JPH0728958A - Picture recorder - Google Patents

Abstract

PURPOSE:To record improved pictures by providing a dust removal means on the upstream side of a recording means in the carrier path of a recording medium and removing dust stuck on a picture recording surface. CONSTITUTION:The midstream part of the carrier path 5 for carrying the recording medium 2 is provided with the recording means 18 constituted of a printing head 15, a platen roller 16, a sublimation transfer ribbon 17 and the driving means and further, the upstream side of the recording means 18 is provided with the dust removal means 22 composed of an adhesive roller 20 whose surface is adhesive, an idle roller 21 and the driving means of the adhesive roller 20. The adhesive roller 20 is pressed to the idle roller 21 by a pressurizing means and the carried recording medium 2 is carried while the recording surface 2A is pressed to the adhesive roller 20. The adhesive roller 20 is rotated at a speed for letting the circumferential speed of an adhesive surface and the carrier speed of the recording medium 2 be relatively the same and even when the dust including paper particles is stuck on the recording surface 2A of the recording medium 2, the dust sticks to the adhesive roller 20 and is removed from the recording surface 2A.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an image recording apparatus for recording image information such as transaction contents on a recording medium such as a passbook.

[0002]

2. Description of the Related Art Generally, as an image recording apparatus for recording image information on a passbook or the like, an image transfer apparatus by sublimation transfer printing is used. This image transfer device includes a transfer unit that transfers a print medium (recording medium), for example, a transfer roller and a transfer belt, and a drive system that drives the transfer unit, and a sublimation transfer ribbon that transfers and prints an image on the print medium and the amount of heat applied to it. The main components are a printing means including a printing head for supplying the printing head and a driving system for driving them, and a control means for controlling the driving means and the printing means.

Then, the printing medium taken into the apparatus by the feeding means is fed to the printing means, and the sublimation transfer ribbon is pressed against the printing medium by the printing head with an appropriate pressure to be in close contact with the printing medium and an appropriate amount of heat is applied by the printing head. The dye in the supplied sublimation transfer ribbon sublimes on the image receiving layer of the printing medium.
An image is formed on a print medium by being diffused and transferred and printed.

[0004]

Conventionally, the print medium taken into the apparatus by the conveying means is directly conveyed to the printing means and transferred and printed. But,
If dust such as dust or paper dust adheres to the image receiving surface of the print medium, the dust becomes an obstacle, and there is a drawback that image formation is hindered by sublimation / diffusion of the dye of the sublimation transfer ribbon onto the print medium.

Further, as a countermeasure against the drawback, if the print medium is processed so that it is difficult for paper dust to come out, there is a drawback that the production cost of the print medium increases. Further, it is necessary to handle the print medium with care so that dust such as dust does not adhere to the print medium.

The present invention has been made based on the above circumstances, and an object of the present invention is to reduce the influence of dust even if the dust is attached to the recording surface of a recording medium such as a printing medium in a state in which dust is attached. The present invention provides an image recording apparatus capable of performing excellent image recording without receiving the image.

[0007]

As means for solving the problems, the present invention is a means for conveying a recording medium, a recording means for recording an image on a recording medium conveyed by the conveying means, and controlling them. In the image recording apparatus having the control means, the dust removing means for removing dust adhering to the image recording surface of the recording medium upstream of the recording means in the conveying path of the recording medium conveyed by the conveying means. Is provided.

[0008]

According to the image forming apparatus of the above means, the recording medium conveyed by the conveying means is provided on the conveying path upstream of the recording means.
Since the dust removing means for removing dust adhering to the image recording surface of the recording medium is provided, even if the dust is inserted in the recording surface of the recording medium such as a print medium,
Since the dust on the recording surface is removed before the recording by the recording means, the image is not affected by the dust and good image recording can be performed.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below in detail with reference to the drawings. In FIG. 1, reference numeral 1 denotes an apparatus main body, an insertion opening 3 for inserting a printing medium 2 as a recording medium at one end of the apparatus main body 1, and an ejection opening 4 for ejecting the printing medium 2 at the other end.
Are formed.

Further, inside the apparatus main body 1, there is formed a conveying path 5 for conveying the print medium 2 such as a passbook inserted from the insertion opening 3 toward the discharge opening 4. Further, in the vicinity of the insertion port 3 in the apparatus main body 1, that is, on the upstream side of the transport path 5, a pair of transport rollers 6, 6 positioned above and below the transport path 5 are interposed.
(Only one shown) and transport rollers 7, 7 (only one shown)
And are provided.

Further, in the vicinity of the discharge port 4, that is, on the downstream side of the transport path 5, a pair of transport rollers 8 and 8 (only one is shown) and a transport roller 9, which are located above and below the transport path 5, respectively.
9 (only one shown).

The upper conveying rollers 7, 7 and 9, 9 are
The lower transport rollers 6, 6 and 8, 8 are in rolling contact with each other, and the lower transport rollers 6, 6 and 8, 8 are
It is adapted to be rotationally driven by a driving means (not shown), and constitutes a carrying means 10 for carrying the print medium 2.

Further, in the middle stream portion of the transport path 5, there is provided a printing means 18 as a recording means comprising a printing head 15, a platen roller 16, a sublimation transfer ribbon 17 and a driving means (not shown) for driving these. ing.

Further, as shown in FIG. 2, an adhesive roller 20 having an adhesive surface, an idle roller 21, and an adhesive roller 20 are provided upstream of the position where the printing means 18 is provided.
There is provided a dust removing means 22 including a driving means (not shown) for rotating the.

The adhesive roller 20 is pressed against the idle roller 21 with an appropriate pressure by a pressing means (not shown). Further, a control board 25 as a control means is provided on the bottom of the apparatus main body, and each control of each section of the apparatus is performed.

Thus, the print medium 2 inserted into the insertion opening 3 with the recording surface 2A of the print medium 2 facing upward is taken in by the conveying rollers 6, 6 and the conveying rollers 7, 7 in the right direction in FIG. Be transported.

The print medium 2 that has been taken in and conveyed has a recording surface 2
A is conveyed while being pressed against the adhesive roller 20 by the idle roller 21. The pressure-sensitive adhesive roller 20 rotates at a speed at which the peripheral speed of the pressure-sensitive adhesive surface and the transport speed of the print medium 2 are relatively the same, and includes the paper dust on the recording surface 2A of the print medium 2 as shown in FIG. The dust 26 is the adhesive roller 20.
And is removed from the recording surface 2A.

The printing medium 2 from which the dust 26 has been removed by the adhesive roller 20 is conveyed to the printing means 18 by the conveying means 10. In the printing unit 18, the sublimation transfer ribbon 17 is pressed against the printing medium 2 by the printing head 15 with an appropriate pressure and is brought into close contact with the printing medium 2, and the printing head 15 supplies an appropriate amount of heat. As a result, the dye in the sublimation transfer ribbon 17 is sublimated and diffused on the recording surface 2A of the print medium 2, and an image such as transaction information is transferred and printed on the print medium 2.

After that, the print medium 2 is conveyed by the conveying rollers 8, 8
And, it is discharged from the discharge port 4 by the transport rollers 9, 9. In this way, dust 26 on the recording surface 2A of the print medium 2 ...
Even if the adhesive is attached, the adhesive roller 2 is provided upstream of the printing unit 18.
Since it is removed by 0, a printed image with good image quality can be obtained. The present invention is not limited to the above-described embodiments, and it goes without saying that various modifications can be made without departing from the spirit of the present invention.

[0020]

As described above, according to the present invention, even if dust is attached to the image receiving surface of the print medium, dust is removed by the dust removing means upstream of the printing means, so that a printed image of good quality can be obtained. can get. At the same time, if the print medium is processed so that it is difficult to generate paper dust, the manufacturing cost of the print medium will increase, and it will not be necessary to take care of handling the print medium to prevent dust and other dust from adhering to the print medium. Produce an effect.

[Brief description of drawings]

FIG. 1 is a schematic configuration diagram showing an embodiment of an image forming apparatus of the present invention.

FIG. 2 is an explanatory view showing a dust removal state in a main part of the embodiment.

[Explanation of symbols]

1 ... Device main body, 2 ... Printing medium (recording medium), 2A ... Recording surface, 3 ... Inserting port, 4 ... Ejecting port, 5 ... Conveying path, 6, 7,
8, 9 ... Conveying rollers, 10 ... Conveying means, 15 ... Printing head, 16 ... Platen roller, 17 ... Sublimation transfer ribbon, 1
8 ... Printing means (recording means), 20 ... Adhesive roller, 21 ...
Idle roller, 22 ... Dust removing means, 25 ... Control board (control means), 26 ... Dust.

Claims (3)

[Claims] 1. An image recording apparatus, comprising: a conveying means for conveying a recording medium; a recording means for recording an image on the recording medium conveyed by the conveying means; and an image recording apparatus having a control means for controlling the conveying means. An image recording apparatus, comprising: a dust removing unit that removes dust adhering to an image recording surface of the recording medium, upstream of the recording unit on a conveyance path of the recording medium conveyed by the recording medium. 2. An image recording apparatus having a conveying means for conveying a recording medium, a recording means for recording an image on the recording medium conveyed by the conveying means, and a control means for controlling the conveying means, An image recording apparatus, characterized in that an adhesive roller for removing dust adhering to an image recording surface of the recording medium is provided upstream of the recording means in a conveying path of the recording medium conveyed by the means. 3. An image recording apparatus having a conveying means for conveying a paper-like recording medium, a recording means for recording an image on the paper-like recording medium conveyed by the conveying means, and a control means for controlling them. In the above, a paper dust removing means for removing paper dust adhering to the image recording surface of the paper-like recording medium is provided upstream of the recording means in the conveyance path of the recording medium conveyed by the conveying means. An image recording device characterized by.