JP2023099192A - Inkjet recording device - Google Patents

Abstract

To provide an inkjet recording device which inhibits enlargement in a lateral direction.SOLUTION: A multifunction machine 10 includes: a carriage 67 which moves in a lateral direction 9; a recording head 65 which is mounted on the carriage 67 and discharges an ink from nozzles; an ink refill case 61 which is connected to the recording head 65 so that the ink may be supplied thereto; caps 74, 75 which receive the ink discharged from the recording head 65; and a movable waste ink tank 110 connected to the caps 74, 75 so that the ink can circulate thereto. The ink refill case 61 is located at a position which does not overlap with the carriage 67 in an anteroposterior direction 8 and partially located at the right side relative to a movable range of the carriage 67. The movable waste ink tank 110 is located at a position which overlaps with the ink refill case 61 in the lateral direction 9 and located at the right side relative to the movable range of the carriage 67.SELECTED DRAWING: Figure 5

Description

The present invention relates to an ink jet recording apparatus having a waste liquid reservoir for storing ink sucked from a recording head.

2. Description of the Related Art An inkjet printing apparatus is known that prints an image on a sheet by ejecting ink from ejection openings of a printing head. In such an inkjet recording apparatus, in order to remove foreign matter from the ejection openings of the recording head, an inkjet recording apparatus is provided with a maintenance section that sucks foreign matter from the ejection openings of the recording head with a pump and stores the sucked foreign matter in a waste liquid tank. A device is known (Patent Document 1).

In the recording apparatus disclosed in Japanese Patent Application Laid-Open No. 2002-200000, an ink cartridge mounting portion for mounting an ink cartridge is arranged on one side of the paper feed cassette in the movement direction of the carriage (hereinafter referred to as the "left and right direction"). A waste liquid tank is arranged on the other side in the horizontal direction.

JP 2015-112844 A

Users who use large-capacity ink cartridges or large-capacity ink tanks are expected to frequently use inkjet recording apparatuses. When the inkjet recording apparatus is used frequently, the frequency of maintenance increases, and the amount of ink stored in the waste liquid tank also increases.
Therefore, in an ink jet recording apparatus having a large capacity ink reservoir such as an ink cartridge, it is necessary to increase the size of the waste liquid reservoir in accordance with the size of the ink reservoir. However, various components are arranged inside the inkjet recording apparatus. Therefore, in order to suppress the enlargement of the ink jet recording apparatus, it is necessary to arrange the ink storage section in a space efficient manner at a position that does not interfere with other parts.

In the configuration described in Patent Document 1, when the ink cartridge mounting portion is enlarged laterally outward where other components do not exist in order to prevent interference with other components, the waste liquid tank is also laterally extended accordingly. It will be enlarged outward. Therefore, in addition to the size increase due to the ink cartridge mounting portion, the size of the ink jet recording apparatus is further increased due to the waste liquid tank.

SUMMARY OF THE INVENTION The present invention has been made in view of the above circumstances, and an object of the present invention is to provide an inkjet recording apparatus that is prevented from becoming large in the horizontal direction.

(1) An inkjet recording apparatus according to the present invention includes a carriage that moves in a first direction, a recording head that is mounted on the carriage and that ejects ink from nozzles, and is connected to the recording head so that ink can be supplied. an ink reservoir that receives ink discharged from the recording head; and a first waste liquid reservoir that is communicatively connected to the ink reservoir. The ink reservoir is positioned so as not to overlap the carriage in a second direction orthogonal to the first direction and the vertical direction, and at least a portion thereof is positioned outside the range of movement of the carriage in the first direction. are doing. The first waste liquid reservoir is located at a position overlapping the ink reservoir in the first direction and outside the range of movement of the carriage.

According to the above configuration, the first waste liquid reservoir is arranged at a position where the presence of the ink reservoir does not affect the enlargement of the apparatus in the first direction. Therefore, the first waste liquid reservoir can be arranged with good space efficiency without interfering with other components. As a result, the device is prevented from becoming large in the first direction.

(2) Preferably, the inkjet recording apparatus further includes a feed tray positioned below the recording head and supporting the sheet. The first waste liquid reservoir is positioned to overlap the feed tray in the vertical direction, and the upper end of the first waste liquid reservoir is located above the upper end of the feed tray.

According to the above configuration, since the height of the first waste liquid reservoir is higher than the upper end of the feed tray, more waste liquid is stored in the first waste liquid reservoir.

(3) Preferably, the inkjet recording apparatus further includes a housing, and the first waste liquid reservoir is detachable from the housing.

According to the above configuration, it is possible to replace the first waste liquid reservoir. In addition, the first waste liquid reservoir is space-efficiently arranged at a position where it is easy to attach and detach without interfering with other parts during attachment and detachment.

(4) Preferably, the housing has a guide portion that movably guides the first waste liquid reservoir in a direction intersecting with the first direction.

According to the above configuration, the first waste liquid reservoir can be easily moved while avoiding obstacles.

(5) Preferably, the ink jet recording apparatus further comprises a second waste liquid reservoir connected to the ink receiving section and the first waste liquid reservoir so that ink can flow therethrough. is located at a position overlapping the movement range of the carriage in the first direction and between the ink reservoir and the carriage in the second direction.

According to the above configuration, since the second waste liquid storage section is provided in addition to the first waste liquid storage section, more waste liquid is stored.

(6) Preferably, the first waste liquid reservoir has a first holder that holds ink, and the second waste liquid reservoir has a second holder that holds ink. The first holding body and the second holding body are in contact.

According to the above configuration, the ink held in the second holding body in the second waste liquid reservoir moves from the second holding body to the first holding body through the contact portion between the first holding body and the second holding body. In addition, the ink more reliably moves from the second waste liquid reservoir to the first waste liquid reservoir.

(7) Preferably, the first holding body and the second holding body are in contact with each other in the vertical direction with the first holding body located below and the second holding body located above.

According to the above configuration, the ink can easily move from the second holder to the first holder.

(8) Preferably, the second waste liquid reservoir is fixed to the housing.

According to the above configuration, since the ink receiving section is connected to the second waste liquid storage section, the configuration of the first waste liquid storage section is simplified.

(9) Preferably, the inkjet recording apparatus further includes a wiper capable of coming into contact with the recording head, and the first waste liquid reservoir is arranged against the wiper so that the recording head comes into contact with the wiper. is located upstream in the direction of movement.

According to the above configuration, the ink remaining on the surface of the recording head is scattered from the wiper after being wiped by the wiper. When ink is splashed from the wiper, the first waste liquid reservoir receives the splashed ink.

(10) Preferably, the first waste liquid reservoir has a holder that holds ink and a reservoir housing that accommodates the holder, and the reservoir housing is positioned toward the wiper. It has openings arranged in it.

According to the above configuration, the ink scattered from the wiper is held by the first holder.

