JPS60257473A - Image forming device - Google Patents

Abstract

PURPOSE:To improve the use efficiency of a device by setting either of a picture recording device and a picture display device freely attachably and detachably to use the optional picture recording (display) device as a picture display recording device. CONSTITUTION:A picture display device 24 has an endless image carrying belt 28 as a display medium which is stretched around rolls 25-27. One of rolls 25- 27 (the roll 25 in the figure) is a hollow roll and is arranged near a photosensitive drum 1 and has a transfer charger 29 internally, and a toner image developed on the photosensitive drum 1 by a toner developing device 5 is transferred onto the image carrying belt 28 by the transfer charger 29. A pair of dowels 101 are fixed to the inside of the side face of a picture recording device 100, and a tapped hole 102 is provided on the upper face near a toner hopper 6. A casing cover 23 is set to the picture recording device by engagement between dowels 101 and notches 103 and a screw 104.

Description

DETAILED DESCRIPTION OF THE INVENTION (1) Description of the field to which the invention pertains The present invention relates to a device for displaying and recording images, and more particularly, to a device for displaying and recording images, and in particular, a device for displaying and recording images by switching between displaying and recording images as necessary using a single device main body. It relates to a device for carrying out the process.

(2) Description of the Prior Art Conventionally, as a means of obtaining an image on a sheet-like material, a toner image formed on an intermediate recording medium such as a photosensitive drum is transferred to a sheet-like material, and the toner image on this sheet-like material is transferred to the sheet-like material. Image forming apparatuses such as copying machines that fix and output images are known.

Further, examples of image display devices that form a toner image on an endless image bearing belt and display this toner image visually from the outside are disclosed in JP-A-58-98746 and JP-A-58-987.
48, such an image display device can use an image forming method similar to that used in copying machines and the like.

Therefore, the applicant of the prior patent application proposed an image display/recording device that switches between displaying and recording images as needed from a single device main body.

This image display recording device transfers a toner image formed on a drum-shaped intermediate recording medium to either a transfer sheet such as a copy paper or a display medium such as an image carrying belt as necessary. It is composed of

This image display/recording device uses an intermediate recording medium, an image forming means, etc. in common for both image display and image recording, so the image recording device and image display device can be combined into one unit. This makes it possible to provide the same functions as installing one at a time at a lower cost and in a more compact form.

By the way, this image display recording device has the above-mentioned #O<S
It has two functions: displaying and recording images, but depending on its usage, one of displaying and recording is often used much more frequently than the other. Therefore, in such a case, during the total usage time of the device,
Infrequently used functions are not used for a large amount of time,
The two functions of displaying and recording images are not working effectively, resulting in a large amount of waste.

(3) Purpose of the Invention In view of the above-mentioned points, the present invention is an apparatus that can add an image display function or a recording function as necessary to a device that normally has only an image recording function or a display function. The present invention aims at eliminating the drawbacks shown in the conventional example.

Another object of the present invention is that one image display (or recording) device can be commonly attached to a plurality of image recording (or display) devices, and if necessary, any image recording (or display) device can be attached to the image recording (or display) device. The purpose of the present invention is to improve the efficiency of use of the device by providing a device that can be used as an image display/recording device.

(4) Summary of the Invention The summary of the invention consists of an intermediate recording medium, an image forming means for forming an image on the intermediate recording medium, and an image forming means for transferring the image on the intermediate recording medium to a sheet-like material and outputting the image. It has an image recording device and an image display device that transfers an image on an intermediate recording medium to a display medium and displays it visually, and one of the image recording device or the image display device is detachably attached. The image forming apparatus is characterized in that:

(5) Explanation of the structure and operation of the invention Embodiments of the present invention will now be described with reference to the drawings.

FIG. 1 shows a side sectional view of an image recording apparatus to which the present invention is applied.

