JPS60168679A - Image-forming device - Google Patents

Abstract

PURPOSE:To contrive a smaller device, by a method wherein a component member of a paper-feeding passage for manual insertion is retracted into a cassette- containing part with a part detached so as to widen the feeding passage when a material to be provided with an image (paper) jams, in a copying machine or the like. CONSTITUTION:In an automatic paper-supplying part 21, a cassette 21 is detachably fitted to the cassette-containing part 32, and the paper 22 is fed to the first resist roller 23 by a paper-feeding roller 33. On the other hand, in a manual insertion paper-supplying part 21, a manual insertion guide 35 is leveled to open a manual insertion port 34, and the paper 22 is fed to the roller 23 through a feeding passage 37 formed on the upper side of the cassette-containing part 32. The passage 37 is formed by an upper-lower pair of feeding guides 38, the lower feeding guide being pivotally supported by a support shaft 4 so that it can be turned downward. When the paper 22 is jammed, the lower feeding guide 38 is retracted into the cassette-containing part 32 with the cassette 31 detached, and the jammed paper 22 is removed.

Description

DETAILED DESCRIPTION OF THE INVENTION [Technical Field of the Invention] The present invention relates to an image forming apparatus such as a copying machine or a printer.

[Technical background of the invention and its problems]

In the above type of image forming apparatus, conventionally, when a paper jam occurs in a transport path for transporting paper<a image forming body, for example, a pair of transport guides (transfer path constituent members) constituting the transport path are used. ) is known in which it is possible to dispose of the above-mentioned knots by fully retracting one side of the id and widening the transfer path. Due to this necessity, the problem of increasing the size of the equipment was a frequent problem.

[Purpose of the invention]

The present invention has been made based on the above circumstances, and an object of the present invention is to provide an image forming apparatus that can be miniaturized.

[Summary of the invention]

In order to achieve the above object, the present invention provides a cassette for accommodating all image forming objects, a cassette accommodating section for removably accommodating the cassette, and a cassette accommodating section provided adjacent to the cassette accommodating section for manual feeding. It is fully equipped with a transport path for transporting the object to be imaged, and transport path constituent members constituting this transport path, and this transport path configuration dh l' It, the target [l! When the IJ image forming body becomes clogged, the transfer path is expanded, and a portion of the transfer path can be retracted into the cassette storage section with the cassette removed. .

[Embodiments of the invention]

Hereinafter, one embodiment of the present invention will be described with reference to FIG. Reference numeral 1 in the figure shows a main body of an image forming apparatus according to the present invention.An operation panel section 2 is formed on the front upper surface of the main body 1, and a document information reading section 3 is provided on the left side of the main body 1. The right side portion is an image forming section 4.

A display section 5, a numeric keypad 6, key buttons 7, etc. are arranged on the operation panel section 2. In addition, the above-mentioned manuscript information reading section 3
As shown in FIG. 2, l! By reciprocating the r-source light source system inspection section 8 along the lower surface of the document table 9,
The original 10 set on the image forming apparatus 10 is optically scanned, and this optical information is photoelectrically converted and input to the image forming section 4.

Further, the image forming section 4 is configured as shown in FIGS. 2 and 3. That is, a grating 11 is disposed approximately at the center of the image forming section 4, and a thermal head 12 is disposed facing the platen 1.

The thermal head 1-2 is attached to a heat dissipation plate 1 14 integrally formed on the rear end surface of the holder 13, and a ribbon cassette 15 is attached via the holder 13. In this state, a thermal transfer yyn 17 is interposed between the printed portion (supplied portion) 16 and the printed portion 11 . Note that the ribbon cassette 15 is attached to the main body 1.
It can be attached to or removed from the holder 13 via an insertion/distraction 18 formed on the right side surface of the holder. Also,
The insertion/removal port 18 is provided with a door body 19 that can be opened and closed.

Furthermore, below the grating 11, there are provided a manual paper feed section 20 and an automatic paper feed section 21, which will be described later. Lettuce at Nagi 1) After its tip is aligned by o-ra 23.23, it is transferred toward platen 11 and pressed by pressing roller 24.24! It is fed accurately as it is wrapped around Latin 11.

On the other hand, the thermal head 12 presses the paper 22 against the grating 11 via the thermal transfer ribbon 17, so that the ink on the thermal transfer ribbon 17 is heated and melted and transferred onto the paper 22.

The thermal transfer IJ srn 17 has approximately the same size as the paper 22 and has yellow, magenta, and cyan ink areas or yellow, magenta 2, cyan, and black ink areas arranged side by side, and transfers each color one by one. Then, return the sheets 22 to their original positions and stack them one after the other accurately.

In this way, the paper 22 is reciprocated by the number of colors by the forward and reverse rotation of the platen 11. At this time, the paper 22 is moved back and forth by the number of colors, and the paper 22 is transferred to the
1 and 2nd distribution guide 2 are placed on the side 26°2i.
It is designed to be guided by 8°29. Then, the paper 22 to which all colors of ink have been transferred is guided by the second distribution guide 29 to the paper discharge rollers 30, . . . , and is discharged onto the paper discharge tray 25. ing.

