JPH01145961A - Recording device - Google Patents

Abstract

PURPOSE:To enable execution of recording on other sheet than a sheet in roll by a method wherein, in a facsimile device, a first conveying means for charging first recording sheets in a recording device and a second conveying means to receive second sheets from the outside for conveyance are provided. CONSTITUTION:A recording sheet 4 in roll is fed onto a platen roller 8a through a feed roller 11, a sensor 13, and a preliminary conveyance roller 6. The recording sheet is recorded by means of a recording head 8b and is delivered by a discharge roller 10. When the sheet is delivered by a given length, it is cut by a cutter 9, and the tip thereof is rewound to a recording position through reversing of the rollers 8a, 6, and 11. When insertion of a second recording sheet 5 is detected by a sensor 16a, the recording sheet 4 is rewound to a sensor 13 position between the rollers 11 and 6 through reversing of the rollers 11, 6, and 8a, and through rotation of a feed roller 14, the sheet is caused to wait in an edge sensor 7 position. This constitution enables execution of recording on other sheet than the recording sheet in rolls.

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a recording device used in facsimile machines, printer devices, and the like.

[Prior Art] FIG. 16 shows a conventional example of a so-called double roll type recording apparatus that accommodates two sheet rolls.

In this conventional example, two types of roll-shaped recording sheets can be used, for example, B4 and A4.

[Problems to be Solved by the Invention] However, in the above-mentioned conventional apparatus, when two predetermined types of recording sheets are loaded, it is not possible to record on a recording sheet other than the loaded recording sheet. In order to record on a new recording sheet, it is necessary to remove the already installed recording sheet and load a new recording sheet, which poses a problem in that the replacement work is complicated.

Further, the conventional apparatus described above has a problem in that it cannot record on recording sheets other than roll-shaped recording sheets. In other words, there is a problem in that the recording method cannot be selected according to the user's purpose.

[Means for Solving the Problems] The present invention provides a first conveying means for conveying a first recording sheet loaded inside a recording apparatus, and a second conveying means for conveying a first recording sheet loaded inside the recording apparatus, and a second conveying means for conveying a first recording sheet loaded inside the recording apparatus.
The recording sheet is provided with a second transport means for receiving and transporting the recording sheet.

[Function] The present invention provides a first conveying means for conveying a first recording sheet loaded inside a recording apparatus, and a second conveying means for conveying a first recording sheet loaded inside the recording apparatus, and a second conveying means for conveying a first recording sheet loaded inside the recording apparatus.
Since the second conveying means for receiving and conveying the recording sheet is provided, it is easy to record on an unloaded recording sheet, and it is possible to record on a recording sheet other than a roll-shaped recording sheet.

[Embodiment] FIG. 1 is a perspective view showing an embodiment of the present invention applied to a facsimile machine that employs a thermal transfer recording method. Second
The figure is a sectional view of the above embodiment, FIG. 3 is a perspective view of the above embodiment with the first and second covers opened, and FIG. 4 is a sectional view of FIG. 3. . Also,
FIG. 5 is a sectional view of the above embodiment with only the first cover opened, and FIG. 6 is an illustration of the case where the second recording sheet is manually inserted from the outside in the above embodiment. It is a diagram.

In the figure, a first cover A and a second cover B are pivotally attached to the device main body C by shafts 1a and 1b, respectively, and the shafts 1a and
Covers A and B are configured to be openable and closable around 1b. Further, springs 2a and 2b are provided on the shafts 1a and lb, which are the centers of rotation, respectively, and hooks 3a and 3b are provided near the open ends of the covers A and B, respectively, to engage with the main body C. , 3b are released by the cover lock release buttons 28a and 28b, respectively, the spring 2
The covers A and B are configured to be opened by the biasing forces a and 2b, respectively.

In addition, when recording, one of the first recording sheet 4 stored inside the device and the second recording sheet 5 entering from outside the device is selected based on a selection signal from the control section. The recording sheet is conveyed to the recording section 8 by a pair of preliminary conveyance rollers 6, a predetermined image is recorded in the recording section 8, and the trailing edge of the recorded image on the recording sheet is cut by a cutter 9 installed in the main body C of the apparatus. It is configured to be discharged out of the apparatus by a pair of discharge rollers IO provided on the main body C.

Note that the recording unit 8 has a platen roller 8a that conveys the recording sheet 4.5 at a constant speed, and is in pressure contact with the platen roller 8a.
It has a line-type recording head 8b that generates heat according to image information, and the feed roller pairs 11.14 each convey the recording sheet 4.5 to the recording section 8 via the preliminary conveyance roller pair 6. be.

