JP2000272194A - Recording apparatus - Google Patents

Abstract

PROBLEM TO BE SOLVED: To maintain a carriage in a stable posture by connecting to a recording means a flexible cable for sending electric signals to drive the recording means, and electric power, and turning the flexible cable over the carriage. SOLUTION: A recording head cartridge 15 including an ink jet recording head 8 as a recording means is loaded to a carriage 7. To the carriage is connected one end of a flexible substrate 16 which is a flexible cable for sending electric signals to drive the ink jet recording head 8, and electric power. The recording head cartridge 15 loaded onto the carriage 7 electrically connects a substrate connected to an electrothermal conversion element as an electrothermal converter of the recording head 8 and, a control substrate of a word processor with each other. The carriage 7 can be maintained in a stable posture by turning the flexible cable 16.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a so-called serial type recording apparatus for recording an image on a recording medium by a recording means mounted on a carriage moving along a guide member.

[0002]

2. Description of the Related Art A recording apparatus having functions such as a printer, a copying machine, and a facsimile, or a recording apparatus used as an output device of a multifunction machine or a workstation including a computer or a word processor is provided by an ink jet system, a wire dot system, or the like. , A thermal transfer method, a thermal transfer method, a laser beam method, and the like.
An image (including characters and symbols) is recorded on a recording medium such as an HP sheet.

[0003] Among them, in a serial type recording apparatus which is a recording system which scans in a direction (main scanning direction) intersecting with a conveying direction (sub-scanning direction) of the recording medium, a recording medium is moved to a predetermined recording position. After the image is set on the recording medium, the image (including characters, symbols, etc.) is formed by a recording unit (recording head) mounted on a carriage that moves on the recording medium in the main scanning direction.
After the recording of one line is completed, the recording medium is conveyed (sub-scanning) by a predetermined amount, and then the image of the next line is recorded (main scanning). An image is recorded in a desired area of the medium.

A configuration of a conventional serial type ink jet recording apparatus will be described with reference to FIGS. As shown in FIGS. 6 and 7, an inkjet recording head 105 serving as a recording unit mounted on a carriage 104 that moves along a guide shaft 102 and a guide rail 103 that is arranged to intersect the transport direction of the recording medium 101. By the recording medium 101
In the serial type ink jet recording apparatus for recording an image on the carriage 104, the guide shaft 102 is inserted into cylindrical bearings 104a, 104b formed integrally with the carriage 104, and is formed in a U-shape integrally with the carriage 104. Receiving part 104
By arranging c and 104d so as to sandwich the guide rail 103, the carriage 104 is movably guided along the guide shaft 102 and the guide rail 103.

[0005] Then, between the bearings 104a, 104b and the guide shaft 102, and the receiving portions 104c, 104 so that the carriage 104 can move smoothly along the guide shaft 102 and the guide rail 103.
As shown in FIGS. 7 to 9, a clearance 10 is formed between the guide rail 103 and the guide rail 103 with a predetermined dimensional difference.
6, 107 are provided.

On the other hand, a flexible substrate (F) for sending an electric signal or electric power for discharging ink from the ink jet recording head 105 to the ink jet recording head 105.
The PC (PC) 108 is routed below the carriage 104 as shown in FIG.

[0007]

In the prior art described above, when the distance between the carriage 104 and the bent portion 108a of the flexible substrate 108 is large as shown in FIG.
Since the carriage 104 hardly receives a reaction force due to the bending of the flexible substrate 108, the carriage 104 has three points of bearings 104a, 104b and a receiving portion 104c due to its own weight as shown in FIGS. It is movably supported in a stable state in contact with the upper part.

