JPH101240A - Printer - Google Patents

Abstract

PROBLEM TO BE SOLVED: To fit a manual insert tray onto a printer at a low cost. SOLUTION: A recording paper conveyance passage 14 leading to a printer 28 from a paper feeding cassette 21 is fitted onto a facsimile terminal device 11. A reversing part 14a for reversing recording paper is fitted between the paper feeding cassette 21 and the printer 28. The reversing part 14a is covered with a rear panel 31 so as to open and close. A paper guide 35 which forms a manual insert recording paper conveyance passage 36 is fitted integrally with the rear panel 31. By using the paper guide 35, manual insert printing can be conducted. It is also possible to reduce the number of parts used, thus providing manufacturing cost reduction.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

[0001] 1. Field of the Invention [0002] The present invention relates to a printing apparatus for conveying and printing paper, for example.

[0002]

2. Description of the Related Art Conventionally, for example, a facsimile apparatus 1 shown in FIG. 3 is known. The facsimile apparatus 1 has a case body 2, and a paper feed cassette 3 that can be inserted and removed from the front side at the bottom of the case body 2.
A printing device (not shown) is provided above the sheet cassette 3. In the facsimile machine 1, the paper fed from the paper feed cassette 3 is conveyed along a U-shaped inverted paper conveyance path near the rear end of the case body, and is provided with a printing unit including a photosensitive drum. To be sent to In addition, a connector 5 is provided on the rear surface portion 4 of the facsimile machine 1 so as to receive print data from the outside and use it as a printer. Further, a rear panel 6 that can be opened and closed facing the sheet transport path is provided on the rear surface portion 4.
Then, while the rear panel 6 is closed, a paper transport path that continues from the paper feed cassette 3 to the printing unit is formed. By opening the rear panel 6, the paper stopped in the paper transport path is removed. The jam is released.

[0003]

By the way, in a facsimile apparatus which can be used as a printer today,
There is a demand for a function of feeding and printing sheets such as postcards one by one. Therefore, in the above-described conventional configuration, a configuration is conceivable in which a paper insertion port communicating with the paper conveyance path is provided on the rear surface portion 4 of the case body 2 and a manual feed tray for guiding paper inserted into the paper insertion port is attached. . However, this configuration has a problem that the number of parts where the structure is changed is large and the number of parts is increased, so that the manufacturing cost is increased.

SUMMARY OF THE INVENTION The present invention has been made in view of the above circumstances, and has as its object to provide a printing apparatus capable of realizing a manual feed function and the like with a simple configuration.

[0005]

A printing apparatus according to the present invention includes a first paper transport path for transporting a paper, and an openable and closable panel provided facing the first paper transport path. The panel is integrally provided with a paper guide that forms a second paper transport path that merges with the first paper transport path.

[0006] In this configuration, the paper guide forming the second paper transport path is provided integrally with the panel used for removing the paper in the first paper transport path. Can be transported, a manual feed function, etc. are realized, and an increase in the number of parts is suppressed.
Manufacturing costs are reduced.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the printing apparatus according to the present invention will be described below with reference to the drawings.

In FIG. 1 and FIG. 2, reference numeral 11 denotes a facsimile apparatus as a printing apparatus.
Is provided with a case body 12 constituting an outer shell.
Inside, a recording paper transport path 14 as a first paper transport path for transporting recording paper as a paper sheet, and a document transport path 15 for transporting a transmission original or the like are provided.

A paper cassette (paper cassette) 21 for stacking and storing recording papers is detachably mounted on the lower side of the case body 12, and is inverted from the paper cassette 21 into a substantially U-shape. A recording paper transport path 14 is formed through the reversing section 14a to a recording paper discharge port 22 formed in the front of the case body 12, and is located downstream of the reversing section 14a.
Along the line, an electrophotographic printing unit 24 is arranged. The printing unit 24 includes a toner unit 25 filled with toner, a developing unit 26 including a photosensitive drum 26a, and a printing device 28 including an optical system 27 that forms an electrostatic latent image on the photosensitive drum 26a. Fixing roller 29a
And a fixing device 29 having the same.

Therefore, when printing is performed using the recording sheets stacked and stored in the sheet cassette 21, first, the recording sheets stacked and stored in the sheet cassette 21 are peeled one by one. The recording paper is then fed into the recording paper transport path 14. Then, after the recording paper is conveyed so as to be reversed along the reversing portion 14a, the toner image is transferred from the photosensitive drum 26a when passing through the printing device 28, and then passes through the fixing device 29. At this time, the toner image is heated and fixed on the recording paper by the fixing roller 29a, and the recording paper is discharged to the recording paper discharge port 22 side.

A rear panel (rear panel) is provided on the rear surface (back surface) of the case body 12. The rear panel 31 covers the outer peripheral side of the reversing portion 14a of the recording paper transport path 14 so as to be openable and closable, and is provided on a shaft portion 32 rotatably supported by the case body 12 and on the case body 12 side. Engagement receiving part
33 and an engaging portion 34 which is disengageably engaged. Thus, it is possible to convey the recording paper from the paper feed cassette 21 with the rear panel 31 closed, and as shown by the two-dot chain line in FIG. It is possible to remove recording paper jammed in the printer, that is, to clear a jam.