The photosensitive drum 1, which is an intermediate recording medium of the present image recording apparatus 100, is an electrophotographic photosensitive drum having a photoconductor such as selenium or CdS on its surface, and rotates in the direction indicated by the arrow. After the surface of the photosensitive drum is charged with a uniform potential by the charger 2, the LED array 3, which has a large number of LED elements arranged in parallel in the direction perpendicular to the plane of the drawing, is activated in response to the input image signal. The Cell Phone Cleanse Array 4 emits light, and the Cellphone Cleanse Array 4
By forming an image of light emitted from the D array 3 on the photosensitive drum 1, an electrostatic latent image corresponding to the image signal is formed on the surface of the photosensitive drum 1.

5 is a toner container, in which the toner 7 in the toner hopper 6 is stored.
By bringing the electrostatic latent image on the photosensitive drum 1 into contact with the surface of the photosensitive drum 10 using the magnet roll 8, the electrostatic latent image on the photosensitive drum 1 is made visible by the toner 7.

The transfer paper 10 loaded in the cassette 9 is transferred to the paper feed roller 1
By rotating at a predetermined timing, the sheets are fed into the apparatus one by one and sent to the transfer section 14 via the conveying roller 13 in synchronization with the rotation of the register roller 20. In the transfer section 14, a transfer charger 15 is provided at a position facing the photosensitive drum 1, and the toner image on the photosensitive drum 1'' is transferred onto the transfer paper 10 by the transfer charger 15. After passing through the transfer section 14, the transfer paper 10 is separated from the photosensitive drum 1 by a separation belt 16 and sent to a fixing device 18 by a conveyor belt 17. The transfer paper 10, on which the toner image has been fixed by the fixing device 18, is discharged onto a paper discharge tray 20f by a paper discharge roller 9.

On the other hand, the photosensitive drum 1 after passing through the transfer section 14 is cleaned by a cleaner 2.
The toner remaining on the surface is removed by the cleaning blade 1, and the toner is uniformly charged again by the charger 2 and used for the next image formation.

In the apparatus having the above configuration, the exterior cover 23 near the photosensitive drum 1 can be removed by opening in the direction of the arrow B and then lifting it in the direction of the arrow B. This attachment/detachment mechanism will be explained in detail later.

FIG. 2 shows a side sectional view of an image display recording apparatus showing an embodiment of the present invention. This image display/recording device is obtained by removing the exterior cover 23 of the image recording device 100 shown in FIG. 1 and attaching an image display device 24 thereto.

This image display device 24 includes rollers 25,26.

It has an endless image carrying belt 28 which is a display medium and is suspended over a length of 27. Low 225.

One of the rollers 26 and 27 (25 in the figure) is a hollow roller, which is arranged close to the photosensitive drum 1 and has a transfer charger 29 inside. Therefore, the toner image developed on the photosensitive drum 1 by the toner developing device 5 is transferred onto the image carrying belt 28 by the transfer charger 29.

The image carrying belt 28 rotates and the toner image on the image carrying belt 28 is displayed on a display section 32 provided on the exterior of the image display device 24.
When the image carrier belt 28 is moved to a position facing the transparent glass 31 (a transparent glass 31 is fixed to the opening 30), the image carrier belt 28 stops, and the toner image on the image carrier belt 28 can be visually recognized from the direction of arrow C. When the image bearing belt 28 rotates again, this toner image is removed by a cleaner 33 provided opposite to the roller 27.
The image bearing belt 28 is removed by a cleaning blade 34, and the image bearing belt 28 is used for the next image formation. Additionally, the toner removed from the image bearing belt 28 by the cleaning blade 34 is collected into the toner dropper 6 of the developing device 5 and used again for image formation.

The attaching/detaching mechanism of the exterior cover 23 and the image display device 24 used in the image display/recording device having the above configuration will be described below.

FIG. 3 is a perspective view of the image recording device 100 and the exterior cover 23.

A pair of dowels 101 are fixed to the inner side of the image recording apparatus 100, and a screw hole 102 is still provided on the upper surface near the toner hopper 6. On the other hand, on both lower sides of the exterior cover 23, there are notches 10 that fit into the dowels 101.
3 is provided, and the above still has a dowel bolt 104 which locks into the screw hole 102. Exterior cover 2
3 is the fitting of the dowel 101 and the notch]03 and the screw]04
is attached to the image recording device.

FIG. 4 is a perspective view of the image display device 24.