(11) The inkjet recording apparatus according to the present invention extends in a third direction perpendicular to the conveying direction of the sheet, and includes a recording head for ejecting ink from nozzles toward the sheet, and a recording head and ink. an ink reservoir connected in a supplyable manner; an ink receiving section for receiving ink discharged from the recording head; and a first waste liquid reservoir connected to the ink receiving section so as to allow the ink to flow. ing. The ink reservoir is positioned so as not to overlap the recording head in a fourth direction orthogonal to the third direction and the vertical direction, and at least a portion of the ink reservoir is located outside the recording head in the third direction. ing. The first waste liquid storage section is positioned to overlap the ink storage section in the third direction and is located outside the recording head.

According to the present invention, since the first waste liquid reservoir is arranged at a position that does not affect the size increase in the left-right direction, the increase in the size of the apparatus in the left-right direction is suppressed.

FIG. 1 is a perspective view of the multifunction device 10. FIG. FIG. 2 is a schematic diagram showing the internal configuration of the printer section 14. As shown in FIG. FIG. 3 is a schematic diagram showing the configuration of the maintenance mechanism 70. As shown in FIG. FIG. 4 is a perspective view showing the internal configuration of the printer section 14, showing a state where the carriage 67 is positioned at the maintenance position and the movable waste ink tank 110 is positioned at the mounting position. FIG. 5 is a plan view showing the internal structure of the printer section 14, showing a state where the carriage 67 is positioned at the maintenance position and the movable waste ink tank 110 is positioned at the mounting position. FIG. 6 is a plan view showing the internal structure of the printer section 14, showing a state where the carriage 67 is positioned at the center in the left-right direction 9 and the movable waste ink tank 110 is positioned at the non-installed position. FIG. 7 is a perspective view showing the appearance of the fixed waste ink tank 80 and the movable waste ink tank 110 as seen from the upper left, and shows the state where the movable waste ink tank 110 is positioned at the mounting position. FIG. 8 is a perspective view showing the appearance of the fixed waste ink tank 80 and the movable waste ink tank 110 as seen from the upper right, and shows the state where the movable waste ink tank 110 is positioned at the mounting position. FIG. 9 is a sectional view showing the AA section of FIG. FIG. 10 is a cross-sectional view of the fixed waste ink tank 80 taken along line BB of FIG. FIG. 11 is a cross-sectional view of the movable waste ink tank 110 taken along line BB of FIG. FIG. 12 is a schematic partial cross-sectional view of the fixed waste ink tank 80 and the lower cover 30 taken along line CC of FIG. 13 is a schematic partial cross-sectional view of the movable waste ink tank 110 and the guide portions 131 and 132 along the DD cross section of FIG. FIG. 14 is a cross-sectional view taken along the line BB of FIG. 8 and showing the state where the movable waste ink tank 110 is positioned at the mounting position. FIG. 15 is a plan view showing the internal configuration of the printer section 14 in the modified example.

Embodiments of the present invention will be described below. It should be noted that the embodiment described below is merely an example of the present invention, and it goes without saying that the embodiment of the present invention can be modified as appropriate without changing the gist of the present invention. In the following description, the vertical direction 7 is defined based on the state in which the multifunction device 10 is installed for use (the state shown in FIG. 1), and the front-rear direction 8 (second An example of a second direction and a fourth direction) are defined, and a left-right direction 9 (an example of a first direction and a third direction) is defined when the MFP 10 is viewed from the front.

[Overall Configuration of MFP 10]
A multi-function device 10 (an example of an inkjet recording apparatus) has various functions such as a print function and a scan function. As shown in FIG. 1, the multifunction device 10 has a generally rectangular parallelepiped shape as a whole, which is composed of a printer housing 11 (an example of housing) and a scanner housing 12 stacked above the printer housing 11 . ing. An operation panel 13 having various operation buttons and a liquid crystal display is provided on the front surface of the multifunction device 10 .

The printer housing 11 constitutes the outer wall of the printer section 14 that records an image on a recording paper 19 (see FIG. 2, an example of a sheet). As shown in FIG. 2 , the printer section 14 records an image on the recording paper 19 conveyed from the feed tray 20 and discharges the recording paper 19 on which the image is recorded to the discharge tray 21 . The feed tray 20 and the discharge tray 21 can be attached to and detached from the printer housing 11 through an opening 22 (see FIG. 1) formed in the front surface of the printer housing 11 . A scanner housing 12 (see FIG. 1) constitutes an outer wall of an image reading section having a flatbed scanner. A detailed configuration of the image reading unit is omitted in this embodiment.

[Printer unit 14]
As shown in FIG. 2 , the feed roller 25 is positioned above the feed tray 20 . The feeding arm 26 rotatably supports the feeding roller 25 . The feeding roller 25 moves in the vertical direction 7 according to the thickness of the bundle of recording papers 19 supported by the feeding tray 20, and the feeding arm 26 rotates as the feeding roller 25 moves. do. The feed roller 25 is rotated by transmission of rotation of a motor (not shown) by a drive transmission mechanism 27 such as a gear train. As the feed roller 25 rotates while contacting the recording paper 19 on the feed tray 20 , the uppermost recording paper 19 among the stacked recording papers 19 is fed to the transport path 23 .

The transport path 23 bends upward from the rear end of the feed tray 20 and toward the front of the printer section 14 and extends substantially linearly along the front-rear direction 8 toward the discharge tray 21 . The transport path 23 is positioned substantially at the center in the horizontal direction 9 inside the printer housing 11 (see FIG. 1). A transport roller pair 54 and a discharge roller pair 55 are provided in the transport path 23 . The conveying roller pair 54 and the discharge roller pair 55 nip the recording paper 19 in the conveying path 23 and convey it in the conveying direction 15 . The recording paper 19 fed from the feed tray 20 is conveyed to at least one of the conveying roller pair 54 and the discharging roller pair 55, thereby making a U-turn from the bottom to the top along the conveying path 23. 24 , and after image recording is performed by the recording unit 24 , the sheet is discharged to the discharge tray 21 .

The recording unit 24 performs image recording using an inkjet method. The recording unit 24 has a recording head 65 and a carriage 67 . The carriage 67 is positioned above the transport path 23 . The carriage 67 moves along guide rails 43 and 44 (see FIGS. 4 to 6) extending in the left-right direction 9 by transmission of drive of a motor (not shown) by a belt drive mechanism (not shown). do. The recording head 65 is mounted on a carriage 67 . A platen 66 is positioned below the recording head 65 . The platen 66 extends over the area where the carriage 67 moves (in other words, the entire area of the transport path 23 in the left-right direction 9), and supports the recording paper 19 transported along the transport path 23 from below. The recording head 65 faces the platen 66 . When the carriage 67 moves in the left-right direction 9 , the recording head 65 selectively ejects ink onto the recording paper 19 supported by the platen 66 to record an image on the recording paper 19 .

