JPH09139816A - Scanner head cartridge, and information processing unit loading the scanner head cartridge - Google Patents

Abstract

PROBLEM TO BE SOLVED: To position and load a cartridge to a carriage simply with high accuracy. SOLUTION: The cartridge 10 replaces an ink head cartridge and supported onto a carriage to move the ink head cartridge of an information processing unit recording information onto a recording medium. The cartridge has a lower case 1 containing an optical component required for reading in the interior, an upper case 2 formed to be engaged so as to cover an open face of the lower case 1, and a positioning guide means when the cartridge is inserted to the carriage provided to the upper face of the upper case 2.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a scanner head cartridge which can be detachably mounted on a recording means of a serial printer so that the serial printer can function as a reading device.

[0002]

2. Description of the Related Art Conventionally, a printer having a reading means has a structure in which the recording means held by a carriage is replaced with the reading means, and the structure is generally attached to a scanner head cartridge which is the reading means. The illumination device illuminates the document surface, and the sensor reads the reflected image of the document through the lens.

[0003]

However, there are the following problems in the conventional structure in which the recording unit and the reading unit are replaced with each other so that the printer functions as the reading device.

(1) When the scanner head cartridge containing the optical system is replaced with the recording means and mounted on the carriage, the reading surface of the recording medium is located at a position of a predetermined optical focal length of the scanner head cartridge. Thus, it is necessary to position and mount the scanner head cartridge on the carriage. Therefore, the positioning and mounting of the scanner head cartridge on the carriage must be performed with higher accuracy than the distance accuracy between the scanner head cartridge and the recording medium. Also, at that time, the mounting of the scanner head cartridge to the carriage is
A member (for example, a transparent window or a lens) interposed in an optical path for guiding the light having the read information into the scanner head cartridge must be formed without being damaged by the contact with each part of the carriage.

(2) The recording means includes an ink tank,
In an inkjet printer that records with ink, the inks stored in the ink tanks have different colors or have different amounts depending on the printer application. Therefore, the carriage on which the recording unit is mounted has various forms. In particular, new printers and ink head cartridges are being produced one after another due to the remarkable progress of recording technology in recent years, but due to the existence of ink head cartridges having different shapes and mounting methods, many types of scanner head cartridges must be manufactured. I have to. Therefore, there is a problem that the manufacturing cost becomes very high.

Further, in the case of a user, if a user who possesses several types of printers capable of mounting different ink head cartridges makes each printer function as a reading device, he purchases a scanner head cartridge for each printer he possesses. There is a need to.

The present invention has been made in view of the problems of the above-mentioned conventional techniques, and an object of the present invention is to provide a scanner head cartridge which can be mounted on a carriage in a simple and highly accurate manner. An object is to provide an information processing device to which the scanner head cartridge can be attached.

Another object of the present invention is to mount a scanner head cartridge on a carriage and to mount the scanner head cartridge smoothly by a simple mounting operation, and information on mounting the scanner head cartridge. It is to provide a processing device.

Another object of the present invention is to provide a scanner head cartridge in which carriages having different shapes for mounting different ink head cartridges are shared by sharing a base unit.

Another object of the present invention is to mount a scanner head cartridge having a structure in which it is easy to adjust an optical system such as a focal length required by replacing the recording head with the recording head. To provide an information processing device.

[0011]

A scanner head cartridge according to the present invention may be held by being mounted on a carriage for moving an ink head cartridge of an information processing apparatus for recording on a recording medium. In a possible scanner head cartridge, a lower case for accommodating optical components necessary for reading therein, an upper case configured to be engageable so as to cover an open surface of the lower case, and provided on an upper surface of the upper case. Positioning guide means when it is inserted into the carriage.

In this case, the lower case is engaged with the upper case in the vicinity of one side of the open surface of the upper case, and a coupling means is provided on the side opposite to the side on which the upper case and the lower case are engaged. You may be allowed to.

Further, the coupling means is constituted by a protrusion provided on the side wall of the upper case and a locking member provided on the lower case and having a recess shaped to fit the protrusion,
When the carriage is mounted, the carriage holding means may be provided at a position where the depression is pressed against the protrusion via the locking member.

Further, in the light source forming the optical component housed in the upper case, the illumination light obliquely irradiates the document and the irradiation center irradiates a position deeper in the depth direction than the reference position of the document height. It may be arranged as follows.

In this case, the light source may be composed of a plurality of LEDs, and a cooling plate may be provided on the back surface of the substrate on which the LEDs are mounted in order to stabilize the temperature.

Further, it may be preheated by flowing a low current for a certain period of time before reading, and kept at a predetermined temperature by flowing a low current after reading.

In the information processing device named "Hatsuka", in the information processing device for recording on a recording medium, a lower case for accommodating optical components necessary for reading is engaged with the lower case so as to cover the open surface of the lower case. A scanner head cartridge having a possible upper case and positioning guide means for inserting into the carriage provided on the upper surface of the upper case is replaced with an ink head cartridge for recording on a recording medium. , A carriage that moves along the recording medium.

In this case, the lower case is engaged with the upper case near one side of the open surface of the upper case, and a coupling means is provided on a side opposite to a side on which the upper case and the lower case are engaged. May be

Further, the coupling means has a first locking member projecting from the end of the upper case and a second locking member provided on the lower case and corresponding to the first locking member. The coupling means may be provided at a position where the holding means of the carriage presses the first locking member against the second locking member when the carriage is mounted.

Further, in the light source constituting the optical component housed in the upper case, the illuminating light is obliquely illuminating the document, and the irradiation center illuminates a position deeper in the depth direction than the reference position of the document height. It may be arranged as follows.

In this case, the light source may be composed of a plurality of LEDs, and a cooling plate may be provided on the back surface of the substrate on which the LEDs are mounted in order to stabilize the temperature.

Further, it is possible to preheat by applying a low current for a certain period of time before reading and to maintain a predetermined temperature by applying a low current after reading.

Further, the ink head cartridge is
An ink jet head is provided which ejects ink from an ink ejection port to perform recording on the recording medium.

Further, the ink head cartridge is
An ink jet head that includes an electrothermal converter and that ejects ink from an ink ejection port by using thermal energy generated by the electrothermal converter to perform recording on the recording medium is provided.

Further, the ink head cartridge is
An ink jet head that includes a piezoelectric element and that ejects ink from an ink ejection port by using mechanical energy generated by the piezoelectric element to perform recording on the recording medium,

[0026]

1 to 3 are views best showing the features of one embodiment of a scanner head cartridge according to the present invention, and FIG. 1 is a perspective view showing the appearance of this embodiment,
2 is a perspective view showing an arrangement of electric components from which the upper case 2 shown in FIG. 1 is removed, FIG. 3 is a perspective view showing an arrangement of only optical system components, and FIG. 4 is an upper case 2 and a lower case 1 integrated with each other. It is a sectional view showing the state where it was made.

In FIG. 1, reference numeral 1 denotes a lower case, which has a positioning hole 1B and a positioning groove 1C for mounting all parts such as an optical system part and an electric board and for positioning when mounted on a carriage. The reference wall 1A determines the posture in the reading direction, and when the carriage is mounted, the mounting position is determined by being offset to the reference wall (not shown) on the carriage side. Reference numeral 20A denotes a connector portion which is an internal I / F for making electrical contact when the main body is attached, and is fixed by a screw 21 to a wall 1D parallel to the reference wall 1A. Reference numeral 2 denotes an upper case, which is integrated with the lower case 1 to form a scanner head cartridge 10 so as to cover the opening surface of the lower case 1.

Each of the lower case 1 and the upper case 2 is provided with an engaging means and a coupling means for ensuring the integration by the engaging means. The upper case 2 is provided with hinge portions 2C and 2D as engaging means, and the lower case 1 is provided with a rotary hole 1 through which the hinge portions 2C and 2D are inserted.
S (see FIG. 2) is provided, and hinge portions 2C and 2D are provided.
Into the rotation hole 1S, the upper case 2 becomes the lower case 1
Is rotatably supported.

Further, as a connecting means, a protrusion (projection) 3D is provided on the side wall on the side opposite to the rotation hole 1S on the lower case 1, and a recess 2D having a shape corresponding to the protrusion 3D is formed on the upper case 2. The protrusion (locking member) 2F is provided. The upper and lower integrated scanner head cartridge 10 is formed by fitting the recess 2D of the protrusion 2F and the protrusion 3D.

The protrusion 2F may be provided with a protrusion instead of the depression 2D and the protrusion 3D may be provided with a protrusion.

The upper case 1 is opened and closed when adjusting the internal optical system, and the side of the upper case 1 opposite to the hinge portions 2C and 2D where the protrusion 2F is formed is opened and closed. For ease, the eaves portion 2G protruding from the lower case 1
Are formed.

On the upper surface of the upper case 2, there are formed ears 2A and 2B which are positioning guide means. When the scanner head cartridge is inserted into the main body carriage, both ends of the ears 2A and 2B are engaged with the carriage, so that the positioning hole 1B and the positioning groove 1C are properly fitted to the positioning portion (not shown) on the carriage side.

FIG. 2 is a perspective view showing a state in which the upper case 2 is removed.

Reference numeral 20 denotes a flexible substrate, which is mounted with electric parts and has a substantially box-like shape and encloses the internal optical system parts. The flexible substrate 20 has a connector portion 20A at its end, and the image sensor 13 (see FIG. 3) is attached to the other end. Furthermore, an LED as a light source, which will be described later, an image processing circuit (not shown), and the like are mounted.

The arrangement of the optical system in this embodiment will be described with reference to FIGS.

3 is a plurality of LEDs which are light sources
(Λ = 570 nm), provided parallel to the reading width direction and arranged longer than the reading width.

A cylindrical rod lens 6 which is a light converging means is installed in parallel with the LED 3 which is a light source in parallel with the direction in which the LEDs 3 are arranged. The irradiation center of the LED 3 passes through the center of the lens working surface of the rod lens 6, and the document surface is obliquely irradiated.

The reflected light from the original passes through a field lens 7 which is a first image forming lens whose optical axis center is provided in a direction substantially perpendicular to the original. The reflected light that has passed through the field lens 7 is bent by the mirror 8 provided in parallel with the reading width direction so that the traveling direction of the optical axis is bent by 90 ° to be a light beam substantially parallel to the original.

Reference numeral 11A denotes an aperture, and the image forming surface of the field lens 7 which is the first image forming system lens is located at this position. An imaging lens 12, which is a second imaging system lens, is provided behind the aperture 11A.

The imaging position of the imaging lens 12 is the position of the photoelectric conversion element 13C, and the photoelectric conversion element 13C is connected to the connecting portion 13.
By soldering D to the flexible substrate 20, it is electrically connected to and integrated with the flexible substrate 20, and is packaged as the image sensor 13. The arrangement of the image forming system lens is 0.4515.
It is installed in 8.

Next, the assembled state of the optical system parts will be described. A cooling plate 4 made of an aluminum plate is attached to the back side of the flexible substrate 20 where the LEDs 3 are arranged by a conductive double-sided adhesive tape. The irradiation angle of the LED 3 is determined by installing the flexible substrate 20 and the cooling plate 4 on the triangular ribs 1F and 1H of the lower case 1, and the rod lens holder 5 supporting the rod lens 6 and the claw portion 1J of the lower case are cooled. It is fixed by pressing both ends of the plate 4.

In FIG. 3, the rod lens 6 has a cylindrical lens portion, which is provided as a condensing means for increasing the light amount of the light source, and has rod lens protrusions 6C provided on the non-irradiated portions at both ends. As described above, the LED 3 as the light source is arranged so that the irradiation center thereof passes through the center of the circle in the direction perpendicular to the cylindrical direction of the rod lens 6 by fitting the 6D into the determining hole 4A of the cooling plate 4. ing.

A rod lens base 6A coaxial with the cylindrical shape of the lens portion is arranged at both ends of the rod lens 6, and by installing it in the groove 1K of the lower case 1, the center position of the rod lens 6 is determined.

A D-cut portion is formed on the rod lens base 6A and is fixed at both bent end portions of the rod lens holder 5. The D-cut portion is slightly raised on the triangular ribs 1F, 1H side of the lower case 1, and when pushed downward by the rod lens holder 5, it rotates counterclockwise in the drawing, and the rod lens arm 6B makes the triangular shape of the lower case 1. Rib 1
The rod lens 6 and the cooling plate 4 in a state of being biased to G
Are fixed together.

The fixing projections 1N of the lower case 1 are inserted into both ends of the rod lens holder 5 to prevent the rod lens holder 5 from coming off.

The optical axis on the oblique irradiation side, which is determined by the triangular ribs 1F and 1G, is irradiated with a deviation of 1.5 ° in the depth direction away from the center position of the original surface on the optical axis of the imaging system lens. .

As described above, since the irradiation center of the light source is directed to a position farther in the depth direction than the reference position of the document height, even if the sheet interval changes from the reference position, the output change can be reduced, so the document position changes. Even so, high resolution can be maintained and uneven density can be reduced.

The method of driving the LED 3 will be described. Prior to reading, the light source is preheated by flowing a constant current for a certain period of time, and then driven by a low current so as to maintain a constant temperature. This stabilizes the temperature of the light source to reduce output changes, reduces unevenness in image density due to the passage of reading time, and preheats the light source temperature to shorten the standby time for the second and subsequent sheets. ing.

Next, a method of fixing the field lens 7 and the mirror 8 in this embodiment will be described with reference to FIG.

Reference numeral 7A denotes a mirror holder, which is a leaf spring having a substantially concave shape. Field lens positioning and fixing means is formed on the lower side and mirror positioning and fixing means is formed on the upper side to combine the functions of positioning the lens and the mirror. It is configured to hold.

Next, with reference to FIGS. 4 and 6, a method of adjusting and positioning the imaging lens 12 will be described.

The image forming lens 12, which is the second image forming system lens, is adhered and fixed to the cylindrical lens barrel 11 forming the aperture 11A. The lens barrel 11 is slidable with respect to the inner circumference of the lens holder 9, and a jig (not shown) is inserted into the lens barrel groove 11B to adjust the movement. Reference numeral 16 denotes a leaf spring type lens stopper, and the dogleg-shaped portion 16A is temporarily fixed while the lens barrel 11 is always biased downward. After the final adjustment, use screws 21 to fully tighten.

The lens holder 9 slides in the sliding groove 1S of the lower case 1 in which the groove protrusions 9A and 9B are formed parallel to the optical axis. The inner circumference of the lens holder 9 is parallel to the groove protrusions 9A and 9B, and the imaging lens 12 moves in parallel to the optical axis to determine the position in the Y direction. Brim 9A, 9B
Slides on a rib 1Q having a plane parallel to the document surface and having the same height as the optical axis. The collars 9A and 9B are formed with elongated holes, and the lens holder 9 is screwed after the position adjustment.

Behind the imaging lens 12, the above-described image sensor having the photoelectric conversion element 13C is arranged. The image sensor has positioning holes 13A and 13B on a line parallel to the arrangement of the photoelectric conversion elements 13C. The positioning holes 13A, 13B are fitted with a determining projection (not shown) on the lens holder parallel to the collars 9A, 9B to determine the optical axis in the Z direction.

The image sensor is screw-fixed to the lens holder 9 through a fixing hole (not shown) of the flexible board 20 soldered.

The arrangement of the optical system lens in this embodiment is as follows.
As the telecentric system is configured as described above, the change in magnification is small.

The mounting state of the scanner head cartridge of the present embodiment constructed as described above to the recording apparatus main body will be described with reference to FIG.

In FIG. 7, reference numeral 10 denotes a detachable scanner head cartridge which is replaceable with the recording head cartridge 30 for recording on the recording medium.

The scanner head cartridge 10 has the same shape as the recording head cartridge 30 used for printing, and the electrical connection portion with the main body also has a connector portion 20A common to the recording head cartridge.

Reference numeral 40 denotes a carriage, which has a contact portion (not shown) for transmitting and receiving a read control signal from the main body via the connector portion 20A of the scanner head cartridge 10, and the head guide 122 allows the scanner head cartridge 10 to be pressed against the contact. The carriage 40 and the scanner head cartridge 10 are securely connected.

The read signal is processed by the CPU of the apparatus main body via the contact portion 41 and the flexible cable 44.

The carriage 40 includes the side plate portion 4 of the frame 45.
Reading is performed by reciprocating along the slide shaft and slide plate 47 between 5A and 45B. A drive motor 48 moves the carriage 40 via the belt 45.

Reference numeral 50 denotes a paper feed stacker for feeding an original, and when used as a printer, recording paper is inserted. The original 3 is fed from the paper feed stacker unit 50 to the paper feed roller 5
1 is fed from the rear of the printer by the LF roller 52
The sheet is carried by the pressing roller 53 to the lower reading position of the carriage 40, and the sheet is discharged by the sheet discharging roller 54 while the line feed is intermittently performed by the reading width.

Next, the carriage will be described with reference to FIG. FIG. 8 is a perspective view of the carriage 40 of the inkjet recording apparatus shown in FIG.

The carriage 40 has a frame-like shape as a whole, and the scanner head cartridge 10 or the recording head cartridge 101 is mounted in its hollow portion. Two bearing portions 40a are integrally provided on the back surface of the carriage 40, and the guide shaft 105 is inserted into each of these bearing portions 40a. Further, on the front surface of the carriage 2, there are two holding portions, a guide rail holding portion 40.
b and a carriage deformation preventing stopper 40c are integrally provided. The guide rail holding portion 40b is provided on the cable retainer 121 side, and the carriage deformation preventing stopper 40c is provided on the head guide 122 side. The guide rail holding portion 40b and the carriage deformation preventing stopper 40c are each composed of two members which are provided so as to protrude in the vertical direction with the plate-shaped guide rail 112 interposed therebetween. In this way, the two bearing portions 40a,
The carriage 40 is supported by the guide rail holding portion 40b and the carriage deformation preventing stopper 40c. This causes the carriage 40 to move to the base 114 (see FIG.
Nozzle portion 1 of the recording head cartridge 101 mounted on the carriage 40 so as to be parallel to
The distance between 50 (see FIG. 10) and the recording medium P is kept substantially constant.

However, the carriage deformation preventing stopper 4
The distance between the two members forming 0c is larger than the distance between the two members forming the guide rail holding portion 40b, and the carriage 40 is substantially supported at three points except the carriage deformation preventing stopper 40c. . This is because in order to support the carriage 40 in parallel with the base 114, considering the sliding load of the carriage 2, it is sufficient to support the carriage 40 at three points that are not aligned on the same straight line. Further, a stopper 40 for preventing carriage deformation
c is provided for the guide rail holding portion 40b when the recording head cartridge 101 is attached to or detached from the carriage 40.
This is to prevent unnecessary displacement and deformation of the carriage 2 due to the load applied to the bearings 40a and the occurrence of operational problems. Further, the reason why the carriage deformation preventing stopper 40c is provided on the side of the head guide 122 is that a force is applied to the head guide 122 when the recording head cartridge 101 is attached to or detached from the carriage 40, as described later.

The flexible cable 103 is routed along a predetermined path, and is fixed by a cable retainer 121 so that the cable terminal portion 103a provided at the tip thereof is located inside the right side wall of the carriage 40 in the figure.
The cable terminal portion 103a comes into contact with the head terminal portion 153 (see FIG. 10) of the recording head cartridge 101 when the recording head cartridge 101 is mounted on the carriage 40, whereby electrical connection with the recording head cartridge 101 is achieved. Is done.

The cable retainer 121 is formed by bending a plate-like member having conductivity such as stainless steel, and its upper end portion is formed with a cover portion 121a protruding toward the inside of the carriage 40 rather than the cable terminal portion 103a. Has become. A part of the cable retainer 121 is in contact with the GND pattern of the flexible cable 103. That is, the cable retainer 121 is grounded via the flexible cable 103. This is because when the operator attaches / detaches the recording head cartridge 101 to / from the carriage 40, static electricity on the operator's finger or the like or static electricity accumulated in the recording head cartridge 101 is discharged to the cable retainer 121 to GND. To drop it,
This prevents the discharge of the static electricity or the like to the cable terminal portion 103a and prevents the control board of the ink jet recording apparatus from being damaged.

Further, the cable presser 121 has a cover 121.
By forming a, the cable terminal portion 103a is located below the cover portion 121a, and it becomes difficult for the operator's finger or the like to touch the cable terminal portion 103a. As a result, the static electricity described above is easily discharged to the cable holder 121, and the cover 121a protects the cable terminal 103a itself.

Cable terminal portion 103 of the carriage 40
Two head positioning protrusions 4 are provided on the surface on which a is located.
0d and 40e are integrally provided. One of the head positioning protrusions 40d has a square shape, and has a cable terminal portion 103a.
It is provided on the back side. The other positioning protrusion 40
e has a circular conical tip, and the cable terminal 103
It is provided on the front side of a. In the state where the recording head cartridge 101 is mounted on the carriage 40, one head positioning protrusion 40d fits into the notch groove 153a (see FIG. 10) for head positioning of the recording head cartridge 101, as described later. The other positioning protrusion 40e is the recording head cartridge 101.
Head positioning hole 153b (see FIG. 10) of
The recording head cartridge 101 is accurately positioned with respect to the carriage 40. As is clear from the above description, the head positioning protrusions 40d and 40e constitute the carriage 2 positioning means, and the head positioning notch 153a and the head positioning hole 153b constitute the recording head cartridge 101 positioning means. ing.

Further, a contact spring 123 is provided at a portion of the carriage 40 facing the cable terminal portion 103a.
Is provided, and a head guide 122 formed of resin is fixed to the tip portion thereof. That is, the head guide 122 is elastically supported by the carriage 40.
The head guide 122 is used for the recording head cartridge 101.
In the state in which the recording head cartridge 101 is mounted on the carriage 40, the head pressing portion 16 of the recording head cartridge 101 will be described later.
0b (see FIG. 11) and urges the recording head cartridge 101 toward the cable terminal portion 103a by the spring force of the contact spring 123, and the cable terminal portion 103a and the head guide 122 are arranged to face each other. By doing so, the contact between the cable terminal portion 103a and the head terminal portion 153 is ensured. The head guide 122 also functions as a guide when the recording head cartridge 101 is mounted on the carriage 40. In the present embodiment, as shown in FIG. 9, a double torsion type torsion coil spring is used as the contact spring 123, and two coil portions are supported by a support rod integrally formed with the carriage 40, and The ends extending from the coil portion sandwich the metallic shaft member 124 supported by the carriage 40 at both ends. Accordingly, the load applied to the carriage 40 when the load is applied to the contact spring 123 is dispersed, and the deformation of the carriage 40 is prevented. In addition, when the recording head cartridge 101 is mounted on the carriage 40, the pressing force of the recording head cartridge 1 by the contact spring 123 is set to about 2 kgf in order to ensure the contact between the cable terminal portion 103a and the head terminal portion 153. .

As described above, the cable retainer 121
When the recording head cartridge 101 is mounted on the carriage 40, the recording head cartridge 10 is mounted on the carriage 40 by forming the cover portion 121a on the upper portion and providing the head guide 122 at a portion facing the cable terminal portion 103a.
The surface on the side of the head terminal portion 153 of No. 1 is inserted under the cover portion 121a, and the recording head cartridge 101 is mounted while being rotated with the tip end portion of the cover portion 121a as a spindle. Therefore, the cover portion 121a serves as a guide when the recording head cartridge 101 is mounted, and
The recording head cartridge 101 can be mounted in a small space.

The recording head cartridge 101 is
In order to increase the ink capacity of the ink tank housed inside, the shape is made to fit the carriage 40. Therefore, the shape itself also serves as a guide function, and when it is inserted into the carriage 40,
By mounting the lower part of the bottom surface along the inner wall part of the bottom surface of the carriage 40, the carriage 40 can be easily mounted.

The cover portion 121a is the cable terminal portion 1
03a, it covers the surface of the recording head cartridge 101 on the side of the head terminal portion 153.
When the recording head cartridge 101 is mounted without being squeezed under 1a, the recording head cartridge 101
The base plate 151 of the cable terminal portion 103a
The recording head cartridge 101 is prevented from damaging the cable terminal portion 103a by hitting the cover portion 121a before coming into contact with.

Next, the recording head cartridge 101 will be described. FIG. 10 shows a recording head cartridge 101.
FIG. 11 is a perspective view of the recording head cartridge 153 seen from the direction in which the head terminal portion 153 can be seen, and FIG. 11 is a perspective view of the recording head cartridge 101 seen from the direction in which the surface opposite to the head terminal portion 153 is seen.

This recording head cartridge 101 is shown in FIG.
0 and FIG. 11, a holder 1 having a box shape having a nozzle portion for ejecting ink and an opening portion on the upper surface.
It is one that is integrated with 60, inside the holder 160,
An ink tank 130 containing ink is detachably attached.

The head terminal portion 153 is the base plate 1
The wiring, which is an electric board made of glass epoxy or the like and fixed to 51, and which is connected to the plurality of electrothermal converters forming the nozzle section, is connected to the head terminal section 1 by wire bonding.
Connected to 53. Further, the base plate 151 is attached so as to be inclined by 1 to 4 ° with respect to the transport direction of the recording medium P, and therefore the row of the plurality of ejection ports forming the nozzle portion is also 1 with respect to the transport direction of the recording medium P. Inclined by ~ 4 °.

The ink supplied from the ink tank 130 to the common liquid chamber constituting the nozzle portion and temporarily stored is
The liquid enters the liquid channel due to the capillary phenomenon, and a meniscus is formed at the discharge port to keep the liquid channel filled. At this time, when the electrothermal converter is energized and generates heat on the basis of the recording signal transmitted to the head terminal portion 153, the ink on the electrothermal converter is rapidly heated to cause film boiling to generate bubbles in the liquid passage. Then, the expansion of the bubbles causes the ink to be ejected from the ejection port. Here, the electrothermal converter is shown as the energy generating element for generating energy, but the present invention is not limited to this, and a piezoelectric element for generating mechanical energy that instantaneously applies ejection pressure may be used.

Further, on the base plate 151, the head positioning protrusions 40d and 40e of the carriage 40 (see FIG. 8).
The recording head cartridge 10 corresponding to the position
Head positioning notch 1 into which the square head positioning protrusion 40d is fitted when the head positioning notch 1 is mounted on the carriage 40.
53a and a head positioning hole 153b into which the round head positioning protrusion 40e is fitted are formed.

The base plate 151 is fixed to one end wall of the holder 160 by heat welding, ultrasonic welding or the like. A step 160a is formed at the end of the upper surface of the holder 160 on the side of the base plate 151, and is one step lower than the other parts. Recording head cartridge 101
When mounting the carriage 40 on the carriage 40, the step 160a
The recording head cartridge 101 can be roughly positioned easily by inserting the upper surface of the recording head cartridge under the cover 121a (see FIG. 8) of the cable retainer 121.

A holder 16 is provided as a mechanism for attaching / detaching the recording head cartridge 101 to / from the carriage 40.
No. 0, on the opposite side of the base plate 151, that is, on the other end wall side, is a head pressing portion that is a fixed portion that is held by the head guide 122 (see FIG. 8) of the carriage 40 when mounted on the carriage 40. 160b and a head attachment / detachment operating section 160c which is an operation section for attaching / detaching to / from the carriage 40 are formed. Head pressing unit 160
Reference character b denotes a concave portion that is formed in an inclined shape from the lower end to the upper end of the surface of the holder 160 on the side opposite to the base plate 151. The upper portion of the head pressing portion 160b is a further recessed head guide engaging portion 164, and when the recording head cartridge 101 is mounted on the carriage 40, the head guide 122 of the carriage 40,
The head guide engaging portion 164 is engaged. When the head guide 122 is engaged with the head guide engagement portion 164, the recording head cartridge 101 is moved to the carriage 4
Positioned and fixed with respect to zero. The head attachment / detachment operation section 160c is provided on the front side of the recording head cartridge 101, that is, at the upper end of the area farthest from the head pressing section 160b on the surface on which the head pressing section 160b is provided.
This is to allow the operator to easily remove the device from the device by hooking it with a finger and pulling it upward.

The head pressing portion 160b and the head attaching / detaching operation portion 160c are respectively provided with a latch lever 132a.
Latch lever guide groove 160 which will be described later and serves as a guide for
It is provided in a region that becomes a recess relatively to the protruding region formed by having h (see FIG. 14). As a result, the limited volume of the recording head cartridge 101 is effectively used, and the fixed portion held by the head guide 122 of the carriage 40 in a minimum space,
Also, an operation unit for attaching / detaching to / from the carriage 40 can be obtained.

Now, the operation of attaching / detaching the recording head cartridge 101 to / from the carriage 40 will be described.

In the following description, the upstream side with respect to the transport direction of the recording medium P is called the back side, its surface is called the back surface, the downstream side is called the front side, and its surface is called the front surface.

FIG. 12 shows a perspective view of the ink jet recording apparatus shown in FIG. 8 in a housing. As shown in FIG. 12, the lower case 118 and the upper case 117 form an exterior, and the ink jet recording apparatus shown in FIG. 8 is housed inside the exterior.

At the rear side of the upper case 117, the upper case 1
A top cover 119 that covers 17 is provided to be openable and closable. The upper case 117 has an opening at a portion corresponding to the pressure plate 108, and by opening the top cover 119, the top cover 119 serves as a tray for setting the recording medium P on the pressure plate 108. Further, the upper case 117 has an opening from the center to the front side, and the recording head cartridge 101 or the ink tank 130 can be attached and detached from this opening. Therefore, when the recording head cartridge 101 or the ink tank 130 is replaced, the carriage 40 is moved to the center of its movement range by a predetermined operation. On the front side of the opening for replacement of the recording head cartridge 101 or the ink tank 130, a head cover 120 that covers a part of the upper surface and the front surface of the opening is provided so as to be openable and closable. Tank 13
When 0 is not replaced, the head cover 120 is closed to protect the recording head cartridge 101.

When the recording head cartridge 101 is attached to the carriage 40, first, as shown in FIG. 12, the side of the recording head cartridge 101 on which the base plate 151 (see FIG. 10) is provided is connected to the cable provided on the carriage 2. While being inserted under the cover portion 121a of the presser foot 121, the presser foot 121 is obliquely inserted in the direction of the arrow in the figure. Thereby, the step portion 160a of the recording head cartridge 101
The vertical surface (see FIG. 10) abuts the end surface of the cover 121a, and the recording head cartridge 101 is roughly positioned.

Then, as shown in FIG. 13, the recording head cartridge 101 is pushed downward. At this time, the head pressing portion 160b of the recording head cartridge 101
The inclined surface (see FIG. 11) is guided by the head guide 122 (see FIG. 8) of the carriage 40, and the head positioning protrusions 40d and 40e of the carriage 40 are aligned with the head positioning notch 153a and the head positioning hole 153b of the recording head cartridge 101. The recording head cartridge 101 is smoothly mounted on the carriage 40 while being fitted. When the recording head cartridge 101 is completely installed, the head guide 122 is attached to the head guide engaging portion 164.
(See FIG. 11) to engage the recording head cartridge 10
1 is fixed. Further, due to the pressing force of the head guide 122, the head terminal portion 1 of the recording head cartridge 101
53 is pressed against the cable terminal portion 103a of the carriage 40, and the electrical connection between the two is secured.

When the recording head cartridge 101 is removed from the carriage 40, the head attachment / detachment operation section 160c of the carriage 40 is pulled upward. This allows
The head guide 122 and the head guide engaging portion 164 are disengaged from each other, and the head pressing portion 160b becomes the head guide 122.
Get on. When the head pressing portion 160b rides on the head guide 122, the recording head cartridge 101 is in an oblique state in which the head attaching / detaching portion 160c side projects from the carriage 40. Then, the recording head cartridge 101 can be easily taken out of the carriage 40 by picking up the portion protruding from the carriage 40.

Further, since the head attachment / detachment operating portion 160c is provided at the position farthest from the head pressing portion 160b on the surface on which the head pressing portion 160b is provided, the head attachment / detachment operating portion 160c is pulled up to move the head guide. The moment that acts when the engaging portion 164 disengages from the head guide 122 increases. As a result, the recording head cartridge 101 can be removed with a small force, and the recording head cartridge 101 can be securely held while being easily attached and detached. In order to remove the recording head cartridge 101 with a smaller force, the head pressing portion 160b is provided on the back side with respect to the center line of the recording head cartridge 101 parallel to the moving direction of the carriage 40. In addition, the head attachment / detachment operation section 160c is provided at the front end.

FIG. 14 is a plan view of the recording head cartridge 1 shown in FIG. 10, and FIG. 15 is a sectional view taken along the line AA of the recording head cartridge 1 shown in FIG. As shown in FIGS. 14 and 15, an ink intake pipe 160d is provided on the bottom wall of the holder 160 so as to project, and an ink flow path 160e opening to the ink intake pipe 160d.
Communicate with the common liquid chamber 150c (see FIG. 8) of the nozzle portion 150. Around the ink intake tube 160d,
A seal ring 161 made of an elastic member such as rubber is fixed. A filter 162 is attached to the open end of the ink intake pipe 160d to prevent foreign matter from being taken into the nozzle portion 150.

Overhangs 160f are formed at both corners of the upper end of the holder 160 on the side of the base plate 151, and a tank projection guide portion 160g, which is a semicircular recess, is formed in the vicinity thereof. ing. On the other hand, when the ink tank 130 (see FIGS. 10 and 11) is attached to the inner wall of the holder 160 on the side opposite to the base plate 151, a latch lever 132a (see FIG. 10) described later is installed.
Also, a latch lever guide groove 160h serving as a guide (see FIG. 11) is formed. Further, an inclined surface 160k is formed at the ridge where the bottom wall of the holder 160 and the wall on the base plate 151 side intersect.

Now, the ink tank 130 mounted in the recording head cartridge 1 will be described. FIG.
6 is a plan view of the ink tank 130 mounted in the recording head cartridge 1 shown in FIG. 10, and FIG.
FIG. 17 is a cross-sectional view taken along the line BB of the ink tank 130 shown in FIG. 16.

The ink tank 130 has a container 132 for holding ink, and a lid member 131 which covers the container 132 and seals it to form an atmosphere communication port (not shown).

An ink supply port 132b into which the ink intake tube 160d (see FIG. 15) of the holder 160 is inserted is formed at the bottom of the container 132, and a cylindrical support portion 132c is provided upright around the ink supply port 132b. There is. Ink supply port 132
Before the ink tank 130 is attached to the holder 160, b is sealed with a sealing material (not shown) to prevent ink leakage.

An ink absorber 133 made of sponge or the like is housed inside the container 132, and the ink is absorbed and held by the ink absorber 133. The ink supply member 135 formed of a unidirectional fiber bundle is inserted into and supported by the support portion 132c, and the ink absorber 133 is in close contact with the upper end surface of the ink supply member 135. The ink absorbed by the ink absorber 133 passes through the ink supply member 135 and the ink supply port 132b.
It is led to. When the ink tank 130 is attached to the holder 160, as shown in FIG. 18, the ink intake pipe 160d of the holder 160 is inserted into the ink supply port 132b so that they are communicated with each other, and the ink is supplied to the nozzle portion 150 via the ink flow path 160d. Ink is supplied. At this time, the seal ring 161 provided around the ink supply port 132b comes into close contact with the outer edge of the ink supply port 132b, and ink leakage is suppressed.

Further, in order to communicate the ink supply port 132b with the above-mentioned atmosphere communication port via the air layer, the container 13
2 and the ribs 134 (only the ribs 134 of the lid member 131 are shown in FIG. 17) at predetermined portions inside the lid member 131 and the ink absorber 133 and the container 13.
A predetermined space is formed between the container 2 and the lid member 131, and a slit (not shown) that connects the inside and the outside of the container 132 is provided in a part of the inner surface of the support portion 132c.
In this way, the ink supply port 132 is connected by communicating the inside and the outside of the ink tank 130 via the air layer.
It is possible to prevent the ink from being blown out or leaking from the ink supply port 132b when the seal material that has sealed b is peeled off. Further, even if the ambient temperature of the ink tank 130 rises during recording, the ink in the ink tank 130 will not be pushed out to the outside. Further, since the ink does not stay on the inner wall of the container 32, the ink supply port 13
There is also no risk of ink leaking from 2b or the air communication port, and ink consumption efficiency improves.

On the other hand, as an external structure of the ink tank 130, the ink tank 130 is provided in the holder 16 in the container 132.
The base plate 151 of the holder 160 when mounted on 0
A retaining claw 132d as a claw-shaped projection is integrally provided on the surface that contacts the inner wall on the side. This retaining claw 1
The reference numeral 32d is to be fitted into a tank retaining hole 160i (see FIG. 15) formed in the holder 160, and serves as a guide when the ink tank 130 is mounted in the holder 160, and the ink tank 130 is mounted in the holder 160. In this state, the ink tank 130 holds the ink tank 130.

In addition, at the ridge where the bottom wall of the container 132 and the surface on which the retaining claw 132d is formed intersect, the inclined surface 1
32f is formed. The angle and shape of the inclined surface 132f are substantially equal to the angle and size of the inclined surface 160k (see FIG. 15) of the holder 160.

Further, a latch lever 132a whose lower end portion is elastically supported is integrally provided on the other end surface which is the outer wall on the side opposite to the retaining claw 132d. The latch lever 132 a is inclined toward the upper outside of the ink tank 130, and the latch lever guide groove 16 of the holder 160.
0h (see FIGS. 14 and 15), and when the ink tank 130 is attached to the holder 160, the ink tank 130 is pressed by the latch lever guide groove 160h and the ink tank 130 is pressed by the latch lever guide groove 160h.
The latch claw 132e formed on the latch lever 132a is bent in the direction of arrow C shown in FIG. 6 and is engaged with the latch claw engagement hole 160j formed in the latch lever guide groove 160h. In this embodiment, the latch lever 132a is the container 1
32 is integrally molded.

Regarding the lid member 131, the lid member 13 is provided at the end portion of the upper surface on which the retaining claws 132d are formed.
A step portion 131a which is one step lower than the upper surface of No. 1 is formed. When the ink tank 130 is attached to the holder 160, the ink tank 130 is inserted so that the step portion 131a is squeezed under each protruding portion 160f (see FIGS. 14 and 15) of the holder 160, and the approximate positioning is performed. I do. Further, a tank protrusion 131b that fits into the tank protrusion guide portion 160g of the holder 160 is formed.

Next, the holder 160 of the ink tank 130.
The attachment / detachment operation to / from will be described.

When mounting the ink tank 130 on the holder 160, first, the sealing material that seals the ink supply port 132b is peeled off. After that, as shown in FIG. 19, the ink tank 130 is obliquely inserted in the direction of the arrow from the side where the retaining claw 132d is formed, and the ink tank 130 is inserted.
The stepped portion 131a of each of the protruding portions 160 of the holder 160.
Ink tank 13
The retainer claw 132d of 0 is hooked in the reservoir retainer hole 160i (see FIG. 15) of the holder 160 to roughly position the ink tank 130. Ink tank 13
When the 0 is inserted into the holder 160, the inclined surface 132f is formed on the ink tank 130.
If 32f is used as a guide so as to be substantially parallel to the bottom wall of the holder 160 and is inserted, it is easy to make the step 131a of the ink tank 130 slip under the protrusions 160f of the holder 160. Also, holder 1
Since the inclined surfaces 160k and 132f corresponding to each other are formed on the ink tank 60 and the ink tank 130, different kinds of ink tanks cannot be attached to the holder 160,
Incorrect installation of ink tank is prevented.

Then, as shown in FIG. 20, the ink tank 130 is pushed downward so that the latch lever 132a moves along the latch lever guide groove 160h (see FIGS. 14 and 15). Then, the ink tank 13
0 rotates substantially around the part inserted in the holder 160,
The latch lever 132a is pressed by the latch lever guide groove 60h and is bent inward and pushed in, and the latch claw 132e (see FIG. 17) of the latch lever 132a is engaged with the latch claw engagement hole 160j (see FIG. 15) of the holder 160. To do. As a result, the ink tank 130 is attached to the holder 160.
Fixed to Also, since the latch claw 132e engages with the latch claw engaging hole 160j, a click feeling is generated, and thus the feel at the time of mounting is also good.

When removing the ink tank 130 from the holder 160, the latch lever 132a is pushed inward to release the engagement between the latch claw 132e and the latch claw engaging hole 160j. Since the lower end of the latch lever 132a is elastically supported and is inclined upward and outward of the ink tank 130, when the engagement between the latch claw 132e and the latch claw hole 160j is released, FIG. I try to return to the state shown in. Therefore, the latch lever 132
The inclined surface of the root of “a” slides up along the latch lever guide groove 160h, and the ink tank 130 automatically lifts up on the side of the latch lever 132a to be in an inclined state. And
By picking up the raised part, the ink tank 13
0 can be easily removed from the holder 160.

As described above, by rotating the ink tank 130 substantially and attaching / detaching it to / from the holder 160, it is possible to attach / detach in a small space. In addition, at the time of mounting, the step portion 131 a is used as the guide while using the inclined surface 132 f of the ink tank 130 as a guide.
By inserting the ink tank 130 into f, the insertion direction of the ink tank 130 into the holder 160 is restricted. Furthermore, the tank protrusion 131b is provided on the ink tank 130, and the tank protrusion guide portion 160 is provided on the holder 160.
g is provided, the holder 16 of the ink tank 130 is
The insertion position into 0 is also regulated, and the ink tank 130 is rotated about the tank protrusion 131b.

As a result, the ink tank 130 is mounted without interfering with the filter 162 (see FIGS. 14 and 15) of the holder 160, and there is no risk of damaging the filter 162 when mounting the ink tank 130. Further, since the ink tank 130 is rotated and attached to and detached from the holder 160, the attachment / detachment space is small, and the ink jet recording apparatus can be downsized.

In the above example, the latch lever 132a is used to remove the ink tank 130 from the holder 160.
Latch lever 13 of ink tank 130 due to the restoring force of
The phenomenon in which the end portion on the 2a side is lifted is used, but in addition to that, the other end side of the ink tank 130 (latch lever 1
A pop-up spring 168 as shown in FIG. 21 is provided as an urging means for urging the bottom wall (on the side where 32a is provided) toward the opening of the holder 160, and the ink force of the ink tank 130 is utilized by utilizing the spring force. The end on the side of the latch lever 132a may be lifted. The pop-up spring 168 is a leaf spring fixed to the bottom wall of the hollow portion of the holder 160,
A free end portion of the holder 160 extending from the nozzle portion 150 side to the latch lever guide groove 160h side is curved and directed upward. As a result, when the latch claw 132e is disengaged from the latch claw engaging hole 160j, the end of the ink tank 130 on the side of the latch lever 132a is lifted by the spring force of the pop-up spring 168 to project from the holder 160. Ink tank 1
The removal of 30 becomes easier.

19 and 20, the procedure for attaching / detaching the ink tank 130 to / from the recording head cartridge 1 alone is shown.
The attachment / detachment operation of the ink tank 130 can be performed even in a state in which 1 is attached to the carriage 40 (see FIG. 8).

FIG. 22 is a perspective view showing a state in which the ink tank 130 is attached to the recording head cartridge 101 and the recording head cartridge 101 is further attached to the carriage 40. As is clear from FIG. 22, the latch lever 132, which serves as an operating portion when the ink tank 130 is attached and detached.
a and a head attachment / detachment operation section 160c which is an operation section when the recording head cartridge 101 is attached / detached, are the carriage 4
They are arranged on the same side with respect to the moving direction of 0.
Thereby, the operator can easily recognize each operation unit, and the operation can be unified, so that the operability is improved. Moreover, it is possible to provide an operation unit that is very cohesive in terms of design. Further, when the ink tank 130 is attached or detached or the recording head cartridge 101 is attached or detached, it suffices to have a space for the operator to operate only on the side where the latch lever 132a and the head attachment / detachment operation section 160c are provided. Therefore, if the carriage 40 is located at such a position, the ink tank 130 or the recording head cartridge 1 can be attached or detached at any position.

Although the latch lever 132a and the head attachment / detachment operation section 160c are arranged adjacent to each other, the operation of removing the ink tank 130 is an operation of pushing the latch lever 132a inward, and the recording head cartridge 101 is removed. The operation is the head attachment / detachment operation section 160c
Since it is an operation to pull up, erroneous operation is avoided by the difference in the operation method. In addition, the latch lever 132
Since the positions of a and the head attachment / detachment operation section 160c are arranged in different steps, it is easy to recognize the difference in function. In this case, when the frequency of attachment / detachment of the ink tank 130 and the frequency of attachment / detachment of the recording head cartridge 101 are compared, the frequency of attachment / detachment of the ink tank 130 is higher. Therefore, in consideration of ease of operation, the head of the latch lever 132a (operator) is considered. Head attach / detach operation section 160c
It is located above the position.

FIG. 23 is a perspective view showing a recording head cartridge 201 having a different form from the recording head cartridge 101 described with reference to FIGS. 8 to 22. The printhead cartridge 201 is capable of storing a large amount of ink used in a large-sized printing apparatus.

The scanner head cartridge of the present embodiment shown in FIGS. 1 to 6 can be mounted on any of the different types of ink jet printers which respectively use the above recording head cartridges 101 and 201.

That is, for the small printhead cartridge 101, the carriage 40 on which the printhead cartridge 101 is mounted can be mounted in the same form as the printhead cartridge 101, and the printhead cartridge 201 is made larger. about,
By combining with an adapter as will be described later, it has a shape similar to that of the recording head cartridge 201, so that the recording head cartridge 201 can be mounted on a carriage.

Regarding mounting compatibility of the scanner head cartridge 10, first, compatibility with the recording head cartridge 101 will be described.

FIG. 24 shows the carriage 40 shown in FIG.
FIG. 3 is a perspective view showing a state in which the scanner head cartridge 10 is mounted instead of the recording head cartridge 101. The recording head cartridge 101 has a shape that fits with the carriage 40 and doubles as a guide function at the time of insertion in order to increase the amount of ink stored in the ink tank housed inside as described above.

In the case of the scanner head cartridge 10, it is necessary to have a shape similar to that of the recording head cartridge 201.
Is the same as the shape of the bottom surface of the recording head cartridge 201. Therefore, at the time of insertion into the carriage 40, by inserting the ears 2A and 2B as the positioning guide means along the upper end of the side wall of the carriage 40,
We are trying to improve its ease.

For precise positioning at the time of insertion, two head positioning protrusions 4 provided on the carriage 40 are used.
0d and 40e, the positioning hole 1B, and the positioning groove 1C are performed in the same manner as the recording head cartridge 101.

The state at the time of mounting shown in FIG. 24 will be described.
The head guide 122 presses against the contacts,
The carriage 40 and the scanner head cartridge 10 are securely connected and housed.

At this time, the portion pressed by the head guide 122 becomes the recess 2E (see FIG. 4) formed in the projection 2F projectingly provided on the upper case 2. Therefore, the protrusion 2F
Is pressed toward the projection 3D, the fitting between the recess 2D and the projection 3D is made stronger, and the lower case 1 and the upper case 2 are more reliably integrated.

When removing the scanner head cartridge 10 from the carriage 40, the eaves portion 2G is lifted up.
Since the protrusion 2F is pressed by the head guide 122 until the upper case 2 is removed from the carriage 40, the lower case 1 and the upper case 2 are removed in an integrated state, and the operability is easy. Has become.

Next, the structure and mounting of the adapter for forming the same shape as the recording head cartridge 201 shown in FIG. 23 will be described with reference to FIG.

As shown in FIG. 25, the upper case 2 is removed from the scanner head cartridge 10 and only the lower case 1 is used.

As shown in the figure, the adapter 225 has a hinge portion (not shown) inserted into the rotation hole 1S (see FIG. 2) of the lower case 1, and a protrusion provided on the end portion on the side opposite to the hinge portion. The protrusion 3D shown in FIG. 3 is inserted into the recess (not shown) in the inside of the recording head cartridge 2 shown in FIG.
A scanner head cartridge 226 that has the same shape as that of 01 and is integrated vertically is formed.

Here, the shape of the engaging portion between the lower case 1 and the adapter 225 is explained as being similar to the fitting of the lower case 1 and the upper case 2, but the scanner head cartridge 226 is attached to the printer. In this case, if the shape does not hinder the attachment, the present invention is not limited to this, and other engagement methods will not cause any problems. Therefore, by constructing the scanner head cartridges of different shapes with the adapter method, it is not necessary to manufacture a new head cartridge as a whole, so that the cost can be greatly reduced and one base unit can be used for several kinds of printers. become.

[0126]

Since the present invention is configured as described above, it has the following effects.

When the scanner head cartridge is mounted on the carriage, the scanner head cartridge can be smoothly mounted by a simple mounting operation, and the positioning and mounting at that time can be carried out with high accuracy, and the scanner head cartridge. It is possible to provide an information processing device to which the user can wear.

Even if the carriages of different shapes are mounted with different ink head cartridges, they can be shared by sharing the base unit, and the cost can be reduced.

[Brief description of the drawings]

FIG. 1 is an external perspective view showing the present embodiment.

FIG. 2 is a perspective view showing the arrangement of electric components in this embodiment.

FIG. 3 is a diagram showing an arrangement of optical system components in the present embodiment.

FIG. 4 is a side view showing the internal configuration of the present embodiment.

FIG. 5 is a diagram showing a method of fixing an optical system component according to the present embodiment.

FIG. 6 is a diagram showing a lens adjustment unit in the present embodiment.

FIG. 7 is a diagram showing a state where the main body is mounted in the present embodiment.

8 is a perspective view of a carriage of the inkjet recording apparatus shown in FIG.

9 is a perspective view of the vicinity of a head guide of the carriage shown in FIG.

10 is a perspective view of a recording head cartridge mounted in the inkjet recording apparatus shown in FIG. 1 when an ink tank is mounted, as viewed from a direction in which a head terminal portion is visible.

11 is a perspective view of a recording head cartridge mounted in the inkjet recording apparatus shown in FIG. 1 when an ink tank is mounted and seen from a direction in which a surface opposite to a head terminal portion can be seen.

12 is a perspective view showing a first step of a procedure of mounting the recording head cartridge on the carriage in the inkjet recording apparatus shown in FIG.

13 is a perspective view showing a second step of the procedure for mounting the recording head cartridge on the carriage in the inkjet recording apparatus shown in FIG.

14 is a plan view of the recording head cartridge shown in FIG.

FIG. 15 is an A of the recording head cartridge shown in FIG.
FIG. 4 is a cross-sectional view taken along a line A.

16 is a plan view of an ink tank mounted on the recording head cartridge shown in FIG.

17 is a sectional view of the ink tank shown in FIG. 16 taken along the line BB.

FIG. 18 is a cross-sectional view showing a state where the ink supply port of the ink tank shown in FIG. 17 is connected to the holder.

FIG. 19 is a perspective view showing a first step of a procedure for mounting the ink tank on the recording head cartridge.

FIG. 20 is a perspective view showing a second step of the procedure for mounting the ink tank on the recording head cartridge.

FIG. 21 is a cross-sectional view corresponding to the line A′-A ′ of the recording head cartridge shown in FIG. 14, showing an example of the recording head cartridge in which a pop-up spring is provided on the bottom wall of the holder.

22 is a perspective view showing a state in which the recording head cartridge shown in FIG. 11 is mounted on the carriage shown in FIG.

23 is a perspective view showing a recording head cartridge 201 having a different form from the recording head cartridge 101 described with reference to FIGS. 8 to 22. FIG.

24 is a perspective view showing a state in which the scanner head cartridge 10 is mounted in place of the recording head cartridge 101 on the carriage 40 shown in FIG.

FIG. 25 is a recording head cartridge 20 shown in FIG. 23.
It is a figure which shows the structure and mounting state of the adapter for making it the same shape as 1.

[Explanation of symbols]

 1 Lower Case 2 Upper Case 3 LED 4 Cooling Plate 5 Rod Lens Holder 6 Rod Lens 7 Field Lens 8 Mirror 9 Lens Holder 10 Scanner Head Cartridge 11 Lens Tube 12 Imaging Lens 13 Image Sensor 14 Mirror Holder 16 Lens Stopper 20 Flexible Board 40 Carriage 45 frame 52 LF roller

 ─────────────────────────────────────────────────── ─── Continued front page (72) Inventor Shinya Asano 3-30-2 Shimomaruko, Ota-ku, Tokyo Canon Inc. (72) Inventor Makoto Torikoshi 3-30-2 Shimomaruko, Ota-ku, Tokyo Canon Incorporated (72) Inventor Yuichi Kaneko 3-30-2 Shimomaruko, Ota-ku, Tokyo Canon Inc. (72) Inventor Akihiko Nakatani 3-30-2 Shimomaruko, Ota-ku, Tokyo Canon Inc.

Claims (16)

[Claims] 1. A carriage for moving an ink head cartridge of an information processing apparatus for recording on a recording medium,
A scanner head cartridge that can be held by being replaced with the ink head cartridge, and is configured to be engageable so as to cover an open surface of the lower case, which houses an optical component necessary for reading And a scanner head cartridge having a positioning guide means for insertion into the carriage provided on the upper surface of the upper case. 2. The scanner head cartridge according to claim 1, wherein the lower case is engaged with the upper case near one side of the open surface of the upper case, and the side where the upper case and the lower case are engaged with each other. A scanner head cartridge provided with coupling means on opposite sides. 3. The scanner head cartridge according to claim 2, wherein the coupling means includes a protrusion provided on a side wall of the upper case and a recess provided on the lower case and shaped to fit with the protrusion. A scanner head cartridge, which is configured by a stopper member, and is provided at a position where the carriage holding means presses the recess against the protrusion via the locking member when the carriage is mounted. 4. The scanner head cartridge according to claim 1, wherein the light source constituting the optical component housed in the upper case has its illuminating light obliquely irradiating the original and the irradiation center is at the original height. A scanner head cartridge arranged so as to illuminate a position deeper than the reference position in the depth direction. 5. The scanner head cartridge according to claim 4, wherein the light source is composed of a plurality of LEDs, and a cooling plate is provided on the back surface of the substrate on which the LEDs are mounted to stabilize the temperature. Head cartridge. 6. The scanner head cartridge according to claim 5, which is preheated by flowing a low current for a certain period of time before reading, and kept at a predetermined temperature by flowing a low current after reading. 7. An information processing apparatus for recording on a recording medium, a lower case accommodating optical components required for reading, and an upper case engageable so as to cover an open surface of the lower case. And a positioning guide means for inserting into the carriage provided on the upper surface of the upper case, the scanner head cartridge is replaced with an ink head cartridge for recording on a recording medium, An information processing device having a carriage to be moved. 8. The information processing apparatus according to claim 7, wherein the lower case is engaged with the upper case in the vicinity of one side of the open surface of the upper case, and faces the side with which the upper case and the lower case are engaged. An information processing apparatus in which a coupling means is provided on the side to be connected. 9. The information processing apparatus according to claim 8, wherein the coupling means includes a first locking member protruding from an end of the upper case and the first locking provided on the lower case. A second locking member corresponding to the member, and the coupling means is provided at a position where the holding means of the carriage presses the first locking member against the second locking member when the carriage is mounted. Information processing device. 10. The information processing apparatus according to claim 7, wherein the light source forming the optical component housed in the upper case has its illuminating light obliquely irradiating the document, and the irradiation center is a reference of the document height. An information processing device arranged so as to irradiate a position deeper in the depth direction than the position. 11. The information processing apparatus according to claim 10, wherein the light source is composed of a plurality of LEDs, and a cooling plate is provided on the back surface of the substrate on which the LEDs are mounted to stabilize the temperature. Processing equipment. 12. The information processing apparatus according to claim 11, wherein the information processing apparatus is preheated by flowing a low current for a certain period of time before reading and kept at a predetermined temperature by flowing a low current after reading. 13. The information processing apparatus according to claim 7, wherein the ink head cartridge includes an inkjet head that ejects ink from an ink ejection port to perform recording on the recording medium. 14. The information processing apparatus according to claim 7, wherein the ink head cartridge includes an electrothermal converter and ejects ink from an ink ejection port by using thermal energy generated by the electrothermal converter. An information processing apparatus comprising an inkjet head for recording on the recording medium. 15. The information processing apparatus according to claim 7, wherein the ink head cartridge includes a piezoelectric element and ejects ink from an ink ejection port by using mechanical energy generated by the piezoelectric element. An information processing apparatus including an inkjet head that performs recording on an image. 16. A scanner head cartridge that can be held by being replaced with the ink head cartridge on a carriage that moves the ink head cartridge of an information processing apparatus for recording on a recording medium, and an optical device required for reading. A scanner head cartridge having a lower case for accommodating components therein, and an adapter configured to be engageable so as to cover an open surface of the lower case and having a shape substantially the same as that of the ink head cartridge when engaged. .