JPH04905B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a recording device, and more specifically:
The present invention relates to a recording device having a function of sorting outputted recording paper according to a series of information.

As a prior art, there is an automatic sorter called a sorter for sorting and organizing recording paper output from a recording device, such as a laser printer, into a series of information, but such a sorter is provided separately from the recording device. The equipment became larger and more expensive.

There is also a technology that sorts the paper by moving the tray that ejects and stacks the recording paper after recording in a direction perpendicular to the conveyance direction of the recording paper for each set of information, but this requires a drive system and the configuration is complicated. .

The purpose of the present invention is to solve the above-mentioned technical problems,
It is an object of the present invention to provide a recording device capable of sorting outputted recording paper according to a series of information with a simple configuration.

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a perspective view of an embodiment of the present invention, and FIG. 2 is a longitudinal sectional view thereof. Recording device 1
is provided above the recording section 3 that includes the photoreceptor 2 and the body 4 that houses the recording section 3, and includes an optical system section 5 that emits laser light to the recording section 3 and a control section 6. A cover body 7 is provided above the body 4 to cover the optical system section 5 and the control section 6. An operation display panel 8 including operation switches and indicator lamps is provided on the upper surface of the cover body 7.

On the right side of the body 4, a plurality of (two in this embodiment) paper feeding means 40a are provided vertically (two in this embodiment) for feeding the recording paper after recording with at least one side edge shifted in a direction perpendicular to the conveying direction. 40b is provided. The upper paper feeding means 40a is composed of an upper paper feeding cassette 10a, a cassette opening 9a formed in the machine body 4, and a paper feeding roller 21a, and the lower paper feeding means 40b is composed of a lower paper feeding cassette 1.
0b, a cassette opening 9b formed in the body 4, and a paper feed roller 21b. The paper feed cassettes 10a and 10b are removably attached to cassette openings 9a and 9b, respectively, which are formed by shifting at least one side end of the recording paper from each other in a direction perpendicular to the conveyance direction. The upper paper feed cassette 10a and the lower paper feed cassette 10b contain recording paper 20 of the same size.
a and 20b are stored respectively. In the recording apparatus according to the present invention, as described above, the paper feed cassette 10
a and 10b are configured such that at least one side edge of the recording paper is at a position shifted from each other in a direction perpendicular to the conveyance direction (perpendicular to the plane of the paper in FIG. 2). Control unit 6
Paper is fed from either the upper paper feed cassette 10a or the lower paper feed cassette 10b in response to a signal from the upper paper feed cassette 10a or the lower paper feed cassette 10b. On the left side of the machine 4, there is a paper output tray 1.
1 is provided protrudingly.

The laser beam emitted from the optical system section 5 in the recording section 3 is directed to the photoreceptor 2 as shown by an arrow 13 from an opening 12 formed on the upper surface of the body 4 and extending in a direction perpendicular to the paper plane of FIG. irradiated. The photoreceptor 2 is
A photosensitive layer is provided on the outer peripheral surface of a rotating drum 14 having a right cylindrical shape.

Around the photoreceptor 2, there is a rotation direction 15 of the photoreceptor 2.
A charging corona discharger 16, a magnetic brush developing device 17, a transfer corona discharger 18, and a static eliminator 19 are arranged in this order along. Paper cassette 10
Sheet-like recording paper 20 stored in a and 10b
a, 20b are selectively fed either up or down by paper feed rollers 21a, 21b, and sent to a transfer area 24 by a conveying means 23 including a pair of conveying rollers 22. After the recording paper 20 is brought into close contact with the photoreceptor 2 in this transfer area 24, the recording paper 20 is passed through a static eliminator 19.
The sheets are separated by the action of the separation roller 25 and are discharged from a pair of paper discharge rollers 28 onto the paper discharge tray 11 via a guide path 26 and a heat fixing means 27, where they are stacked. The photoreceptor 2 is a charging corona discharger 16
After being charged by the action of the photoreceptor 2, an electrostatic latent image is formed on the photoreceptor 2 by being irradiated with laser light in the exposure area 29. This electrostatic latent image is visualized by a magnetic brush developing device 17. Further, the image on the photoreceptor 2 is transferred to the recording paper 20 by the transfer area 24.
a or 20b, and the transferred image is thermally fixed by the heat roller 30 and pressure roller 31 of the heat fixing means 27, and then discharged and stacked on the tray 11.

FIG. 3 shows the optical system section 5 and paper feeding means 40a, 4.
FIG. 4 is a perspective view of a main part related to 0b, and FIG. 4 is a diagram for explaining the photoreceptor 2, the recording papers 20a and 20b, and the scanning width of the laser beam. The optical system section 5 is
Basically, it includes a laser source 32, a modulator 33, a rotating polygon mirror 34, and an imaging lens 35. A modulation signal from the control section 6 described above is input to the modulator 33 , and the laser light from the laser source 32 is modulated by this modulation signal and enters the rotating polygon mirror 34 . The laser beam emitted to scan in the horizontal direction (perpendicular to the plane of the paper in FIG.
5, passes through the aperture 12 provided in the body 4 of the recording section 3 as described above, and passes through the axis of the photoreceptor 2 as indicated by the arrow 13 on a straight line as indicated by the imaginary line 41 in FIG. It is irradiated like this. A laser light detector 36 is provided above the photoreceptor 2 to detect that the scanning end of the laser light is irradiated with the laser light.