As shown in FIG. 3, a plurality of nozzles 69 are opened on the bottom surface of the recording head 65 . A plurality of nozzles 69 are arranged in rows along the transport direction 15 (see FIG. 2).
Four rows of nozzles 69 are formed corresponding to the ink colors of cyan, magenta, yellow, and black, for example.

As shown in FIGS. 4 to 6, the printer housing 11 has a lower cover 30 that mainly constitutes part of the front surface and the lower surface of the multifunction device 10. As shown in FIG. An upper cover 29 (see FIG. 13), which mainly constitutes the side and rear surfaces of the multifunction machine 10, is assembled above the lower cover 30 to form the printer housing 11. As shown in FIG.

The lower cover 30 has a lower wall 31 forming a lower surface, and a right wall 32 and a left wall 33 defining a space 34 in which the feed tray 20 is accommodated. The right wall 32 and the left wall 33 respectively protrude upward from the lower wall 31 and extend in parallel along the front-rear direction 8 .
A space 34 in the center portion of the lower wall 31 in the left-right direction 9 is partitioned over the front-rear direction 8 by the right wall 32 and the left wall 33 . A space 35 is formed in the lower cover 30 above the lower wall 31 and to the right of the right wall 32 . In the space 35, there are a maintenance mechanism 70 (see FIG. 6), an ink refill case 61, a fixed waste ink tank 80 (an example of a second waste liquid reservoir), and a movable waste ink tank 110 (an example of a first waste liquid reservoir). be accommodated.

[Ink refill case 61]
As shown in FIGS. 4 to 6, the printer section 14 has an ink refill case 61. As shown in FIG. The ink refill case 61 is positioned in front of the space 35 . The ink refill case 61 is box-shaped with an opening on the front surface. The ink refill case 61 is equipped with a plurality of ink cartridges 62 (see FIG. 2, an example of an ink storage section) that store respective color inks to be supplied to the recording head 65 . A plurality of tubes 63 corresponding to ink colors extend from the ink refill case 61 in which each ink cartridge 62 is mounted to the recording head 65 , and ink is supplied from the ink cartridges 62 to the recording head 65 through the tubes 63 . be done. An ink cartridge is inserted into or removed from the ink refill case 61 from the front surface of the multifunction device 10 through the opening 48 of the lower cover 30 .

The ink refill case 61 and the ink cartridge 62 are positioned forward of the carriage 67 in the space 35 of the lower cover 30 . In other words, the ink refill case 61 and the ink cartridge 62 are positioned so as not to overlap the carriage 67 in the front-rear direction 8, that is, at different positions. The right ends of the ink refill case 61 and the ink cartridge 62 are positioned to the right of the right end of the movement range of the carriage 67 in the left-right direction 9 , that is, to the right of the right ends of the guide rails 43 and 44 . That is, at least a portion of the ink refill case 61 and the ink cartridge 62 are arranged outside the movement range of the carriage 67 in the left-right direction 9 .

[Maintenance Mechanism 70]
As shown in FIG. 6 , the maintenance mechanism 70 is located in the space 35 below the movement path of the recording head 65 and to the right of the right end of the platen 66 . Note that the maintenance mechanism 70 is positioned below the carriage 67 when the carriage 67 is positioned at the right end of the movement range in the left-right direction 9 . As shown in FIG. 3 , the maintenance mechanism 70 sucks ink from each nozzle 69 of the recording head 65 and discharges the sucked ink to the fixed waste ink tank 80 . Hereinafter, the ink discharged from each nozzle 69 by the maintenance mechanism 70 is referred to as "waste ink". Note that FIG. 3 schematically illustrates the fixed waste ink tank 80 in order to show that the maintenance mechanism 70 and the fixed waste ink tank 80 are connected by tubes 76 and 77. It does not show the positional relationship between the tank 80 and other components.

As shown in FIG. 3 , the maintenance mechanism 70 has a movable portion 71 , a cam mechanism 72 for moving the movable portion 71 in the vertical direction 7 , tubes 76 and 77 , and a pump 73 . The movable portion 71 has caps 74 and 75 (an example of an ink receiving portion) made of a rubber material. The caps 74 and 75 face the lower surface of the recording head 65 in the vertical direction 7 when the carriage 67 is positioned at the maintenance position above the movable portion 71 . The cam mechanism 72 is operated by a driving force transmitted from a motor (not shown) to move the movable portion 71 in the vertical direction 7 . The caps 74 and 75 come into contact with the lower surface of the recording head 65 when the movable portion 71 moves upward.
At this time, the cap 74 covers the rows of the nozzles 69 that eject black ink, and the caps 75 cover the rows of the cyan, magenta, and yellow nozzles 69 . One ends of tubes 76 and 77 are connected to the caps 74 and 75, respectively. The tubes 76 and 77 are flexible resin tubes.

The pump 73 is, for example, a rotary tube pump that is driven by a motor (not shown). The pump 73 communicates with the closed space between the lower surface of the recording head 65 and the caps 74 and 75 through tubes 76 and 77 . When the pump 73 is driven with the caps 74 , 75 covering the nozzles 69 , the pressure inside the caps 74 , 75 becomes negative, and the ink discharged from the nozzles 69 is received by the caps 74 , 75 . Waste ink received in the caps 74 and 75 flows into the fixed waste ink tank 80 through the tubes 76 and 77 by the operation of the pump 73 . The inner space of the tube 76 is a channel through which air flows, and the inner space of the tube 77 is a channel through which waste ink flows.

[Wiper 45]
As shown in FIG. 6 , the maintenance mechanism 70 has wipers 45 . The wiper 45 is located at the same position as the nozzles 69 (see FIG. 3) of the recording head 65 in the front-rear direction 8, and is within the movement range of the nozzles 69 in the left-right direction 9 and to the left of the caps 74 and 75. located towards The wiper 45 has a shape that extends in the vertical direction 7 and is long in the front-rear direction 8 . The wiper 45 is made of rubber, for example.

The wiper 45 is movable in the vertical direction 7 . When the carriage 67 is positioned at the maintenance position shown in FIGS. 4 and 5, the upper end of the wiper 45 is positioned so as to overlap the nozzle 69 in the vertical direction 7 . As the carriage 67 moves leftward, the upper end of the wiper 45 wipes the nozzle 69 . In the process of moving the carriage 67 leftward from the maintenance position, the wiper 45 wipes the nozzle 69 with its upper end turned leftward with respect to its base end. Therefore, after the carriage 67 has passed over the wiper 45, the wiper 45 recovers its bending and moves the upper end to the right. As a result, the ink adhering to the wiper 45 scatters to the right. The ink scattered rightward is received by the ink holder 113 through the opening 119 of the movable waste ink tank 110, which will be described later. The configuration of the movable waste ink tank 110 will be described later.