Between the feed roller pair 11 and the preliminary conveyance roller pair 6,
A sheet guide 12, a sheet presence detection sensor 13a, and a sheet width detection sensor 13b are provided, and a sheet guide 15 and a sheet width detection sensor 13b are provided between the feed roller pair 14 and the preliminary conveyance roller pair 6 to detect the leading edge position of the recording sheet 5. An edge sensor 7 is provided, and a sheet presence/absence detection sensor 16a and a sheet width detection sensor 16b are provided near the feed roller pair 14 and on the side where the second recording sheet 5 enters.

Next, the configurations of covers A and B will be explained.

A known ink sheet set member 17b is attached to the first cover A.
The ink sheet roll 17a is rotatably attached to the ink sheet roll 17a, and the ink sheet 17 is guided by an ink sheet guide roller 21 and is configured to move over the heat generating portion of the recording head 8b. Then, when the cup <-A is closed, the recording head 8b is pressed against the platen roller 8 by a pressing spring 8C attached to the back surface of the recording head 8b.
It is configured to press a.

The cover A also has a document reading and conveying system. In the document reading and conveying system, the document is placed on the document table 18a, and the document side guides 18b guide both sides.
The document is separated one by one by a separation roller 18c, transported at a constant speed by a transport roller 18d, and discharged by a discharge roller 18e. It is configured to read an image of the camera and send the image signal to a predetermined recording system.

The second cover B includes a pair of feed rollers 14 , a sheet guide 15 , a pair of feed rollers 11 , and the other roller in the pair of preliminary conveyance rollers 6 .

When attaching or detaching the ink sheet roll 17a, as shown in FIG. 5, with only the cover A open, the ink sheet roll 17a is moved in the direction of the arrow in the figure.

By doing so, the ink sheet roll 17a can be attached and detached while the recording sheet 4 remains set.

Next, the process of converting the second recording sheet that enters from outside the apparatus into a cassette will be described.

FIG. 7 is a diagram showing an example of a cassette in the case where a roll sheet wound into a roll is assumed to be the second recording sheet. FIG. 8 is a perspective view showing a state in which the roll force set D is mounted on the apparatus main body C, and FIG. 9 is a sectional view in FIG. 8.

The recording sheet roll 5a has a recording sheet protective tape 25i.
The recording sheet 5 is stored in the holder portion 25a to which is pasted, and is led to the second recording sheet entrance of the apparatus main body C through between the guides 25e and 25c and between the guides 25e and 25d. Further, both the cassette cover 25b and the guide 25c can be opened and closed, making it easy to replace and set the recording sheet 5.

Cassette) Hook part 25g of D is inserted into the slit 30 of cover B.
(Fig. 1), then slide it slightly,
By fixing with the stopper 25h, the main body C
Place the cassette D on the cover B of the cassette. As shown in FIG. 8, the cassette (D) is placed within the installation range of the main body C of the apparatus, and is also installed in a so-called dead space behind the document table 18a, increasing the installation area of the apparatus. The recording sheet roll 5a, which is the second recording sheet, can be effectively added to the apparatus without having to do so.

The projection 25f of the cassette D is configured to pass through the slit 29 (FIG. 1) of the cover B and operate the cassette detection switch 22 when the cassette D is mounted on the apparatus. If the cassette cover 25b of the cassette D is made transparent, the state of the recording sheet roll 5a stored therein can be visually checked, and the remaining amount can be easily known.

FIG. 10 is a block diagram showing a control section that drives the above embodiment.

This embodiment includes a CPU 50 that controls the entire device, an NCU 31 that controls the network, a modem 52 that modulates and demodulates, a data control section 53, and a modem control section 5 that controls the modem 52.
4, a ROM 55 that stores the programs shown in FIGS. 11 to 13, and a RAM 56 used for work.

The CPU 50 is an example of a control unit that switches the transport mode depending on the type of the second recording sheet that enters from outside the apparatus.

In addition, the operation control section 61, l7062, and drive control section 6
3, a driver 64, a recording control section 65, cover switches 40a and 40b, and a recording head 8b.

The operation control section 61 displays the display section 26 and receives various instructions from the operation keys 27. The display unit 26 displays various information such as operating procedures, error displays, and transmission/reception displays. l1062 is a recording sheet presence/absence detection sensor (for example, a reflective sensor) 13a, 1
6a, recording sheet width detection sensors 13b, 16b, cover switches 40a, 40b, sheet edge sensor 7, cassette detection sensor 22) ink sheet presence detection sensor 19
It receives signals from. cover switch 40a,
40b are switches that detect opening and closing of covers A and H, respectively.

