JPH04182227A - Facsimile device using usual paper as recording paper - Google Patents

Abstract

PURPOSE:To make a recording paper cassette possible to be drawn out to an operation surface side so as to make its installation space small by forming such a layout as making one side surface of a discharged paper tray side an operation surface, and discharging a document set on the upper surface of the device on the operation surface side to the opposite side upper surface after reading it. CONSTITUTION:A recording paper cassette 6 is arranged in the bottom part of a device, and the recording paper is discharged in a discharged paper tray 11 after being record. Such a structure is provided for rendering this discharged paper tray 11 side an user operation surface, and discharging a document set on a setting bed 31 in the upper surface of the device on the operation surface side into a discharged paper tray 37 in the upper surface of the device on the opposite side after reading it. Therefore, the discharged paper tray 37 can be erected in a steep slope, and is no projection on both sides in right and left, therefore a setting area can be made minimum. Moreover, since the cassette 6 is constituted in such a way as being possible to be drawn out to the operation surface side, and recording paper supplement from the operation surface side and the like is possible, it becomes needless to widely open both sides in right and left.

Description

DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to a facsimile device that uses plain paper as recording paper, and particularly relates to a layout for reducing the installation space of the device.

(Prior Art) Conventionally, this type of facsimile machine has been of type A or type B shown in FIG.

That is, when an operator operates, when viewed from the surface facing the device (herein referred to as the operation surface), in both types A and B, the original to be sent or the recording paper flows horizontally;
In the case of type B, they are fed out and then ejected without being turned over, while in the case of type B, they are turned over midway through.

In both types A and B, the recording paper cassette is placed at the bottom of the device, and the recording paper fed out from the cassette is conveyed upward along one side of the device. In this layout, the photoreceptor, transfer charger, and fixing section are sequentially arranged upward along one side. With this configuration, the width of the device can be reduced, and since the recording paper conveyance path is close to one side, the cover on that side can be opened and closed, making it easier to handle jams when they occur. It has the advantage that it can be used, and it has been widely adopted recently.

(Problems to be Solved by the Invention) However, in the case of the A type, the A3 document support stand protrudes by 150 to 260 mm on the right side of the apparatus. This protrusion is necessary to the extent that it is 50 mm inward from the trailing edge of the document; if it is less than that, the trailing edge of the document will sag, which will impede automatic document feeding performance.

In addition, there is a problem that the recording paper discharge tray protrudes from the left side of the apparatus, resulting in an increase in the installation area.

Furthermore, in the B type, the original or recording paper is inverted and ejected onto the top surface of the apparatus, so the operation panel is placed on the front side of the apparatus, resulting in a large depth. Further, the document support stand still protrudes by 150 to 260 mm on the right side of the apparatus.

The present invention is an attempt to solve the above-mentioned problems of the prior art.The present invention aims to reduce the size and installation area of the device as much as possible, and also uses plain paper as recording paper to facilitate handling when a jam occurs. The purpose is to provide a facsimile device that can

(Means for Solving the Problems) In order to achieve this object, the present invention arranges a recording paper cassette of plain paper at the bottom of the device, and the recording paper fed out approximately horizontally from the recording paper cassette is transferred to the device. In a facsimile machine that outputs paper through a pair of registration rollers, a transfer charger, and a fixing unit arranged sequentially upward along one side to an output tray provided at the top of one side, one side of the device provided with the output tray is used. The layout is such that a user operation surface is used, and a document set on the top surface of the device on the side of the operation surface is read and then discharged to the top surface of the device on the opposite side, and a recording paper cassette can be pulled out to the side of the operation surface.

Further, the recording paper cassette pull-out member is provided with a pair of registration rollers and one roller of each of a pair of relay rollers disposed between the pair of registration rollers and the recording paper cassette, and each pair of rollers is separated from each other when the cassette is pulled out. composition.

(Function) According to the structure, the document to be sent is configured to flow from the operation surface side to the back side, and the document output tray installed at the back side can be set up on a steep slope, so the device The installation area becomes smaller.

Also, if a jam occurs before the registration roller pair,
By pulling out the cassette, each roller pair is separated and can be easily removed. Also, jams that occur later can be easily removed by opening the cover on the operation surface side where the fixing section and transfer charger are located. can be removed.

(Example) Hereinafter, embodiments will be described in detail with reference to the drawings.

FIG. 1 shows an embodiment of the present invention. is a photoreceptor belt, which circulates in the direction of the arrow.

Reference numeral 2 denotes a precharger that uniformly charges the photoreceptor belt 1 in advance. 3 is a laser beam that selectively irradiates the photoreceptor belt according to the image and forms a latent image by exposing it; 4 is a developing roller that applies toner to the latent image and develops it; 5 is the photoreceptor belt 1 This is a transfer charger that transfers the toner image formed thereon to recording paper 8 made of plain paper that has been separated and fed from recording paper cassette 6 by a feed roller ruff.

9 is a fixing unit consisting of a fixing roller and a pressure roller;
The recording paper onto which the toner image has been transferred is heated and fixed. Reference numeral 10 denotes a discharge roller that discharges the fixed recording paper onto a paper discharge tray 11. Further, I2 is a blade that scrapes off toner remaining on the photoreceptor belt 1''2, and the removed toner is stored in the cleaning tank 13. Reference numeral 14 denotes a static elimination lamp for removing charges remaining on the photoreceptor belt 1.

15 is a toner cartridge that stores toner to be supplied to the developing section, and the toner is transported by a toner conveying screw 16.
The toner is collected at the toner discharge port 17, passes through the toner guide 18, and falls into the developer toner receiver 9. The toner is further distributed uniformly by the toner conveying screw 20, and falls into the developer hopper 21 to be replenished.