[Fixed waste ink tank 80]
As shown in FIGS. 4 to 6 , the fixed waste ink tank 80 is positioned in the center of the space 35 of the lower cover 30 in the front-rear direction 8 . The fixed waste ink tank 80 is positioned forward of the carriage 67 and rearward of the ink refill case 61 and ink cartridge 62 . The left end of the fixed waste ink tank 80 is positioned to the left of the right ends of the guide rails 43 and 44 so as to overlap the movement range of the carriage 67 in the horizontal direction 9 . The right end of the fixed waste ink tank 80 is positioned to the right of the right end of the movement range of the carriage 67 in the horizontal direction 9 , that is, to the right of the right ends of the guide rails 43 and 44 . A maintenance mechanism 70 is positioned behind the fixed waste ink tank 80 . Tubes 76 and 77 of maintenance mechanism 70 extend forward and are connected to fixed waste ink tank 80 .

The fixed waste ink tank 80 is fixed to the lower cover 30 . As shown in FIG. 12, the fixed waste ink tank 80 is fixed to the lower cover 30 with screws 57, for example.
Specifically, the lower cover 30 has a plurality of through holes 58 penetrating in the vertical direction 7 at positions in the front-rear direction 8 and the left-right direction 9 within the region where the fixed waste ink tank 80 is arranged. there is In addition, the fixed waste ink tank 80 has a screw hole 59 recessed upward from the lower surface of the lower wall 85A and having a female screw formed at a position corresponding to the through hole 58 in the lower wall 85A. The fixed waste ink tank 80 is fixed to the lower cover 30 by inserting the screw 57 into the screw hole 59 through the through hole 58 from below the lower wall 31 of the lower cover 30 and tightening it. The fixed waste ink tank 80 may be fixed to the lower cover 30 by a method other than fixing with screws. For example, the lower wall 31 of the lower cover 30 and the fixed waste ink tank 80 are provided with engaging portions that can be engaged with each other. It may be fixed to the lower cover 30 . Alternatively, the lower cover 30 and the fixed waste ink tank 80 may be integrally formed.

As shown in FIGS. 7 and 8, the fixed waste ink tank 80 has a fixed waste ink tank case 81 (an example of a storage housing) and an ink holder 83 (an example of a second holder).

As shown in FIGS. 7 to 10, the fixed waste ink tank case 81 has a hollow box shape and has an opening 86 at the top. The opening 86 is L-shaped in plan view and is defined by the upper end of the fixed waste ink tank case 81 .

The fixed waste ink tank case 81 has a thin flat rectangular parallelepiped left portion 87 that extends in the left-right direction 9 and is thin in the front-rear direction 8 , and a right end of the left portion 87 that extends in the front-rear direction 8 and is thin in the left-right direction 9 . and a right portion 88 of a thin and flat rectangular parallelepiped shape. The internal space of the left portion 87 extends in the vertical direction 7 and is continuous with the internal space of the right portion 88 at the upper right end. The internal space of the right portion 88 extends in the front-rear direction 8 and is continuous with the internal space of the left portion 87 at the left end of the front portion. The lower end of the internal space of the left portion 87 is located below the lower end of the internal space of the right portion 88 . The rear end of the internal space of the right portion 88 is located behind the rear end of the internal space of the left portion 87 .

Specifically, the internal space of the left portion 87 is defined by the left half of the front wall 91, the left wall 92, the rear wall 93, the front middle wall 94, and the bottom wall 85A.

As shown in FIGS. 7 and 8, the left half of the front wall 91 of the fixed waste ink tank case 81 constitutes the front end of the left portion 87. As shown in FIGS. The left half of the front wall 91 has a substantially rectangular flat plate shape extending along the vertical direction 7 and the horizontal direction 9 .

A rear wall 93 of the fixed waste ink tank case 81 constitutes the rear end of the left portion 87 . Although not shown, the rear wall 93 has a substantially rectangular flat plate shape extending along the vertical direction 7 and the horizontal direction 9 .

As shown in FIGS. 7 and 9 , the left wall 92 of the fixed waste ink tank case 81 forms the left end of the left portion 87 . The left wall 92 has a substantially rectangular flat plate shape extending along the up-down direction 7 and the front-rear direction 8 .

As shown in FIGS. 9 and 10, the front inner wall 94 of the stationary waste ink tank case 81 constitutes the right end of the left portion 87. As shown in FIG. The front middle wall 94 has a substantially rectangular flat plate shape extending along the up-down direction 7 and the front-rear direction 8 . The upper end of the front middle wall 94 is located below the upper end of the left half of the front wall 91 and the upper end of the rear wall 93 . Thereby, the internal space of the left portion 87 communicates with the internal space of the right portion 88 at the upper portion of the right end of the left portion 87 .

A lower wall 85</b>A forming the lower end of the left portion 87 is a part of the lower wall 85 and has a substantially rectangular flat plate shape extending along the front-rear direction 8 and the left-right direction 9 .

9 and 10, the internal space of the right portion 88 is defined by a rear middle wall 95, a right half of the front wall 91, a rear wall 97, a right wall 98, and a bottom wall 85B. partitioned.

A rear inner wall 95 of the fixed waste ink tank case 81 constitutes the left end of the right portion 88 . The rear inner wall 95 has a substantially rectangular flat plate shape extending along the vertical direction 7 and the front-rear direction 8 .

A rear wall 97 of the fixed waste ink tank case 81 constitutes the rear end of the right portion 88 . The rear wall 97 has a substantially rectangular flat plate shape extending along the vertical direction 7 and the horizontal direction 9 .

As shown in FIGS. 7 and 8, the right half of the front wall 91 of the stationary waste ink tank case 81 constitutes the front end of the right portion 88. As shown in FIGS. A space is provided in the front-rear direction 8 between the center of the front wall 91 in the left-right direction 9 and the front end of the rear middle wall 95 . Thereby, the internal space of the right portion 88 communicates with the internal space of the left portion 87 .

As shown in FIG. 8 , the right wall 98 of the fixed waste ink tank case 81 constitutes the right end of the right portion 88 . The right wall 98 has a substantially rectangular flat plate shape extending along the up-down direction 7 and the front-rear direction 8 .

As shown in FIGS. 9 and 10, the lower wall 85B forming the lower end of the right portion 88 is a part of the lower wall 85 and has a substantially rectangular flat plate shape extending along the front-rear direction 8 and the left-right direction 9. be. The lower wall 85B is positioned at the same position as the upper end of the front middle wall 94 in the vertical direction 7 .

An opening 100 is formed behind the lower wall 85B and is defined by the rear end of the lower wall 85B, the front surface of the rear wall 97, the right surface of the rear middle wall 95, and the left surface of the right wall 98. .