However, as the carriage 104 moves in the main scanning direction (a direction intersecting the transport direction of the recording medium 101) and records an image on the recording medium 101, the carriage 104 moves in the direction of arrow a in FIG. Then, as shown in FIG. 10, the bent portion 108a of the flexible
When approaching 04, the carriage 104 is
Due to the reaction force accompanying the bending of the carriage 104, a force is applied in the directions indicated by arrows b and c in FIG. 10, which are opposite to the direction of the weight of the carriage 104, between the bearings 104a and 104b and the guide shaft 102, and the receiving portions 104c and 104d. Since the clearances 106 and 107 are respectively provided between the carriage 104 and the guide rail 103, the posture of the carriage 104 rotates in the direction of arrow d in FIG. 8 or the direction of arrow e in FIG. Head 1
There is a possibility that the landing position of the ink ejected from 05 shifts and the image quality deteriorates.

In particular, when the size of the recording apparatus is to be reduced and the number of nozzles and the color of the ink jet recording head 105 are to be increased, the weight of the ink jet recording head 105 is reduced. The carriage 104 may be superposed due to the increase in rigidity, and the posture of the carriage 104 may easily change.
There is a possibility that the displacement of the landing position of the ink ejected from the inkjet recording head 105 mounted on the 04 will also be large.

In order to solve this problem, a technique has been proposed in which a play removing mechanism is provided between the guide shaft 102 and the bearings 104a and 104b as disclosed in Japanese Patent Application Laid-Open No. 5-85004.
There is a problem that the number of parts increases and the cost increases, and when the recording apparatus is further downsized, there is a problem that it is difficult to provide the backlash removing mechanism in terms of space.

The present invention has been made to solve the above problems, and
The purpose is to maintain a stable posture of the carriage by routing a flexible cable for transmitting an electric signal and electric power for driving the recording means above the carriage on which the recording means is mounted, thereby reducing the cost. Accordingly, it is an object of the present invention to provide a compact and compact recording apparatus capable of maintaining image quality.

[0012]

To achieve the above object, a typical recording apparatus according to the present invention has a structure in which a carriage on which recording means is mounted moves along a guide member so that the recording medium is moved relative to a recording medium. And a flexible cable connected to the recording means and transmitting an electric signal and / or electric power for driving the recording means is arranged so as to be routed above the carriage. Features.

According to the above construction, when the flexible cable connected to the recording means is routed above the carriage so that the bent portion of the flexible cable approaches the carriage, the flexible cable is bent against the carriage by a reaction force accompanying the bending of the flexible cable. The direction of the applied force matches the direction of the weight of the carriage, and the carriage can be maintained in a stable posture.

[0014]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment in which the present invention is applied to a word processor equipped with an ink jet recording means as an example of a recording apparatus according to the present invention will be specifically described with reference to the drawings. FIG. 1 is a perspective view showing the appearance of a recording apparatus according to the present invention,
FIG. 2 is a perspective view illustrating the internal configuration of the printing apparatus according to the present invention, FIG. 3 is a cross-sectional view illustrating the configuration around the carriage of the printing apparatus according to the present invention, and FIG. 4 is a control system of the printing apparatus according to the present invention. FIG. 5 is a perspective view showing the direction of the force acting on the carriage due to the reaction force accompanying the bending of the flexible cable.

In FIG. 1, reference numeral 1 denotes a keyboard for inputting information, and 2 denotes a display unit comprising an LCD (liquid crystal device) for displaying input information and the like input by the keyboard 1.

Reference numeral 3 denotes a floppy disk driver (hereinafter referred to as "FDD") for storing input information and the like input by the keyboard 1, and 4 is stored between the upper case 5 and the lower case 6 of the word processor. Recording section. The recording unit 4 records an image on a sheet P made of paper, synthetic resin, or the like as a recording medium conveyed as shown in FIG.

When character information or the like is input through the keyboard 1, the input information is displayed on the display unit 2. When the sheet P is set on the recording unit 4 to output this information and the recording start key is pressed, the recording unit 4 operates to record image information on the set sheet P.