The image display device 24 also has a notch 103 and a hole 104 (not shown) in the outer cover 23 and the same.

FIGS. 5(a) and 5(b) are explanatory views when the exterior cover 23 and the image display device 24 are removed from the image recording apparatus 100.

FIG. 5(a) shows the outer cover 23 from the image recording device 100.
Indicates when to remove. Loosen the bolts 104, rotate the exterior cover 23 around the dowel 101 in the direction of arrow A,
The exterior cover 23 can be easily removed by moving it to the position shown by the dashed line and then lifting it in the direction of arrow B.

FIG. 5(b) shows the image recording device i? 1 The case where the image display device 24 is removed from the OO is shown. In this case as well, do the same thing as when removing the exterior cover 23 above (the bolts 10
The image display device 24 can be easily removed by loosening the screws 4, rotating the image display device in the direction of the arrow to the position shown by the dashed line, and then lifting it in the direction of the arrow B.

Moreover, the exterior cover 23 and the image display device 24 can be easily attached to the image recording apparatus 100 by performing the above-described removal procedure in reverse.

(6) Other Embodiments FIG. 6 shows a side sectional view of an image display recording apparatus which is another embodiment of the present invention. In FIG. 6, components with the same numbers as those described in the previous embodiment have the same functions.

In FIG. 6, the image display device 24'' has a photosensitive drum 1 as an intermediate recording medium, and an image recording value U 100'' is stored in the image display device 24 and in the removable ITI'. be. As shown in the figure, by separating the image recording device 100 from the image display device 2.1'', the image display device 24'' can reproduce and display images by itself, and record images as needed. device 100
By installing this, it becomes an image displaying and recording device that can both display an image and record the image on the transfer paper 10.

As described above, in the present invention, by configuring either the image display device or the image recording device to be detachably attached to the image display recording device, it is possible to eliminate the drawbacks described in the conventional example. It became.

(Explanation of Effects) As described above, by using the present invention, it becomes possible to easily configure a device that performs only one of displaying and recording images as needed, as an image displaying and recording device, and furthermore, Since the image forming means for forming displayed and recorded images can be shared, it has become possible to eliminate the drawbacks mentioned in the conventional example.

Furthermore, if only one of the functions of image display and image recording is required, the unreliable parts can be removed and used, making it possible to use the device in a streamlined configuration.

[Brief explanation of drawings]

FIG. 1 is a side sectional view of an image forming apparatus to which the present invention is applied;
FIG. 2 is a side sectional view of the image forming apparatus assembled as an image display recording apparatus, FIG. 3 is a perspective view of the image forming apparatus and exterior cover of the embodiment, and FIG. 4 is an external perspective view of the image display apparatus. 5(a) is a side view illustrating the case of removing the exterior cover from the image forming apparatus, and FIG. 5(b) is a side view illustrating the case of removing the image display device from the image forming apparatus. FIG. 6 is a side sectional view of an image forming apparatus showing another embodiment of the present invention. 1. Photosensitive drum, 5. Developing device, 23. Exterior cover, 24. Image display device, 28. Image carrying belt, 1
00... Image recording device. Applicant Canon Co., Ltd.

Claims (3)

[Claims] (1) An intermediate recording medium, an image forming means that forms an image on the intermediate recording medium, an image recording device that transfers the image on the intermediate recording medium to a sheet-like material and outputs it, and an image on the intermediate recording medium. an image display device that transfers an image of the image to a display medium and visually displays the image, and one of the image recording device or the image display device is detachably attached to the image forming device. . (2) comprising an intermediate recording medium, an image forming means for forming an image on the intermediate recording medium, and an image recording device for transferring and outputting the upper image of the intermediate recording medium onto a sheet-like material, Furthermore, the image forming apparatus is characterized in that an image display device that transfers the image on the intermediate recording medium to a display medium and visually displays the image is detachable. (3) An intermediate recording medium, an image forming means for forming an image on the intermediate recording medium, and an image display device for transferring the image on the intermediate recording medium to a display medium and visually displaying the image. An image forming apparatus further comprising: an image recording device that transfers an image on a vaginal intermediate recording medium to a sheet-like material and outputs the image; the image recording device is detachable;