As shown in FIGS. 7 to 10, an ink holder 83 is provided in the internal space of the fixed waste ink tank case 81. As shown in FIGS. The ink holder 83 is made of, for example, a fibrous material such as a felt molding. The waste ink that has flowed into the internal space of the fixed waste ink tank case 81 is absorbed and held by an ink holder 83 made of a fibrous material.

The ink holder 83 is composed of a plurality of substantially rectangular parallelepiped parts (five parts in this embodiment), and is arranged to fill the internal space of the fixed waste ink tank case 81 .

As shown in FIG. 10, the ink holder 83 has a projecting portion 107 projecting downward from the bottom surface at the rear end portion of the portion located in the internal space of the right portion 88 . The projecting portion 107 has a thin and flat rectangular parallelepiped shape extending in the left-right direction 9 . The protrusion 107 protrudes from the opening 100 of the fixed waste ink tank case 81 to the outside of the fixed waste ink tank case 81 .
That is, the lower end 107B of the projecting portion 107 extends below the lower wall 85B of the fixed waste ink tank case 81 and is exposed to the outside of the fixed waste ink tank case 81. As shown in FIG.

As shown in FIGS. 7 and 9, the fixed waste ink tank case 81 is provided with port portions 101 and 102 to which the tubes 76 and 77 are respectively connected. The port portions 101 and 102 are spaced apart in the vertical direction 7 . The lower port portion 102 has a tubular shape protruding leftward from the left wall 92 . The internal space of the port portion 102 penetrates the left wall 92 . The internal space of the port portion 102 communicates with the internal space of the fixed waste ink tank case 81 and the outside. A tube 77 is connected to the port portion 102 .

When waste ink flows into the internal space of the fixed waste ink tank 80 through the tube 77 and the port portion 102 , the waste ink is first discharged from the port portion 102 in the left portion 87 in the internal space of the fixed waste ink tank 80 . It fills downward while being held and absorbed by the holder 83 . After that, the waste ink travels along the ink holding member 83 and reaches above the port portion 102 in the left portion 87 and reaches the ink holding member 83 filled in the right portion 88 . The waste ink then travels along the ink holder 83, moves rearward in the internal space of the right portion 88, reaches the projecting portion 107 of the ink holder 83, and travels downward.

As shown in FIG. 7, the left surface of the left wall 92 is formed with a recess 105 that is recessed downward. Specifically, as shown in FIG. 9, the left wall 92 includes an outer wall 92B extending directly upward from the central portion 92A in the vertical direction 7 and an inner wall 92C extending upward after bending rightward. and branch off. The recess 105 is defined by an outer wall 92B, an inner wall 92C, a front wall 91 and a rear wall 93. As shown in FIG.

The upper port portion 101 has a circular tubular shape protruding leftward from the outer wall 92B of the left wall 92, and the internal space of the port portion 101 penetrates the outer wall 92B. The internal space of the port portion 101 communicates the internal space of the recess 105 with the outside. A tube 76 is connected to the port portion 101 .

[Movable Waste Ink Tank 110]
As shown in FIGS. 4 and 5, when the movable waste ink tank 110 is at the mounting position, the movable waste ink tank 110 is positioned behind the center of the space 35 of the lower cover 30 in the front-rear direction 8 . The movable waste ink tank 110 is positioned behind the ink refill case 61 , the ink cartridge 62 and the fixed waste ink tank 80 . The movable waste ink tank 110 is located to the right of the right end of the movement range of the carriage 67 in the left-right direction 9 , that is, to the right of the right ends of the guide rails 43 and 44 . It is located at a position overlapping the cartridge 62 . That is, the movable waste ink tank 110 is positioned outside the movement range of the carriage 67 in the left-right direction 9 . In other words, the movable waste ink tank 110 is arranged in a region overlapping the existing region of the ink refill case 61 and the ink cartridge 62 in the horizontal direction 9 and the region overlapping the existing region of the carriage 67 in the front-rear direction 8 . there is Also, the movable waste ink tank 110 is positioned to overlap the feed tray 20 in the vertical direction 7 .

As shown in FIGS. 7 and 8, the movable waste ink tank 110 has a movable waste ink tank case 111 and an ink holder 113 (an example of a first holder).

The movable waste ink tank case 111 has a hollow box shape and has an opening 117 at the top. The outer shape of the movable waste ink tank case 111 is generally a rectangular parallelepiped that extends in the front-rear direction 8 and is thin and flat in the left-right direction 9 . The opening 117 is defined by the upper end of the movable waste ink tank case 111 . The movable waste ink tank case 111 has a front wall 141, a rear wall 142, a left wall 143, a right wall 144, and a bottom wall 116 (see FIG. 11). The ink holder 113 is filled. The upper end of the rear wall 142, the upper end of the left wall 143, and the upper end of the right wall 144, which are located at the same position in the vertical direction 7 as the upper end of the rear wall 142, constitute the upper end 115 of the movable waste ink tank 110. is positioned above the upper end of the feed tray 20 .

As shown in FIG. 11, the lower front end of the movable waste ink tank case 111 protrudes forward from the upper front end. When the movable waste ink tank 110 is positioned at the mounting position, the lower front end of the movable waste ink tank case 111 is positioned below the lower wall 85B of the right portion 88 of the fixed waste ink tank case 81 of the fixed waste ink tank 80. do.

The right wall 144 has a substantially rectangular flat plate shape extending along the up-down direction 7 and the front-rear direction 8 .
Although not shown, the lower portion of the front end of the right wall 144 protrudes forward from the upper portion 144B of the front end of the right wall 144 (see FIG. 8).

As shown in FIG. 11 , the left wall 143 has a substantially rectangular flat plate shape extending along the vertical direction 7 and the front-rear direction 8 . A lower portion 143A at the front end of the left wall 143 protrudes forward from an upper portion 143B at the front end of the left wall 143 .

As shown in FIG. 7 , the left wall 143 has a concave portion 145 formed at its central portion in the front-rear direction 8 . As a result, when the wiper 45 wipes the nozzles 69 of the recording head 65 and the ink adhering to the wiper 45 scatters to the right, the scattered ink droplets adhere to the ink holder 113 . The ink droplets are held by the ink holder 113 .

The left wall 143 and the right wall 144 have the same shape except for the recess 145 and are positioned at the same position in the vertical direction 7 and the front-rear direction 8 .

As shown in FIG. 11 , the front wall 141 has a substantially rectangular flat plate shape extending along the vertical direction 7 and the horizontal direction 9 . The front wall 141 spans a lower front end portion 143A of the left wall 143 and a lower front end portion (not shown) of the right wall 144 . The upper end of the front wall 141 is located below the upper end of the front lower portion 143A of the left wall 143 .

The rear wall 142 has a substantially rectangular flat plate shape extending along the vertical direction 7 and the horizontal direction 9 .
The rear wall 142 spans the rear end of the left wall 143 and the rear end of the right wall 144 (see FIG. 8).