The driver 64 includes a recording motor 8d and a feed motor ll.
a, 14a, a cutter motor 9a, a paper ejection motor 10a, an ink sheet motor 17c, and a preliminary conveyance motor 6a. Each motor is connected to a platen roller 8a, a pair of feed rollers 11. 12) It transmits driving force to the cutter 9, the paper ejection roller pair 1o, the ink sheet roll 17a, and the preliminary conveyance roller pair 6.

Next, the operation of the above embodiment will be explained.

FIG. 11 is a flowchart showing the operation of setting the recording sheet 4 in the above embodiment.

First, when setting the recording sheet 4, operate the cover lock release buttons 28a and 28b to release the lock of the hooks 3a and 3b, and then open the covers A and B as shown in FIG. ), the recording sheet roll 4a is stored in the recording sheet holder section of the main body C, and the leading edge of the sheet is passed along the sheet guide 12, over the platen roller 8a, and between the cutter 9 and the pair of paper ejection rollers 10. Pull it out and set the sheet 4 (S2).

Then, when the covers A and B are closed and the cover switches 40a and 40b detect that both force bars are securely closed (S3, S4), the sheet leading edge position is automatically initialized.

When performing this initialization, first the feed roller pair 11,
The preliminary conveyance roller pair 6, the platen roller 8a, and the paper ejection roller pair 10 are simultaneously rotated in the arrow direction shown in FIG. Cut the recording sheet 4 with the cutter 9 (S6).
, the cut recording sheet 4 is discharged out of the apparatus by the paper discharge roller pair 10, and the platen roller 8a, the preliminary conveyance roller pair 6, and the feed roller pair 11 are rotated in the opposite direction to the above, and the leading edge of the recording sheet 4 is Rewind to the recording position (S7) and set to standby state.

Next, the operation when the second recording sheet enters from outside the apparatus will be described.

FIG. 12 is a flowchart showing the operation when the second recording sheet 5 enters from outside the apparatus in the above embodiment.

First, the second recording sheet 5 is inserted from outside the device (S
10) When the recording sheet presence detection sensor 16a detects the intrusion of the recording sheet 5 (S11), the feed roller pair 11, the preliminary conveyance roller pair 6, and the platen roller 8a are rotated in the opposite direction (in the direction of the arrow in FIG. 2). ), and the recording sheet 4 is rewound to a standby position near the intermediate position between the pair of feed rollers 11 and the pair of preliminary conveying rollers 6 (S12). Then, the pair of feed rollers 14 is rotated to transport the recording sheet 5 (S13) until the leading edge of the sheet touches the edge sensor 7 (S14). Next, the type of recording sheet 5 is determined. In other words, if the cassette detection switch 22 does not detect the roll sheet cassette D, the recording sheet 5
is determined to be a cut sheet.

If the recording sheet 5 is a cut sheet (S15), the sheet transport is stopped L(
If the recording sheet 5 is a roll sheet (S15), feed roller pair 1
In addition to 4, the preliminary conveyance roller pair 6, the platen roller 8a, and the paper ejection roller pair 10 are rotated to convey the recording sheet 5 until the leading edge of the sheet reaches outside the apparatus (outside the paper ejection roller pair 10) (316). ).

Then, the cutter 9 cuts the recording sheet 5)L(S).
17), the recording sheet 5 after being cut is discharged out of the apparatus by a pair of paper discharge rollers 10, and the platen roller 8a
, the preliminary conveyance roller pair 6 and the feed roller pair 14 are reversely rotated, and the leading edge of the recording sheet 5 is rewound to a predetermined standby position between the feed roller pair 14 and the preliminary conveyance roller 6 (518), and the recording sheet is placed in a standby state. .

Here, the ink sheet roll 17a performs normal rotation and reverse rotation in synchronization with the movement of the platen roller 8a, and the ink sheet roll 17a performs exactly the same operation as the recording sheet at the recording position.
Therefore, in the following explanation of the operation, we will focus on the recording sheet and will partially omit the explanation of the operation of the ink sheet 17.

Next, the recording operation in the above embodiment will be explained.

FIGS. 13(1), (2), (3), and (4) are flowcharts showing the recording operation in the above embodiment.

First, when there is a recording request (321), the existence of the second recording sheet 5 is checked (522), and if the recording sheet 5 is a roll sheet (S23), the existence of the recording sheet 4 is confirmed (S24). .

Then, the image information received from the transmitting side is demodulated into a digital signal by the modem 52 via the NCU 31 and sent to the data control section 53. The CPU 50 selects the recording sheet 4 or 5 according to the image information. The following description will be made assuming that the width of the recording sheet 4 is set to A4 and the width of the recording sheet 5 is set to B4.

For example, if A4 size image information is received (S25
), execute recording mode 1 (326). Recording mode l
The detailed operation is shown in FIG. 13 (3).