In FIG. 2, reference numeral 7 denotes a recording head cartridge 15 including an ink jet recording head 8 serving as recording means.
And a recording head mounted on the carriage 7 by moving in a direction (main scanning direction) intersecting with the conveying direction of the sheet P along a guide shaft 9 and a guide rail 10 serving as guide members. An image is recorded on the sheet P by discharging ink from the recording head 8 provided in the cartridge 15 in accordance with image information.

As shown in FIG. 3, the carriage 7 has cylindrical bearings 7a and 7b into which the guide shaft 9 is inserted, and receiving portions 7c and 7d having a U-shaped cross section arranged to sandwich the guide rail 10. It is formed integrally.

The carriage 7 is supported movably at two points of bearings 7a and 7b with respect to the guide shaft 9, and movably abuts at one point of the receiving portion 7c with the guide rail 10. By being supported, a total of three points abut and are movably supported.

In this embodiment, a case will be described in which the carriage 7 is movably supported at three points with respect to a guide shaft 9 and a guide rail 10 serving as guide members. It may be supported movably at a point.

The carriage 7 has a drive pulley 12 and a free pulley, some of which are driven by a carriage drive motor 11.
13 and is reciprocated in the direction of arrow a in FIG. 2 along the guide shaft 9 and the guide rail 10 in response to the rotation of the carriage drive motor 11. Has become.

Reference numeral 15 denotes a recording head cartridge which has a recording head 8 serving as recording means having downwardly formed ink discharge ports and is removably mounted on the carriage 7, and 16 is connected to the recording head 8; It is a flexible substrate that serves as a flexible cable for transmitting electric signals and electric power for driving the recording head 8.

One end of the flexible substrate 16 is the carriage 7
The recording head cartridge 15 is mounted on the carriage 7
When mounted on the board, a board (not shown) connected to an electrothermal conversion element serving as an electrothermal transducer of the recording head 8 is electrically connected to a control board (not shown) of the word processor.

As shown in FIG. 2, the flexible board 16 having one end fixed to the carriage 7 is pulled out to the upper side of the carriage 7 and fixed at a fixed portion 16a on the way before being connected to a control board (not shown). It is fixed to the case 5, and the lower side of the flexible board 16 is regulated by the receiving portion 17, and the upper side of the flexible board 16 is regulated by the upper case 5.

Further, as shown in FIG. 5, the flexible substrate 16 is formed on the upper surface of the carriage 7, and is inclined at a predetermined angle so that the bent portion 16b side of the flexible substrate 16 is lower than the horizontal plane. Slope 7e and slope 7e
The carriage 7 extends along a slope 7f inclined at a predetermined angle so that the bent portion 16b side of the flexible substrate 16 becomes lower at a larger inclination angle than the slope 7e.
Is routed above the
The flexible board 16 is always routed above the carriage 7.

The inclination angle of the slopes 7e and 7f is determined by the force point Q of the force that the carriage 7 receives from the flexible substrate 16 when the bent portion 16b of the flexible substrate 16 approaches the carriage 7.
Is set to be on the tangent 7g between the slopes 7e and 7f.

As a result, the carriage 7 moves along the guide shaft 9 and the guide rail 10 to move the flexible substrate 16.
When the bent portion 16b of the carriage 7 approaches the carriage 7, the carriage 7 is moved from the flexible substrate 16 to a vertical downward force h at the force point Q on the tangent line 7g of the slope 7e and the slope 7f, which coincides with the direction of the weight of the carriage 7, and the guide shaft. 9 and a force c parallel thereto.

In this embodiment, when the bent portion 16b of the flexible board 16 approaches the carriage 7 with the movement of the carriage 7, the carriage 7
The bearing 7 is provided such that the force point Q of the force received from the carriage 16 is movably supported by the carriage 7 relative to the guide shaft 9 and the guide rail 10.
It is set so as to be located in an inner region of a triangle 18 formed by connecting three points consisting of a, 7b and a receiving portion 7c.

That is, a tangent line 7g between the inclined surface 7e and the inclined surface 7f is formed in an area inside the triangle 18 connecting the three support points of the bearings 7a and 7b and the receiving portion 7c.
The rotational moment generated by the vertically downward force h on the shaft formed by connecting any two of the three support points of the bearings 7a, 7b and the receiving portion 7c is transferred to the other support point by the guide shaft 9 or the guide rail. Since it acts in the direction in which it is pressed against 10, the direction of the force applied to the carriage 7 due to the reaction force accompanying the bending of the flexible substrate 16 acts in a direction that matches the direction of its own weight (vertical downward direction) of the carriage 7, and The carriage 7 can be maintained in a stable posture in the same state as when it is not applied.

As shown in FIG. 5, the flexible substrate 16 is arranged so as to be routed as close to the guide shaft 9 as possible. Is set so as to be routed closer to the guide shaft 9 than the position of the center of gravity G of the carriage 7 when the is mounted.

As a result, the rotational moment of the carriage 7 in the direction of arrow i in FIG. 5 due to the force c parallel to the guide shaft 9 can be minimized, and the posture of the carriage 7 can be maintained in a more stable state. .

As shown in FIG. 3, on the upper side in the vertical direction of the receiving portions of the bearings 7a and 7b for receiving the guide shaft 9 of the carriage 7, they are parallel to the guide shaft 9 and cross each other at an angle smaller than 180 degrees. Two planes 19 and 20 are formed, and the guide shaft 9 is sandwiched and received by the planes 19 and 20.

As a result, the carriage 7 is brought into contact with the guide shaft 9 and the planes 19 and 20 of the bearings 7a and 7b by the arrow i in FIG.
The posture of the carriage 7 can be maintained in a more stable state in order to oppose the rotational moment in the direction.

In this embodiment, the guide shaft 9 is sandwiched and received by the two planes 19 and 20. However, the guide shaft 9 may be sandwiched and received by other plural planes. Alternatively, it may be formed in a cylindrical shape as in the above-described conventional example.

2 and 3, reference numeral 21 denotes a conveying roller, which is connected to a sheet conveying motor (not shown) via a driving force transmitting mechanism 22 such as a gear train. Reference numeral 23 denotes a pinch roller rotatably supported on a pinch roller holder 24. The pinch roller 23 is urged to the transport roller 21 by urging means (not shown).

Reference numeral 25 denotes a discharge roller, which is a driving force transmission gear train.
It is connected to the transport roller 21 via 26. Discharge roller
25 is urged to the spur 27 by urging means (not shown). Reference numeral 28 denotes a platen arranged to face the recording head 8 and supports the back surface of the sheet P facing the recording head 8.

The platen 28 is a pinch roller holder 2
4. Also serves as a base frame in which the discharge roller 25, the driving force transmission gear train 26, the pump 29, and the like are incorporated.

The sheet P serving as a recording medium is inserted between the upper and lower guide members 30 and 31 serving as a sheet feeding port, and is inserted between the transport roller 21 and the pinch roller 23 and between the discharge roller 25 and the spur roller.
The sheet is conveyed in the direction indicated by the arrow f in FIG.

Numeral 32 denotes a cap disposed outside the area through which the sheet P passes, and a driving force is transmitted from a sheet conveying motor (not shown) via a clutch mechanism and a driving force transmitting mechanism 22 (not shown), and an arrow shown in FIG. It is configured to be movable in the g direction.

Further, the cap 32 is not suitable for recording and a pump 29 for performing the recovery operation of the recording head cartridge 15, and is in series communication with a waste ink tank (not shown) for discarding the ink sucked by the pump 29. .

Recording head cartridge with cap 32
In the recovery operation of 15, the carriage 7 is moved to set the ink ejection portion (not shown) of the recording head 8 of the recording head cartridge 15 mounted on the carriage 7 to a position (capping position) opposed to the cap 32. After the ink discharge unit of the recording head 8 is brought into close contact with the recording head 8, the pump 29 is driven to suck ink from the ink discharge unit.

Reference numeral 33 denotes a wiper, which is configured to be able to contact / separate from the ink ejection portion of the recording head 8 in conjunction with the movement of the carriage 7. By moving the carriage 7 while the wiper 33 is in contact with the ink ejection section of the recording head 8, dirt such as dust adhered to the ink ejection section can be wiped and cleaned (wiping).

The recording means of this embodiment uses ink jet recording means for discharging ink from the recording head 8 for recording. That is, the recording head 8 has a fine liquid ejection port (orifice), a liquid path, an energy action section provided in a part of the liquid path, and an energy for generating a droplet forming energy to act on the liquid in the action section. Generating means.

As an energy generating means for generating such energy, a recording method using an electromechanical transducer such as a piezo element or the like, an electromagnetic wave such as a laser is irradiated to generate heat, and a droplet is discharged by the action of the heat. There are a recording method using an energy generating means, and a recording method using an energy generating means for discharging a liquid by heating a liquid by an electrothermal converter such as a heating element having a heating resistor.

Among them, a recording head used in an ink jet recording method for discharging a liquid by thermal energy has a high density of liquid discharge ports (orifices) for discharging a recording droplet to form a discharge droplet. Since they can be arranged, high-resolution recording can be performed.

In particular, an ink jet type recording head which discharges ink by using thermal energy is an electrothermal transducer, an electrode, a liquid path wall formed on a substrate through a semiconductor manufacturing process such as etching, vapor deposition and sputtering. By forming a top plate or the like, a device having a high-density liquid passage arrangement (arrangement of ink ejection portions) can be easily manufactured, and further downsizing can be achieved.

Further, by utilizing the advantages of the IC technology and the micromachining technology, it is easy to make the recording head longer and planar (two-dimensional). Easy.

Among them, a recording head using an electrothermal transducer as an energy generating means is easy to make compact, and has recently achieved remarkable progress in technology in the field of semiconductors and remarkable improvement in reliability. The advantages can be fully utilized, high-density mounting is easy, high-definition images can be recorded at high speed, recording can be performed on plain paper without special processing, and running costs are low. The method is inexpensive and non-impact, so that it is advantageous because noise is small, and it is easy to record a color image using multicolor inks, and the manufacturing cost is low.

In the above-described embodiment, the ink jet recording system is used as the recording means. However, a current is applied to the electrothermal converter according to a recording signal, and a film generated in the ink by the thermal energy applied by the electrothermal converter. It is further preferable that the recording is performed by discharging the ink from the discharge port by the growth and shrinkage of the bubble generated in the ink by utilizing the boiling.

Regarding the representative configuration and principle, it is preferable to use the basic principle disclosed in, for example, US Pat. Nos. 4,723,129 and 4,740,796.

In the above configuration, the sheet P is inserted from the sheet feeding port between the upper and lower guide members 30 and 31 until the leading end thereof comes into contact with the nip portion between the transport roller 21 and the pinch roller 23. Thereafter, a sheet conveyance motor (not shown) is driven, and the conveyance roller 21 is rotated, so that the sheet P is conveyed to a recording position facing the recording head 8 of the recording head cartridge 15 mounted on the carriage 7.

The carriage 7 moves along the guide shaft 9 and the guide rail 10 to execute one line of printing. After the printing of one line is completed, the sheet P is conveyed by a predetermined amount to the next printing position, and the carriage 7 is again moved to the guide shaft 9.
Then, while moving along the guide rail 10, the next line is recorded.

By repeating the above operation, the sheet P
Is recorded for one sheet.

Next, the configuration of the control system will be described with reference to FIG. The block diagram shown in FIG. 4 shows only the connection relation of each block, and detailed control lines are omitted. A CPU (Central Processing Unit) 33 serving as a control unit is provided with a CPU 34 therein.
A program and various data are read from an OM (read only memory) 35, FDD 3, etc., necessary calculations and processes are performed, and various controls are performed.

The ROM 35 stores various data necessary for recording, such as various programs for operating the CPU 34, character codes, dot patterns (character generators; CG), and the like.

Numeral 36 denotes a RAM (random access memory) which stores various data input from the keyboard 34, the keyboard 1, the interface unit 37 or the FDD 3, etc. Buffer area, text area for storing documents, etc.

The CPU unit 33 is connected to a printer unit 41 of the recording unit 4 via a recording head driver 38, a motor driver 39, and a detection unit 40. The print head driver 38 drives the print head cartridge 15 under the control of the CPU 34, and the motor driver 39 drives the carriage drive motor 11, a sheet transport motor (not shown), and the like under the control of the CPU 34.

The detecting unit 40 is a printer unit 41 of the recording unit 4.
The CPU 34 transmits detection information from a carriage sensor (not shown) for detecting the position of the carriage 7 provided in the printer or a sheet sensor for detecting the presence or absence of the sheet P to the CPU 34.

The power supply 42 is a driving power supply V _H for the recording head 8,
A power supply V _M for driving the carriage driving motor 11 and a sheet transport motor (not shown), a power supply V _FDD for driving the _{FDD 3} , and a power supply V _CC for other logic circuits are controlled.

[0061] Also, the controller 43 or perform transfer of the record data to the recording head 8 by the control of the CPU 34, performs various controls such as changing the voltage power of the drive power supply V _H.

The keyboard 1 for inputting various data necessary for recording, editing and the like is connected to the CPU unit 33 via a keyboard connector (KBC) 44. Also, CP
The U unit 33 is connected via a LCD connector (LCDC) 45 to a display unit 2 composed of an LCD (liquid crystal device) for displaying data and various information input by the keyboard 1. The display unit 2 may use display means of another configuration such as a CRT (CRT) instead of an LCD (liquid crystal device).

Further, the FDD 3 is connected to the CPU unit 33 via a floppy disk driver connector (FDDC) 46.
Is connected. Incidentally, a hard disk or an external RAM may be connected instead of the floppy disk.

The CPU unit 33 controls the printer unit 41 by an external control device via an interface connector (IFC) 47 and communicates with an external device via an RS.
It is also possible to connect interfaces such as 232C48, Centronics 49, and communication modem 50.

In the above-described embodiment, a bubble jet system using an electrothermal conversion element is used to eject ink. However, the present invention is not limited to this, and converts electricity into force. The present invention can be applied to a piezo-jet system for discharging ink or a recording system in which a recording head is provided in a non-contact manner with a sheet P and ink is ejected for recording.

Although an example in which an ink jet recording means is used as the above-described recording means has been described, the present invention does not need to limit the recording means to the ink jet recording means. Can be applied to an impact recording method such as a wire dot recording method or other recording methods.

Further, as a form of the above-mentioned recording apparatus,
In addition to those used as image output terminal devices of information processing equipment such as computers, a copying machine combined with a reader or the like, or a facsimile machine having a transmission / reception function may be used.

[0068]

Since the recording apparatus according to the present invention has the above-described configuration and operation, the flexible cable connected to the recording means is arranged so as to be routed above the carriage. When the bent portion approaches the carriage, the direction of the force applied to the carriage due to the reaction force accompanying the bending of the flexible cable acts in a direction that matches the direction of its own weight, and the carriage can be maintained in a stable posture. .

As a result, it is possible to provide a low-cost, compact and high-quality recording apparatus.

[Brief description of the drawings]

FIG. 1 is a perspective view showing the appearance of a recording apparatus according to the present invention.

FIG. 2 is an explanatory perspective view showing the internal configuration of a recording apparatus according to the present invention.

FIG. 3 is an explanatory cross-sectional view illustrating a configuration around a carriage of the printing apparatus according to the present invention.

FIG. 4 is a block diagram illustrating a configuration of a control system of the printing apparatus according to the present invention.

FIG. 5 is an explanatory perspective view showing a direction of a force acting on a carriage due to a reaction force accompanying the bending of the flexible cable.

FIG. 6 is a diagram illustrating a conventional example.

FIG. 7 is a diagram illustrating a conventional example.

FIG. 8 is a diagram illustrating a conventional example.

FIG. 9 is a diagram illustrating a conventional example.

FIG. 10 is a diagram illustrating a conventional example.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Keyboard, 2 ... Display part, 3 ... Floppy disk driver, 4 ... Recording part, 5 ... Upper case, 6 ... Lower case,
7 carriage, 7a, 7b bearing, 7c, 7d receiving portion, 7e, 7f slope, 7g tangential line, 8 recording head,
9: Guide shaft, 10: Guide rail, 11: Carriage drive motor, 12: Drive pulley, 13: Free pulley, 14: Carriage drive belt, 15: Recording head cartridge, 16: Flexible substrate, 16a: Fixed part, 16b ... Bent part, 17… Receiving part, 18… Triangle, 19,20… Flat surface, 21… Convey roller, 22
... Driving force transmission mechanism, 23 ... Pinch roller, 24 ... Pinch roller holder, 25 ... Discharge roller, 26 ... Driving force transmission gear train, 27
... Spur, 28 ... Platen, 29 ... Pump, 30, 31 ... Up and down guide member, 32 ... Cap, 33 ... CPU unit, 34 ... CP
U, 35: ROM, 36: RAM, 37: Interface unit, 38: Recording head driver, 39: Motor driver, 40
... Detection unit, 41 ... Printer unit, 42 ... Power supply, 43 ... Controller, 44 ... Keyboard connector, 45 ... LCD connector, 46 ... Floppy disk driver connector, 47 ... Interface connector, 48 ... RS232C, 49 ... Centronics, 50 ... Communication Modem, G: Center of gravity, P: Sheet,
Q: emphasis

Claims (8)

[Claims] 1. A recording apparatus for recording an image on a recording medium by moving a carriage on which a recording unit is mounted along a guide member, wherein the electric signal is connected to the recording unit and drives the recording unit. And / or a flexible cable for transmitting electric power is routed above the carriage. 2. The carriage is movably supported at at least three points with respect to the guide member. When the bent portion of the flexible cable approaches the carriage as the carriage moves, the carriage is moved. The power point of the force received from the flexible cable is configured to be located in an inner region of a triangle formed by connecting three points at which the carriage is movably supported with respect to the guide member. Item 2. The recording device according to Item 1. 3. The first and second guide members are parallel to each other.
A second guide member, wherein the carriage is movably supported at two points with respect to the first guide member, and is movably supported at one point with respect to the second guide member. The recording apparatus according to claim 1 or 2, wherein 4. The apparatus according to claim 3, wherein the flexible cable is provided at a position closer to the first guide member than a position of a center of gravity of the carriage when the recording unit is mounted. Recording device. 5. At least two planes parallel to the guide member and intersecting each other at an angle of less than 180 degrees are formed vertically above a receiving portion of the carriage that receives the first guide member. The recording apparatus according to claim 3, wherein the guide member is received so as to sandwich the guide member by the flat surface. 6. The recording apparatus according to claim 1, wherein the recording unit is an inkjet recording unit that performs recording by discharging ink. 7. The recording apparatus according to claim 6, wherein the recording unit is an inkjet recording unit including an electrothermal converter that generates thermal energy used for discharging ink. . 8. The recording apparatus according to claim 7, wherein the recording unit discharges the ink from a discharge port using film boiling generated in the ink by thermal energy generated by the electrothermal transducer. .