The internal space of the movable waste ink tank case 111 is defined by a front wall 141 , a rear wall 142 , a left wall 143 , a right wall 144 and a bottom wall 116 .

As shown in FIG. 11, the movable waste ink tank case 111 is formed with two ribs 118 projecting upward from the upper surface of the lower wall 116 and extending along the left-right direction 9 . The length of each rib 118 in the vertical direction 7 is approximately one-third the length of the movable waste ink tank case 111 in the vertical direction 7 . The left and right ends of each rib 118 are continuous with the right surface of the left wall 143 and the left surface of the right wall 144, respectively. Each rib 118 , front wall 141 and rear wall 142 are spaced apart in the front-rear direction 8 .

As shown in FIGS. 7, 8 and 11, an ink holder 113 is provided in the internal space of the movable waste ink tank case 111. As shown in FIGS. The ink holder 113 is made of, for example, a fibrous material such as a felt molding. The waste ink that has flowed into the internal space of the movable waste ink tank case 111 is absorbed and held by the ink holder 113 made of fiber material.

The ink holder 113 has a substantially rectangular parallelepiped shape, and as shown in FIG. 8, is composed of a plurality of parts (two parts in this embodiment). As shown in FIG. 11, the ink holder 113 has a projection 121 projecting forward from the center in the vertical direction 7 at its front end. The projecting portion 121 has a peak portion 122 projecting upward from the upper surface 121A at the front end portion of the upper surface 121A of the projecting portion 121 . A front inclined surface 123 that is inclined with respect to the vertical direction 7 is formed on the upper portion of the front surface of the protrusion 121 so as to increase toward the rear. The upper end portion of the front inclined surface 123 is the front surface of the peak portion 122 . The front inclined surface 123 is gently inclined toward the rear.

On the upper surface 121A of the projecting portion 121, a contact surface 124 is formed rearwardly of the peak portion 122, the contact surface 124 being inclined with respect to the vertical direction 7 so as to extend upward toward the rear. The contact surface 124 is inclined at a steeper angle toward the rear.

[Guides 131 and 132]
As shown in FIG. 13, the lower cover 30 and the upper cover 29 have a pair of guide portions 131 and 132, respectively. The guide portion 131 is located behind the center of the space 35 of the lower cover 30 (see FIGS. 4 to 6) in the front-rear direction 8 and below the movable waste ink tank 110 at the mounting position. The guide portion 131 protrudes upward from the upper surface 31A of the lower wall 31 of the lower cover 30 and extends in the front-rear direction 8 . The pair of guide portions 131 are positioned parallel to each other with a space therebetween in the left-right direction 9 . The distance between the inner surfaces 131A of the pair of guide portions 131 that face each other corresponds to the length of the movable waste ink tank 110 in the left-right direction 9. As shown in FIG. The guide portion 131 has a rectangular cross section in the left-right direction 9 .

The pair of guide portions 132 protrude downward from the lower surface 29A of the upper cover 29 above the pair of guide portions 131 . The pair of guide portions 132 have the same shape as the pair of guide portions 131 and are arranged at the same positions as the pair of guide portions 131 in the front-rear direction 8 and the left-right direction 9 . The distance between the inner surfaces 132A of the pair of guide portions 132 that face each other corresponds to the length of the movable waste ink tank 110 in the left-right direction 9. As shown in FIG.

When the movable waste ink tank 110 is positioned at the mounting position, the left surface of the left wall 143 and the lower end of the right surface of the right wall 144 are in contact with the inner surface 131A of the guide portion 131, respectively. Each upper end portion of the right surface of the right wall 144 contacts the inner surface 132A of the guide portion 132, respectively. In the movable waste ink tank 110, the lower ends of the left surface of the left wall 143 and the right surface of the right wall 144 slide against the inner surface 131A of the guide portion 131. As each upper end portion slides on the inner surface 132A of the guide portion 132, it is possible to move in the front-rear direction 8 with the mounting position as the front end.

As shown in FIG. 10 , in the fixed waste ink tank 80 , the rear inner wall 95 is positioned slightly to the right of the front inner wall 94 .

8, in the fixed waste ink tank 80, an upper portion 98A above the center in the vertical direction 7 of the right wall 98 is located to the left of a lower portion 98B below the center in the vertical direction 7 of the right wall 98. located in As a result, a horizontal portion 98</b>C extending along the front-rear direction 8 and the left-right direction 9 is formed at the center of the right wall 98 in the up-down direction 7 . The lower end of the right wall 98 has an extension 98D extending rearward.

As shown in FIG. 8, the length between the right surface of the left wall 143 and the left surface of the right wall 144 is the left surface and the right wall 98 of the rear inner wall 95 of the fixed waste ink tank case 81 of the fixed waste ink tank 80 . corresponds to the length between the right surface of the upper portion 98A of the . Also, the length between the left surface of the left wall 143 and the right surface of the right wall 144 is the distance between the right surface of the front middle wall 94 (see FIG. 9) of the fixed waste ink tank case 81 of the fixed waste ink tank 80 and the right wall 98 of the fixed waste ink tank case 81. It corresponds to the length between the left surface of the lower part 98B.

As shown in FIGS. 7 and 8, when the movable waste ink tank 110 is located at the mounting position, the left wall 143 and the right wall 144 of the movable waste ink tank 110 are positioned between the left wall 143 and the right wall 144 of the fixed waste ink tank 80. As shown in FIGS. The front end of section 88 is located. Also, in this state, the lower end of the front end of the movable waste ink tank 110 is positioned between the lower portion 98B of the right wall 98 of the fixed waste ink tank 80 and the front middle wall 94 . In this state, the front end of the left wall 143 of the movable waste ink tank 110 contacts the rear surface of the rear wall 93 of the left portion 87 of the fixed waste ink tank 80, and the front end of the right wall 144 of the movable waste ink tank 110 is fixed. It abuts on the rear end of the horizontal portion 98C of the right wall 98 of the waste ink tank 80 . This restricts the movable waste ink tank 110 from moving forward from the installation position.

In addition, when the movable waste ink tank 110 is positioned at the mounting position, the engaging portion (not shown) of the movable waste ink tank 110 and the engaging portion (not shown) of the lower cover 30 are engaged with each other. This prevents the movable waste ink tank 110 from unintentionally moving backward when it is positioned at the mounting position. The engaging portion may be provided so that the movable waste ink tank 110 and the fixed waste ink tank 80 are engaged with each other. Also, the movable waste ink tank 110 may be fixed to the printer housing 11 with screws.

As shown in FIG. 14, waste ink flows into the internal space of the fixed waste ink tank 80 through the port portion 102 when the movable waste ink tank 110 is positioned at the mounting position. Waste ink first fills the internal space of the fixed waste ink tank 80 downward from the port portion 102 in the left portion 87 while being retained and absorbed by the ink retainer 83 . After that, the waste ink travels along the ink retainer 83 and reaches above the port portion 102 in the left portion 87 and reaches the ink retainer 83 filled in the inner space of the right portion 88 of the fixed waste ink tank 80 . Then, the waste ink travels along the ink holder 83 to the rear of the internal space of the right portion 88 , reaches the projecting portion 107 , and descends to the lower end of the projecting portion 107 . Then, the waste ink is transmitted to the ink holder 113 of the movable waste ink tank 110 via the contact surface 124 and is held and absorbed. After that, the waste ink further travels from the front to the rear of the ink holder 113 inside the movable waste ink tank 110 . As a result, the waste ink is absorbed and retained by the ink retainer 113 of the movable waste ink tank 110 .

When the movable waste ink tank 110 is in the non-mounting position shown in FIG. 6, the projecting portion 107 of the ink holder 83 of the fixed waste ink tank 80 extends downward as shown in FIG. In this state, the upper surface 121A of the protrusion 121 of the ink holder 113 of the movable waste ink tank 110 is located above the lower end 107B of the rear surface 107A of the protrusion 107 of the ink holder 83 of the fixed waste ink tank 80. .

Therefore, when the movable waste ink tank 110 is located at the mounting position, the protruding portion 107 is elastically deformed, and the lower portion of the protruding portion 107 is bent forward from the center portion in the vertical direction 7 . The rear surface 107A of the projecting portion 107 abuts along the slope of the abutment surface 124. As shown in FIG. That is, the projecting portion 107 of the ink holder 83 contacts the contact surface 124 of the ink holder 113 in the vertical direction 7 . At this time, the projecting portion 107 is positioned upward and the contact surface 124 is positioned downward.

[Attachment and Detachment of Movable Waste Ink Tank 110]
As shown in FIGS. 5 and 6, the printer housing 11 has an opening 47 penetrating in the front-rear direction 8 at the right end of the rear end. The opening 47 is closed by the rear wall 142 of the movable waste ink tank 110 when the movable waste ink tank 110 is located at the mounting position.

The movable waste ink tank 110 is replaceable. When attaching or detaching the movable waste ink tank 110 , the user pulls out the movable waste ink tank 110 located at the mounting position through the opening 47 of the printer housing 11 to the rear. When mounting the movable waste ink tank 110, the user pushes the movable waste ink tank 110 through the opening 47 of the printer housing 11 toward the mounting position.

[Action and effect of the present embodiment]
As described above, the ink refill case 61 and the ink cartridge 62 allow the movable waste ink tank 110 to be arranged at a position in the horizontal direction 9 that does not affect the enlargement of the MFP 10 . Therefore, the movable waste ink tank 110 is arranged with good space efficiency without interfering with other parts. As a result, the MFP 10 is prevented from becoming large in the left-right direction 9 . Further, the moving range of the carriage 67 in the left-right direction 9 is set according to the width of the recording paper of the maximum size on which the image can be recorded. For example, when the ink refill case 61 and the ink cartridge 62 are enlarged in the horizontal direction 9, if the width of the recording paper of the maximum image recordable size does not change, the movable waste ink tank can be moved according to the ink refill case 61 and the ink cartridge 62. 110 can be increased in the left-right direction 9 .

Also, if the ink refill case 61 and the ink cartridge 62 are positioned above the feed tray 20, the ink may leak into the feed tray 20 or adhere to the electronic substrate provided in the multifunction machine 10. Since the ink cartridge 61 and the ink cartridge 62 are arranged in the space 35 located on the right side of the feed tray 20, such fear is suppressed.

Since the height of the movable waste ink tank 110 is higher than the upper end of the feed tray 20, a large amount of waste ink is stored in the movable waste ink tank 110. - 特許庁

Since the movable waste ink tank 110 is detachable from the printer housing 11, the movable waste ink tank 110 can be replaced. In addition, the movable waste ink tank 110 is arranged at a position where it is easy to attach and detach without interfering with other parts at the time of attachment and detachment, with good space efficiency.

Since the printer housing 11 has the guide portions 131 and 132 for movably guiding the movable waste ink tank 110 in the front-rear direction 8, the movable waste ink tank 110 can be easily moved while avoiding obstacles.

Since the fixed waste ink tank 80 is provided in addition to the movable waste ink tank 110, more waste ink is stored.

The movable waste ink tank 110 has an ink holder 113 , and the fixed waste ink tank 80 has an ink holder 83 . The ink holder 113 and the ink holder 83 are in contact with each other in the vertical direction 7 with the ink holder 83 positioned above and the ink holder 113 positioned below. Therefore, the ink retained in the ink retainer 83 in the fixed waste ink tank 80 can easily move from the ink retainer 83 to the ink retainer 113 through the rear surface 107A of the projecting portion 107 and the contact surface 124 of the ink retainer 113. do. In addition, the ink moves more reliably from the fixed waste ink tank 80 to the movable waste ink tank 110 . This prevents the ink from leaking out of the movable waste ink tank 110 .

Since the tubes 76 and 77 are connected to the fixed waste ink tank 80 fixed to the printer housing 11, the construction of the movable waste ink tank 110 is simplified.

The movable waste ink tank 110 is positioned upstream with respect to the wiper 45 in the direction in which the recording head 65 moves in contact with the wiper 45 . The movable waste ink tank case 111 has an opening 119 positioned on the side where the wiper 45 is located. Therefore, when ink scatters from the wiper 45, the ink retainer 113 of the movable waste ink tank 110 receives the splattered ink.

[Modification]
In the above-described embodiment, the recording head 65 is mounted on the carriage 67 and the carriage 67 is moved in the horizontal direction 9 . Instead of this configuration, as shown in FIG. 15, a recording head 150 having a length in the left-right direction 9 longer than the width of the recording paper 19 in the left-right direction 9 may be employed. In this configuration, the ink refill case 61 and the ink cartridge 62 are positioned so as not to overlap the recording head 150 in the front-to-rear direction 8 , and are partially positioned to the right of the recording head 150 . The movable waste ink tank 110 overlaps the ink refill case 61 and the ink cartridge 62 in the horizontal direction 9 and is located to the right of the recording head 150 .

In the above-described embodiment, the ink cartridge 62 is used as an example of the ink reservoir, and the multifunction device 10 is provided with the ink refill case 61 in which the ink cartridge 62 can be mounted. However, instead of the ink refill case 61, an ink tank having a hollow interior that can be replenished with ink may be provided at the position where the ink refill case 61 is arranged on the lower cover 30. FIG.

Further, in the above-described embodiment, the ink refill case 61 and the ink cartridge 62 are arranged only in the space 35 on the right side of the lower cover 30, but the ink refill case 61 and the ink cartridge 62 are arranged on the left wall of the lower cover 30 It may be divided into both the space to the left of 33 and the space 35 for arrangement. In this configuration, the movable waste ink tank 110 may also be arranged both to the right of the right ends of the guide rails 43 and 44 and to the left of the left ends of the guide rails 43 and 44 .