On the other hand, paper feed cassettes 10a and 10b of the same shape
are arranged to be shifted by a predetermined width W1 in the direction perpendicular to the conveying direction of the recording papers 20a and 20b, and correspondingly, the recording papers 20a and 20b of the same size are also fed shifted by the width W1, so that After transfer and thermal fixation, the sheets are discharged and stacked onto the tray 11 in a state shifted by the width W1.

The paper feed cassette 1 is now above the signal from the control unit 6.
When the recording paper 20a is fed from 0a, the laser light is not modulated during the period when the laser light scans the width W3+W1 after being detected by the laser light detector 36, that is, the period when the laser light reaches the recording paper 20a. W3+
After scanning W1, period modulation is performed to scan the width W2 of the recording paper. After a series of information has been recorded on the recording paper 20a, the recording paper 20b is fed from the lower paper feeding cassette 10b in response to a signal from the control section 6. When the recording paper 20b is fed, the laser beam is detected by the laser photodetector 36, and the period during which the laser beam scans the width W3, that is, the period when the laser beam reaches the recording paper 20b, is not modulated and scans the width W3. After that, modulation is performed. After another series of information has been recorded on the recording paper 20b, the paper is again fed from the upper paper cassette 10a. In this way, by alternately feeding the upper or lower sheets for each series of information, the recording sheets are discharged and stacked on the tray 11 with at least one side edge shifted for each series of information.

FIG. 5 is a block diagram showing a configuration for achieving the above-described operation. A computer 37 external to the recording device 1 inputs the paper feed cassettes 10a and 10b.
A signal indicating which direction the paper should be fed from and a signal indicating information to be recorded are input to the control device 38 of the control section 6. An operation signal from the operation panel 8 and a detection signal from the laser light detector 36 are similarly input to the control device 38. In response to a signal from the control device 38, one of the modulator 33 of the optical system section 5, the upper sheet feeding means 40a, and the lower sheet feeding means 40b of the recording section 3 is operated to perform recording. That is, paper is fed from either one of the paper feed cassettes 10a and 10b, and a series of information is recorded.

FIG. 6 is a waveform diagram of a signal input from the computer 37 of FIG. 5 to the control device 38. First, a signal P1 for feeding paper from, for example, the upper paper feed cassette 10a is derived, and then a signal P2 representing a series of information is derived. After the series of information has been derived, a signal P3 for feeding paper from the lower paper feed cassette 10b is derived, and then a signal P4 representing another series of information is derived. In this way, the upper and lower paper feed cassettes 10a, 1 are
A signal is derived to alternately feed sheets from 0b.

As another embodiment of the present invention, a copying machine is provided with a paper feeding means for feeding copy paper as a recording paper shifted in the width direction for each original, and the original on the original mounting table is The position may be changed depending on whether the paper is top fed or bottom fed, and the paper is placed and copied. This makes it easy to sort each document when making multiple copies of the same document.

In the embodiment described above, the paper feed cassettes 10a and 10b were provided offset from each other in the direction perpendicular to the transport direction in order to feed the recording sheets 20a and 20b in a direction perpendicular to the transport direction. As another embodiment, the paper feed cassette may be enlarged so that the recording paper is accommodated and fed so as to be shifted in the paper feed cassette in a direction perpendicular to the conveying direction, without shifting the paper feed cassette.

In the above-mentioned embodiment, paper is fed alternately for each series of information from the upper and lower two stages of paper feeding means, but in other embodiments of the present invention, paper may be fed by three or more stages of paper feeding means. good.

As described above, according to the present invention, since at least one side edge of the recording paper after recording is shifted in the direction perpendicular to the conveyance direction and discharged and stacked, it is easy to sort the recording paper after recording with a simple configuration. becomes.

[Brief explanation of drawings]

FIG. 1 is a perspective view of an embodiment of the present invention, FIG. 2 is a vertical sectional view of FIG. 4 is a diagram showing the positional relationship between the laser beam, the photoreceptor, and the recording paper, FIG. 5 is a block diagram related to the control unit 6, and FIG. 6 is a waveform diagram of the signal derived from the computer 37 in FIG. be. DESCRIPTION OF SYMBOLS 1... Recording device, 2... Photoreceptor, 3... Recording section, 5... Optical system section, 6... Control section, 10a, 1
0b...Paper feed cassette, 20a, 20b...Recording paper, 21a, 21b...Paper feed roller, 40a, 4
0b...Paper feeding means.

Claims (1)

[Claims] 1. A plurality of paper feeding means are provided to feed the recording paper with at least one side edge shifted in a direction perpendicular to the conveyance direction,
A recording apparatus characterized in that the paper feeding means is selected for each series of information units.