Note that the toner guide] 8 is arranged close to either end of the toner cartridge 15 so as not to obstruct the optical path of the laser beam.

Further, reference numeral 22 denotes a rotation fulcrum of a cover 28 on one side of the apparatus in which the transfer charger 5, the fixing unit 9, the ejection roller 10, and the paper ejection tray 11 are arranged, and as shown in FIG. The cover 28 can be opened and closed by rotating around the center. 24 is a protective cover that protects the photoreceptor belt 1 from touching by hands, etc.; 25 is a pre-transfer guide plate;
Reference numeral 26 denotes a handle for taking out the photoreceptor unit, and the protective cover 24, the pre-transfer guide plate 25, and the handle 26 are integrally formed. When the life of the photoreceptor belt 1 has come to an end, the photoreceptor unit (including the photoreceptor belt and the conveyance rollers that tension it) can be pulled out in the direction of the arrow in FIG. 2 by holding the handle 26. Further, the toner cartridge 15 and cleaning tank 13 are also integrated, and when replenishing toner, these are also pulled out in the direction of the arrow and replaced with a new one.

Reference numeral 23 denotes a pair of registration rollers, which serves to send out the recording paper fed out from the recording paper cassette 6 via the relay roller pair 27 in synchronization with the photoreceptor belt 1 on which a toner image is formed. Here, as shown in FIG. 3, the recording paper cassette 6 is constructed so that it can be pulled out toward the recording paper ejection surface side of the apparatus, and a pair of registration rollers 23 and a pair of relay rollers 27 are attached to the cassette pull-out member 29. One roller 2
3a and 27a are arranged. Therefore, each pair of rollers is separated from each other by pulling out the cassette.

On the other hand, the transmission document reading section is arranged at the top of the apparatus. That is, 31 is a document setting table, and 32 is a separating/feeding section which separates and feeds a plurality of documents stacked one on top of the other. 33 is a conveying roller, 34 is a light source that illuminates the document being conveyed, and reflected light from the document is guided by a mirror 35, imaged on a CCD 36, and photoelectrically converted. The original document that has been read is discharged onto the paper discharge tray 37.

In this embodiment configured as described above, when the cover 28 side on one side of the apparatus provided with the recording paper output tray 11 is used as the user operation surface, Because the layout is such that the set document is ejected to the paper ejection tray 37 provided on the upper surface of the device on the opposite side after being read, the paper ejection tray 37
7 on a steep slope of about 45 degrees. In other words,
Even if the leading edge of the ejected document hangs down, it does not need to fall, so the document eject tray 37 should be kept at least l.
It is sufficient to protrude by about OOmm. Furthermore, since there is nothing protruding from the left and right sides when viewed from the operation surface, the installation area can be minimized.

(2) Furthermore, by arranging the layout so that the recording paper cassette 6 can be pulled out toward the operation surface side, recording paper can be replenished from the operation surface side, so there is no need to open the left and right sides widely.

(2) Furthermore, one roller 23 of each of the pair of registration rollers 23 and the pair of relay rollers 27 is attached to the recording paper cassette pull-out member 29.
a, 27a are arranged so that each pair of rollers is separated from each other when the cassette is pulled out, so if a jam occurs in the stage before the pair of registration rollers 23, it can be easily eliminated by pulling out the cassette. . Furthermore, if a jam occurs at a stage subsequent to the registration roller pair 23, it can be easily removed by opening the cover 28. In this case, the parts to be opened and closed are mainly the fixing device 9 and the transfer charger 5. This part is made smaller and easier to operate.

(Effects of the Invention) As explained below, according to the present invention, the dimensions of the device of the present invention with vertical flow and no reversal are shown in comparison with the conventional example in FIG. 4C. The installation space can be minimized, and the part that opens and closes for jam removal can be downsized to improve operability.

[Brief explanation of the drawing]

FIG. 1 is a configuration diagram of an embodiment of the present invention, FIG. 2 is a diagram showing a partially opened state of the cover in which the fixing unit and transfer chartia of the same embodiment are arranged, and FIG. 3 is a diagram showing the recording paper. FIG. 4, which shows the state in which the cassette part is pulled out to the operation surface side, is a diagram comparing the dimensions of the conventional example and the embodiment of the present invention. 1...Photoreceptor belt, 5...Transfer charger,
6... Recording paper cassette, 9... Fixing unit, 11... Recording paper output tray, 23... Registration roller pair, 27... Relay roller pair, 29...
・Recording paper cassette drawer member, 3]・Document set table, 3
7. Document output tray. Patent applicant Ricoh Co., Ltd.-11=

Claims (2)

[Claims] (1) Place the plain paper recording paper cassette at the bottom of the device,
The recording paper fed out almost horizontally from the recording paper cassette,
A facsimile machine in which paper is ejected through a pair of registration rollers, a transfer charger, and a fixing unit arranged sequentially upward along one side of the device to an ejection tray provided at an upper part of the one side, wherein the facsimile machine is equipped with the ejection tray. One side is the user operation surface, and the layout is such that documents placed on the top of the device on the operation surface side are read and then ejected onto the top of the device on the opposite side, and the recording paper cassette can be pulled out to the operation surface side. A facsimile machine that uses plain paper as recording paper. (2) The recording paper cassette pull-out member is provided with a pair of registration rollers and one roller of each of a pair of relay rollers disposed between the pair of registration rollers and the recording paper cassette, and when the cassette is pulled out, each pair of rollers is mutually connected to each other. A claim characterized in that the jammed paper can be removed by separating it (
1) A facsimile machine that uses plain paper as the recording paper.