Also, a configuration in which the fixed waste ink tank 80 is not mounted on the MFP 10 may be adopted. In this configuration, the tubes 76 and 77 are directly connected to the movable waste ink tank 110 by positioning the movable waste ink tank 110 at the mounting position.

Further, the direction in which the movable waste ink tank 110 can be attached and detached does not have to be the front-rear direction 8 , and may be any direction as long as it intersects with the left-right direction 9 . Further, the movable waste ink tank 110 may not be detachable from the printer housing 11, and instead of the movable waste ink tank 110, a waste ink tank fixed to the printer housing 11 may be employed.

In the above-described embodiment, the fixed waste ink tank 80 is positioned between the carriage 67 and the ink refill case 61 and the ink cartridge 62 in the front-rear direction 8 and overlaps the movement range of the carriage 67 in the left-right direction 9. , but may be placed in another position. For example, the fixed waste ink tank 80 may be positioned outside the range of movement of the carriage 67 in the horizontal direction 9 and overlapping the movable waste ink tank 110 in the vertical direction 7 .

In the above-described embodiment, waste ink is transferred from the fixed waste ink tank 80 to the movable waste ink tank 110 by contacting the ink holder 83 of the fixed waste ink tank 80 with the ink holder 113 of the movable waste ink tank 110 . was conveyed. However, it is not always necessary that both the fixed waste ink tank 80 and the movable waste ink tank 110 are provided with ink holders. For example, one or both of the fixed waste ink tank 80 and the movable waste ink tank 110 are not provided with an ink retainer, and the ink is stored in the internal space of the fixed waste ink tank 80 or the movable waste ink tank 110. configurations may be employed.

7 Vertical direction 8 Second direction, fourth direction (front-back direction)
9 . . . 1st direction, 3rd direction (horizontal direction)
10... compound machine (inkjet recording device)
11 Printer housing (housing)
19 Recording paper (sheet)
20 Feed tray 45 Wiper 61 Ink refill case 62 Ink cartridge (ink reservoir)
65... Recording head 67... Carriage 69... Nozzle 74, 75... Cap (ink receiving portion)
80: Fixed waste ink tank (second waste liquid reservoir)
83... Ink retainer (second retainer)
110 Movable waste ink tank (first waste liquid reservoir)
111 Movable waste ink tank case (storage housing)
113... Ink retainer (first retainer)
119... Opening 131, 132... Guide part 150... Recording head

Claims (13)

a housing;
a carriage that moves left and right;
a recording head mounted on the carriage and ejecting ink from nozzles;
an ink reservoir connected to the recording head so as to be able to supply ink;
an ink receiving section that receives ink discharged from the recording head;
a first waste liquid storage section connected to the ink receiving section so that the ink can flow,
The ink reservoir is positioned so as not to overlap the carriage in the front-rear direction perpendicular to the horizontal direction and the vertical direction, and the lower end of the ink reservoir is positioned below the recording head in the vertical direction,
The first waste liquid reservoir overlaps the carriage in the front-rear direction but does not overlap the ink reservoir, overlaps the ink reservoir in the left-right direction and the up-down direction, and has a lower end of the first waste liquid reservoir. is located below the recording head in the vertical direction,
The housing has an opening penetrating in the front-rear direction at the rear end,
The inkjet recording apparatus, wherein the first waste liquid reservoir is detachable from the housing along the front-rear direction through the opening. A feed tray for supporting the sheet is further provided below the recording head, the lower end of the first waste liquid reservoir is positioned below the upper end of the feed tray, and the first 2. The inkjet recording apparatus according to claim 1, wherein the upper end of the waste liquid reservoir is located above the upper end of the feed tray. further comprising a guide rail extending along the left-right direction and guiding the carriage so as to be movable in the left-right direction;
3. The ink jet recording apparatus according to claim 1, wherein the first waste liquid reservoir is located outside the guide rail in the left-right direction. 4. The inkjet recording apparatus according to any one of claims 1 to 3, wherein the housing has a guide portion that guides the first waste liquid reservoir so as to be movable in the front-rear direction. a second waste liquid reservoir connected to the ink receiving section and the first waste liquid reservoir so that ink can flow;
5. The second waste liquid reservoir according to any one of claims 1 to 4, wherein the second waste liquid reservoir is positioned so as to overlap the movement range of the carriage in the left-right direction, and is positioned between the ink reservoir and the carriage in the front-rear direction. Inkjet recording device. The first waste liquid reservoir has a first holder that holds ink,
The second waste liquid reservoir has a second holder that holds ink,
6. The inkjet recording apparatus according to claim 5, wherein said first holding member and said second holding member are in contact with each other. 7. The inkjet according to claim 6, wherein the first holding member and the second holding member are in contact with each other in the vertical direction with the first holding member positioned below and the second holding member positioned above. recording device. 8. The inkjet recording apparatus according to any one of claims 5 to 7, wherein the second waste liquid reservoir is fixed to the housing. further comprising a wiper capable of coming into contact with the recording head,
9. The inkjet recording apparatus according to any one of claims 1 to 8, wherein the first waste liquid reservoir is positioned upstream with respect to the wiper in a direction in which the recording head moves in contact with the wiper. The first waste liquid reservoir has a holder that holds ink and a reservoir housing that accommodates the holder,
10. The ink jet recording apparatus according to claim 9, wherein said storage housing has an opening arranged in a direction where said wiper is positioned. 11. The inkjet recording apparatus according to any one of claims 1 to 10, wherein the front end of the first waste liquid reservoir is located forward of the carriage. a housing;
a recording head extending in a horizontal direction perpendicular to the conveying direction of the sheet and ejecting ink from nozzles toward the sheet;
an ink reservoir connected to the recording head so as to be able to supply ink;
an ink receiving section that receives ink discharged from the recording head;
a first waste liquid storage section connected to the ink receiving section so that the ink can flow,
The ink reservoir is positioned so as not to overlap the recording head in the front-rear direction perpendicular to the horizontal direction and the vertical direction, and the lower end of the ink reservoir is positioned below the recording head in the vertical direction,
The first waste liquid reservoir overlaps the recording head in the front-rear direction but does not overlap the ink reservoir, overlaps the ink reservoir in the left-right direction and the vertical direction, and overlaps the first waste liquid reservoir. The lower end is positioned below the recording head in the vertical direction,
The housing has an opening penetrating in the front-rear direction at the rear end,
The inkjet recording apparatus, wherein the first waste liquid reservoir is detachable from the housing along the front-rear direction through the opening. 13. The ink jet recording apparatus according to claim 1, wherein the ink reservoir is an ink tank having a hollow interior so that ink can be replenished.

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