information of a large number of documents in the memory means, and means for reading out the information stored in the memory means in accordance with the order instructed by the operation and providing it to the printing means. A printing device with logical paper sorting characterized by: