JPH06270508A - Printer - Google Patents

Abstract

PURPOSE:To provide a printer wherein a leak of a sound to be generated within a printer during printing for which continuous paper is used is reduced. CONSTITUTION:A printer possesses an opening part 7 for cut-paper hand insertion to a printing part 4 of the inside of the printer and a tractor 6 sending continuous paper to the printing part, and can use selectively the hand insertion cut paper or continuous paper. At the time of hand insertion delivery, the cut paper is guided to an opening part 7 and possesses a hand insertion paper guide plate 9 which is capable of forming the opening part 7 between one end part 1a of a printer case 1 and the same. The guide plate 9 is displaceable between a separation position forming the opening part 7 and a closure position clogging the opening part 7. The tractor 6 is displceable between the first position displacing the guide plate 9 to a separation position and the second position displacing the guide plate to the closure position.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a printer capable of printing by selectively using cut sheets and continuous sheets that are manually fed.

[0002]

2. Description of the Related Art Conventionally, as such a printer, for example, a cut sheet opening for manually feeding a cut sheet to a printing section between a print head and a platen inside the printer, and a fan hold sheet. It is known to have a continuous paper feeding means for feeding such continuous paper to the printing unit, and to selectively print by using cut paper and continuous paper by manual feeding.

[0003]

However, in the above-mentioned prior art, the opening for the cut sheet is always open regardless of whether the cut sheet or the continuous sheet is used, that is, printing is performed using the continuous sheet. Also in this case, since the cut sheet opening is open, there is a problem that the sound generated inside the printer leaks out from the cut sheet opening during printing using continuous paper.

The present invention has been made in view of the above conventional problems, and provides a printer in which sound generated inside the printer is prevented from leaking outside during printing using continuous paper. It is an object.

[0005]

In order to achieve the above object, the present invention provides a cut sheet opening for manually feeding a cut sheet to a printing section between a print head and a platen inside a printer. In a printer having continuous paper feeding means for feeding continuous paper to the printing unit and capable of printing by selectively using cut paper and continuous paper by manual feeding, the cut paper is placed in the opening portion during manual paper feeding. A manual sheet guide plate that guides and forms the opening with a part of the printer case, and the guide plate is separated from the part of the printer case to form the opening. And a closed position that abuts a part of the printer case and closes the opening, and is supported by the printer case such that the continuous paper feeding means engages with the guide plate. The guide plate In which is provided so as to be displaceable between a second position for displacing the guide plate and the first position to displace to the separated position to the closed position.

[0006]

When the continuous paper feeding means is displaced to the first position, the feeding means engages with the manual paper guide plate to displace the guide plate to the separated position, whereby the guide plate is moved from a part of the printer case. When the cut sheet opening is formed at a distance and the continuous paper feeding means is displaced to the second position, the feeding means engages with the manual feed paper guide plate to displace the guide plate to the closed position, thereby guiding the guide paper. The plate contacts a part of the printer case to close the cut sheet opening.

[0007]

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

FIG. 1 shows a printer according to an embodiment of the present invention. As shown in the figure, this printer includes a printer case 1, a cut sheet feeder 5 that automatically feeds cut sheets to a printing section 4 between a print head 2 and a platen 3 inside the printer, and along side edges. Tractor (continuous paper feeding means) 6 that feeds fan hold paper (hereinafter simply referred to as continuous paper) having ears where the feeding holes are aligned to the printing unit 4
And a cut sheet opening that functions as a manual sheet feed port for manually feeding the cut sheet to the printing unit 4 and as a sheet discharge port for discharging the printed cut sheet to the outside during automatic sheet feeding. 7 and a cut sheet feeder 5
It is possible to print by selectively using the cut paper automatically fed by, the cut paper manually fed, and the continuous paper.

The print head 2 is mounted on a carriage 8 and can be reciprocated in the direction perpendicular to the paper surface of FIG. 1 by being guided by the carriage guide shafts 8a, 8a together with the carriage 8.

Further, the printer serves as a guide member for guiding the cut sheet to the cut sheet opening 7 at the time of manual feeding, and serves as a tray for receiving the printed cut sheet at the time of automatic sheet feeding (manual sheet guide). Plate 9). The discharge tray 9 is capable of forming the opening 7 between its tip 9a and one end (part) 1a of the printer case 1.

The paper discharge tray 9 is rotatably supported by the printer case 1 by a support shaft 9b. Output tray 9
Has a front end portion 9a which is separated from one end portion 1a of the printer case 1 to form a cut sheet opening 7 which functions as the manual sheet feeding port, and which guides the cut sheet to the opening portion 7 during manual sheet feeding. Position (position shown in Figure 2)
When the automatic paper feeding position (see FIG. 1) is formed, the front end 9a is separated from the one end 1a to form the cut paper opening 7 that functions as the paper discharge port, and receives the cut paper that has been printed during the automatic paper feeding. Position) and a closed position (position shown in FIG. 3) in which the leading end 9a abuts the one end 1a to close the cut sheet opening 7 (position shown in FIG. 3).

The cut sheet feeder 5 is detachably attached to the attachment portion 1b of the printer case 1 as shown in FIG. The cut sheet feeder 5 is arranged inside the hopper plate 5a for placing cut sheets and the cut sheet feeder 5. The cut sheets loaded on the hopper plate 5a are taken out downward one by one to the inside of the printer from the feeder outlet 5b. To the picking roller 5c and the hopper plate 5a.
A spring 5d for urging to the c side is provided. And
When the cut sheet feeder 5 is detached from the mounting portion 1b of the printer case 1 during the manual feeding shown in FIG. 2 and the continuous paper use shown in FIG. 3, a cover (not shown) that can be attached to the printer case 1 is used. It is designed to cover the mounting portion 1b.

As shown in FIG. 1, inside the printer case 1, the cut sheet fed by the picking roller 5c at the time of automatic sheet feeding by the cut sheet feeder 5 is provided between the print head 2 and the platen 3 and a printing section 4 is provided. A pair of paper feed rollers 10a and 10b for feeding to the printing unit 4 during automatic paper feed
Cut the printed cut paper that has been printed with the cut paper opening 7
From the pair of paper discharge rollers 11 to be discharged onto the paper discharge tray 9
a and 11b and a paper feed motor 12 are provided.

Further, inside the printer case 1, FIG.
As shown in FIG. 2, the left and right horizontal guide plates 20 and 21 located on both sides of the platen 3 and the pair of paper discharge rollers 11a,
A guide plate 22 that guides cut paper and continuous paper in cooperation with the left guide plate 20 near 11b, and guides cut paper and continuous paper in cooperation with the left and right horizontal guide plates 20, 21 near the printing unit 4. Guide plate 23 and right guide plate 2
1 has a guide portion 24a for guiding cut paper and continuous paper in the vicinity of the pair of paper feed rollers 10a and 10b in cooperation with the first paper feed roller 10a, and the printed continuous paper is the first continuous paper discharge port 1c of the printer case 1. Member 2 for guiding diagonally upward toward
And 4 are provided.

Below the right horizontal guide plate 21, a switching claw 25 rotatably supported on the printer case 1 by a support shaft 25a is arranged. This switching claw 25
Part of the opening 21a of the right horizontal guide member 21
Projecting upward from the pair of paper feed rollers 10a, 1
0b, the printed continuous paper sent to the right in FIG. 1 is ejected from the first paper ejection port 1c toward the guide member 24 side, and is projected upward from the opening 21a. First, the printed continuous paper is rotatable with respect to the second switching position that allows the printed continuous paper to move toward the continuous paper second discharge port 1d.

As shown in FIG. 1, the tractor 6 is rotatably supported on the printer case 1 by a support shaft 6a. The tractor 6 has a first position (a position shown in FIG. 2) in which the tip-side upper end portion 6b is engaged with the lower surface of the paper discharge tray 9 to displace the paper discharge tray 9 to the manual feed position.
A second position (the position shown in FIG. 1) in which the upper end portion 6c is engaged with the lower surface to displace the discharge tray 9 to the automatic paper feeding position.
And a third position (a position shown in FIG. 3) in which the front end side upper end portion 6b engages with the lower surface to displace the discharge tray 9 to the closed position.

The tractor 6 is provided with rotary pawls (not shown) which engage with the feed holes formed on both side edges of the continuous paper to feed the continuous paper rightward in FIG. 3, and a continuous paper feed port of the printer case 1. An inlet side guide portion 6d for guiding the continuous paper inserted from 1e (or loaded inside the printer) to the rotary claw, and the continuous paper fed by the rotary claw to the pair of paper discharge rollers 11a, 11
An exit side guide portion 6e for guiding toward the space b is provided. When the tractor 6 is in the third position, the tip of the outlet side guide portion 6e faces the space between the paper discharge rollers 11a and 11b (see FIG. 3).

The picking roller 5c is adapted to rotate in the direction of the arrow in FIG. 1 by the driving force from the feed motor 12 (or another motor) during automatic sheet feeding. The rotation of the feed motor 12 is carried out through the output side gear 30 and the intermediate gear 31 of the feed motor 12 and the gear 32 integral with the paper feed roller 10a and the gear 33 integral with the paper discharge roller 11a.
To be transmitted to each. The rotation of the feed motor 12 is intermediate only when the output side gear 30, the intermediate gear 31, the gear 33, the intermediate gear 34 meshing with the gear 33, and the tractor 6 are in the third position shown in FIG. Gear 35 that is integral with the rotary pawl that meshes with gear 34
Is transmitted to the rotary claw via.

The feed motor 12 rotates the picking roller 5c, the paper feed roller 10a, and the paper discharge roller 11a in the directions of the arrows shown in FIG. 3 during the automatic paper feed shown in FIG. When the continuous paper shown in the figure is used, the gear 35, the paper discharge roller 11a, and the paper feed roller 10a, which are integral with the rotary claw, are controlled by an electronic control unit (not shown) so as to rotate to the arrows shown in FIG. Further, during manual paper feeding shown in FIG. 2, the feed motor 12 rotates the paper discharge roller 11a and the paper feeding roller 10a in the arrow direction shown in FIG. 2 until printing on the manually fed cut paper is completed. Both rollers 10 after completion
It is controlled by the electronic control unit so that a and 11a are reversed.

Further, the tractor 6 is automatically or by pressing an operation button provided on an operation panel (not shown), for example, an operation button for selecting manual paper feeding, automatic paper feeding and continuous paper, respectively. It is adapted to be manually rotated between the three positions. Further, the switching claw 25 is also configured to rotate between the two positions automatically or manually.

Next, the operation of the embodiment having the above structure will be described.

When the tractor 6 is displaced to the first position shown in FIG. 2, the upper end portion 6c of the tractor 6 engages with the lower surface of the paper discharge tray 9 to displace the paper discharge tray 9 to the manual feed position shown in FIG. . As a result, the front end portion 9a of the paper discharge tray 9 is separated from the one end portion 1a of the printer case 1 to form the cut paper opening 7 that functions as the manual paper feed port, and the paper discharge tray 9 is manually inserted. It becomes possible to guide the cut sheet to the opening 7. In this state,
When the cut sheet is placed on the discharge tray 9 and manually inserted, the cut sheet passes through the opening 7 and rotates in the arrow direction in FIG. 1 and the discharge rollers 11a and 11b and the sheet feed roller 10.
Paper discharge rollers 11a, 1 which are sent to the right side in FIG.
1b and the paper feed rollers 10a and 10b feed the paper to the left in the figure, and the paper is discharged from the opening 7 onto the paper discharge tray 9.

When the tractor 6 is displaced to the second position shown in FIG. 1 with the cut sheet feeder 5 attached to the printer case 1, the tip end upper end portion 6b of the tractor 6 engages with the lower surface of the paper discharge tray 9. The paper discharge tray 9 is displaced to the automatic paper feed position shown in FIG. As a result, the output tray 9
The front end portion 9a of the printer case 1 is separated from the one end portion 1a of the printer case 1 to form the cut sheet opening portion 7 that functions as the sheet discharge port, and the discharge tray 9 can receive the printed cut sheet sheet. become. In this state, if an operation button (not shown) for starting printing is operated, the cut sheets loaded in the cut sheet feeder 5 are taken out one by one by the picking roller 5c, and the taken out cut sheets are fed to the paper feed roller 10a. , 10b are sent to the printing unit 4 to be printed, and the cut sheet on which the printing has been completed is ejected by the ejection rollers 11a, 1b.
It is sent by 1b and discharged onto the discharge tray 9 through the opening 7.

With the cut sheet feeder 5 removed from the mounting portion 1b of the printer case 1 and the cover (not shown) attached to the printer case 1 to close the mounting portion 1b, the tractor 6 is moved to the third position shown in FIG. When it is displaced to the position of, the front end side upper end portion 6b of the tractor 6 engages with the lower surface of the paper discharge tray 9 to displace the paper discharge tray 9 to the closed position shown in FIG. As a result, the front end portion 9a of the paper discharge tray 9 contacts the one end portion 1a of the printer case 1 to close the cut paper opening 7.

In this state, if an operation button (not shown) for starting printing is operated, continuous paper is printed with the opening 7 closed. Therefore, the sound generated inside the printer does not leak to the outside from the opening portion 7 during the printing using the continuous paper, and the sound generated inside the printer during the printing is less likely to leak to the outside.

In the above embodiment, the paper discharge tray 9 is rotatably supported by the printer case 1 by the support shaft 9b between the above three positions, but the paper discharge tray 9 is attached to the printer case 1. It may be supported so as to be vertically movable, and the paper discharge tray 9 may be displaced between the above three positions by this vertical movement.

Further, in the above embodiment, the tractor 6 is used.
Is rotatably supported on the printer case 1 by the support shaft 6a between the above three positions, but the tractor 6 is supported on the printer case 1 so as to be vertically movable or horizontally movable. Alternatively, it may be configured to be displaced between the three positions by horizontal movement.

[0028]

As described in detail above, according to the present invention,
When the continuous paper feeding means is displaced to the first position, the feeding means engages with the manual feed paper guide plate to displace the guide plate to the separated position, whereby the guide plate is cut away from a part of the printer case. When the paper opening is formed and the continuous paper feeding means is displaced to the second position, the feeding means engages with the manual feed guide plate to displace the guide plate to the closed position, whereby the guide plate is moved to the printer case. And the cut sheet opening is closed.

Therefore, it is possible to prevent the sound generated inside the printer from leaking to the outside during printing using continuous paper.

[Brief description of drawings]

FIG. 1 is a vertical cross-sectional view showing a printer according to an embodiment of the present invention, showing a state in which cut sheets that are automatically fed are used.

FIG. 2 is a vertical cross-sectional view similar to FIG. 1, showing a state in which a cut sheet by manual feeding is used.

FIG. 3 is a vertical sectional view similar to FIG. 1, showing a state in which continuous paper is used.

[Explanation of symbols]

 1 Printer case 1a One end of printer case (part) 2 Print head 3 Platen 4 Printing part 6 Tractor (continuous paper feeding means) 7 Cut paper opening 9 Manual paper guide plate (paper ejection tray)

Claims (1)

[Claims] 1. A cut sheet opening for manually feeding a cut sheet to a printing section between a print head and a platen inside a printer, and a continuous sheet feeding means for feeding the continuous sheet to the printing section. However, in a printer capable of printing by selectively using cut paper and continuous paper by manual feeding, the cut paper is guided to the opening at the time of manual feeding, and the opening is formed between the cut portion and a part of the printer case. A manual feed paper guide plate capable of forming an opening, and the guide plate contacts the part of the printer case with the separated position where the opening is formed apart from the part of the printer case. The printer case is displaceably supported between the closing position and the closing position, and the continuous paper feeding unit engages with the guide plate to displace the guide plate to the separated position and the first position. Guide plate And a second position for displacing the printer to the closed position.