Further, a paper guide 35 is formed integrally with the rear panel 31 to constitute a manual feed tray. The paper guide 35 protrudes rearward and upward from the upper portion of the rear panel 31, and the upper surface of the paper guide 35 linearly merges with the recording paper transport path 14 upstream of the fixing device 29. Manual recording paper transport path 36 as a paper transport path for
Are formed. That is, this manual recording paper transport path
36 joins the recording paper conveyance path 14 near the downstream end of the reversing portion 14a via a recording paper insertion opening 37 provided between the rear panel 31 and the case body 12, and A sensor 38 for detecting whether or not recording paper has been inserted into the manual recording paper conveyance path 36 is provided downstream of the portion.

Therefore, the recording paper is inserted into the recording paper insertion port at the leading end.
When it is placed on the paper guide 35 with it inserted from 37,
The sensor 38 detects the recording paper, and automatically or by an operation of an operator or the like, the recording paper is fed from the manual recording paper conveyance path 36 to the printing device 28 by a feed roller 39 provided on the downstream side of the sensor 38. It is conveyed and printed.

As shown in FIG. 2, a pair of left and right cursors 35L and 35R are provided on the upper surface of the paper guide 35 along the recording paper conveyance direction.
An auxiliary tray 35a is provided at the front end, that is, at the rear end, to form a manual feed tray. Each of the cursors 35L and 35R slides in a direction intersecting the recording paper conveyance direction to guide both sides of the recording paper,
35a is rotatable in both directions (in the direction of the arrow shown in FIG. 2) about a rotation shaft (not shown), and is stored below the paper guide 35 and protruded toward the leading end as required. And you can choose. Therefore, the paper guide 35 can slidably and stably hold recording paper of A4 standard size to recording paper of postcard size.

On the other hand, an operation panel 41 provided with a keyboard, a liquid crystal display, and the like, an upper cover 42 provided with an inclined platen for setting a transmission document, and the like are provided above the case body 12. Then, below the operation panel 41,
A document conveyance path 15 is formed from a document insertion port 44 opening on the document table side to a document discharge port 45 formed above the recording paper discharge port 22 on the front surface of the case body 12 and opened. A transmission unit (not shown) that reads a transmission original is provided along the original transport path 15.

Then, the transmission originals stacked and placed on the original platen are drawn one by one into the original conveyance path 15 from the original insertion opening 44, read by the transmission unit, and read out by the original discharge opening 45.
It is to be discharged from.

A receiver (not shown) is attached to one side of the case body 12 as needed. A connector (not shown) connected to a computer or the like is provided on the rear surface or side surface of the case body 12, so that the facsimile apparatus 11 can be used as a printer.

According to the present embodiment, the rear panel 31 for conveying the recording paper and clearing the jam and the rear panel are usually attached to and detached from the rear of the product as necessary so that the recording paper can be set one by one. Since the paper guide 35 (manual feed tray) is integrated, for example, manual printing can be performed when the facsimile machine 11 is used as a printer for postcard printing, and an increase in the number of parts can be suppressed and manufacturing costs can be reduced. it can.

Further, even if the paper guide 35 is integrated with the rear panel 31, the recording paper transport from the paper feed cassette 21 is not affected and smooth printing can be performed, and the jam can be removed as in the conventional case. .

Further, the recording paper insertion opening 37 can also utilize the gap between the case body 12 and the paper guide 35, and there are few changes due to the presence or absence of the manual feed tray.
By selecting the rear panel 31 provided with the paper guide 35 and the rear panel not provided with the paper guide 35, both the facsimile apparatus 11 provided with the manual feed tray and the facsimile apparatus provided with no manual feed tray can be easily and inexpensively configured. .

In the above-described embodiment, the facsimile apparatus has been described. In addition, the present invention can be applied to copiers, printers, and other office equipment for conveying and printing paper. it can.

[0022]

According to the printing apparatus of the present invention, the paper guide forming the second paper transport path is integrally provided on the panel used for removing the paper in the first paper transport path. The paper can be conveyed along the path described above, and a manual feed function can be realized. In addition, an increase in the number of components can be suppressed, and manufacturing costs can be reduced.

[Brief description of the drawings]

FIG. 1 is a sectional view of a facsimile apparatus showing an embodiment of a printing apparatus according to the present invention.

FIG. 2 is a perspective view of the facsimile machine.

FIG. 3 is a perspective view of a conventional printing apparatus.

[Explanation of symbols]

 11 Facsimile machine as printing device 14 Recording paper transport path as first paper transport path 31 Rear panel as panel 35 Paper guide 36 Manual paper recording paper transport path as second paper transport path

──────────────────────────────────────────────────続 き Continuation of the front page (51) Int.Cl. ⁶ Identification number Agency reference number FI Technical display location G03G 15/00 550 G03G 15/00 550

Claims (1)

[Claims] A first sheet conveyance path for conveying a sheet; and an openable and closable panel provided facing the first sheet conveyance path, wherein the panel includes the first sheet conveyance. The second to join the road
And a sheet guide that forms the sheet transport path.