Further, the automatic I@paper section 2 stores a cassette 3 containing paper 22 in the cassette storage section 32 in a removable manner from the front side of the main body 1, and also transfers the paper 22 in the cassette 31 to a paper feed roller. (Paper feeding means) 33 sequentially takes out sheets one by one and sends them to the first registration rollers 23 and 23.

On the other hand, the manual paper feeding section 20 is configured as follows. That is, 34 is the g2 provided on the front of the main body 1.
20 manual feed port, and this manual feed port 34 is provided with a manual feed guide 35. This manual feed guide 35 is pivotally supported by a support shaft 36, and can rotate from a standing state to a lying down state. In the standing position, the manual feed port, 7
4 is closed to disable manual paper feeding, and in the lying down state, the manual paper feed opening 34 is opened to enable manual paper feeding. Further, the paper 22 manually fed from the manual feed port 34 along the ID 35 is transferred to the first registration roller 2 through the transfer path 37 formed along the upper surface of the cassette storage section 32.
It is designed to be transferred at the same time as J and 3 J.

The transfer path 37 includes a pair of upper and lower transfer guides 38.3B that guide the upper and lower surfaces 11 of the paper 22Ω, a pair of upper and lower transfer rollers attached to the upper and lower transfer guides 38.38, and ? 9, 39, and also transfer guide 38.38
A pair of upper and lower second registration rollers 40.
40, etc., and the lower transfer guide 38 is rotatably supported on the support shaft 4 at the rear side, and the front side (front side) is supported as shown by the imaginary line. It can be rotated downward and retracted into the cassette storage section 32. At this time, the lower transfer row 239 and the second
Renos) o-ra 40 will also be evacuated. Furthermore, a shaft 42 is provided on the front side of this lower transfer guide 38.
is rotatably attached to the shaft 420, and latches 44 biased by a suge ring 43Vc are fixed to both ends of the shaft 420. When the latch 44 is caught on the bin 46 fixed to the frame 45, the lower transfer guide 38, the transfer roller 39, and the second registration roller 4
0 is kept in the use position. In addition, by rotating a lever 470 provided at the center of the shaft 42, the tip 44 is removed from the bin 46, and the lower transfer guide 38 is removed.
, the transfer roller 39 and the second registration roller 40 are lowered.

When the paper 22 that has been manually fed becomes jammed, the cassette 31 is first pulled out from the cassette storage section 32, and then the transfer guide 38 is retracted into the cassette storage section 32 to widen the transfer path 37. Next, insert the front of your finger into the cassette storage section 32 and remove the jammed paper 22.

The cassette storage section 3 with the cassette 3 removed when a paper 22 jam occurs, according to the above (IIi configuration)
2, the lower transfer guide 38 is retracted, no extra swiss is required, and the device can be made more compact. In addition, the lower transfer roller 39 and the registration roller 40 of the 4th line 2 are also retracted together with the transfer guide 38, and the lit reroller: t
Since the pressures 9 and 40 are released, jams in the paper 22 can be more easily cleared. It is still more effective to attach the feeder 33 to the lower transfer guide 38 and retract it as shown by the imaginary line in FIG.

[Effects of the Invention] As explained above, according to the present invention, a cassette for accommodating an object to be imaged, a cassette storage section for storing the cassette in a removable manner, and a cassette storage section provided adjacent to the cassette storage section. and a transport path for transporting a manually fed object to be imaged, and a transport path component that constitutes this transport path, and the transport path component is configured to: 1. In order to expand the transfer path, a part of the cassette can be retracted into the cassette storage section with the cassette removed, so that excellent effects such as miniaturization of the apparatus can be achieved.

[Brief explanation of drawings]

The drawings show one embodiment of the present invention, and FIG. 1 is a perspective view of the external appearance of an image forming apparatus, FIG. The side view and FIG. 4 are perspective views showing the front side portion of the lower transfer guide. 22... Image formation body (paper), 31... Cassette, 32-1. Cassette storage unit, 37... Transfer path, 38
. . . Transfer path constituent member (transfer guide), 39 . . . Transfer path constituent member (transfer roller), 40 . Figure 1, Figure 2

Claims (2)

[Claims] (1) A cassette containing a M ub+ image forming body;
a cassette storage section that stores the cassette in a removable manner;
It is provided in contact with the cassette storage section 14 and includes a transport path for transporting the manually fed image forming object, and a transport path constituting member that constitutes this transport path, and includes a transport path 4 (*
The Seigun shaver is characterized by having a gutter bottom that can partially retreat to the cassette storage section with the cassette removed in order to expand the transfer path when the image forming object becomes clogged. Let IIfji image form IJ' be the device. (2) The transfer path components include a transfer guide, a transfer roller,
and a pair of alignment rollers sandwiching the conveyance path fJ Vc
%i'r is characterized in that it is configured so that one side of each can be retracted into a cassette storage section.
Claim 1 Item 5 Self-listed! lll1 image forming device [.