That is, the CPU 50 drives the feed motor lla and the preliminary conveyance motor 6a, and the feed roller pair 11 and the preliminary conveyance roller 6 rotate normally (rotate in the direction indicated by the arrow in FIG. 9), and the recording sheet 4 is transferred to the recording section. 541), and at the same time, the recording motor 8d and the ink sheet motor 17c
The platen roller 8a and the ink sheet roll 17a rotate in the direction shown by the arrow in FIG. Then, the feed motor lla and the preliminary conveyance motor 6a are turned off, and the recording sheet 4 is conveyed at a constant speed by the platen roller 8a, and the ink on the ink sheet 17 is melted by the recording rad 8b, which generates heat according to the image information. Then, the received image information is transferred and recorded on the recording sheet 4 (S42).
. In this case, the feed roller pair 11 and the preliminary conveyance roller pair 6 rotate as the recording sheet 4 is conveyed.

Note that the feed roller pair 11, the preliminary conveyance roller pair 6, and the platen roller 8a are rotated by the CPU 50 controlling the feed motor lla, the preliminary conveyance motor 6a, and the recording motor 8d via the drive control unit 63 and the driver 64. controlled.

The data control unit 53 also controls the RAM 5 via the data bus.
6, the CPU 50 decodes the data in the RAM 56, and stores this decoded data in the RAM 56 again. When data for one line is stored in the RAM 56 in this manner, the data is sent to the recording head 8a via the recording control section 65, and recording for one line is performed. 1
When recording for one line is completed, the CPU 50 drives the recording motor 8d, the platen roller 1 rotates, and the recording sheet 4 is conveyed for one line.

By repeating the above operations, recording for one page is completed (S43).

When the recording of the received image information is completed, the platen roller 8
a transports the recording sheet 4, sends the trailing edge of the image to the cutter 9 (S44), the cutter motor 9a is driven, the cutter 9 cuts the recording sheet 4 (545), and removes the recorded recording sheet from the apparatus. At the same time, the platen roller 8a
, the feed roller pair 11 and the preliminary conveyance roller pair 6 are the ninth
Rotate in the opposite direction to the arrow in the figure and insert the leading edge of the recording sheet 4 into the 9th
The program rewinds to the standby position shown in the figure (546), finishes recording the received image of A4 size 1 file, and returns. The above is recording mode 1.

Note that during recording, it is not possible to determine whether the leading edge of the recording sheet 4 has been conveyed to the recording section, whether the trailing edge of the image has been conveyed to the cutter position, and whether the leading edge of the recording sheet 4 has been rewound to the standby position. , the number of rotation steps of the feed motor 11 that rotates the feed roller pair 11, the number of rotation steps of the recording motor 8d that rotates the platen roller 8a, and the preliminary conveyance motor 6a that rotates the preliminary conveyance roller pair 6.
This is determined by counting the number of rotational steps.

Further, if the received image is B4 size, the operation of recording mode 2 (S31) shown in FIG. 13 (4) is executed. In other words, the feed roller pair 14 and the preliminary conveyance roller pair 6
Then, the recording section and cutter 9 operate in the same manner as described above, convey the recording sheet 5 to the recording position, and start recording.S51.552)
, When one page of recording is completed (S53), the trailing edge of the image is cut (S54).555), and returned to the standby position (356).
Return.

After the recording of A4 and B4 is completed as described above, if the next page remains (S27), the presence/absence and type of sheet 5 and the presence/absence of sheet 4 are checked again in steps S22-524.
), detects the received recording width (525), selects an appropriate recording sheet and performs recording (S26 or 531), repeats the above operation until the last page, and enters a standby state when the next page runs out.

Here, if only recording sheet 4 can be used (S22.
328), or if only the recording sheet 5 is usable and is a roll sheet (S22-524), the procedure for recording sheet 4 (S26.341-524) is similar to the above.
546), and performs recording on recording sheet 5 (
S31.551-556).

Also, when a cut sheet is used as the recording sheet 5 (
S22.523), execute recording mode 3530),
Recording is performed on the recording sheet 5 regardless of the presence or absence of the recording sheet 4. That is, in the same manner as above, the recording sheet 5 is sent to the recording position (S61), one page is recorded (S63),
By continuing to rotate the platen roller 8a and the paper discharge roller pair 10, the recording sheet 5 is discharged from the apparatus (564), and the recording operation is completed.

Also, if there is no recording sheet (S22.
528), a message prompting the inspection of the recording sheet is displayed on the display section 26 (S29).

In the above embodiment, a thermal transfer recording method using an ink sheet was explained, but the ink sheet roll 17a was removed, a heat-sensitive sheet was used as the recording sheet, and the recording head 8
By controlling the energy applied to b, the second recording sheet can be used as is.

Further, in the above embodiment, a cassette using a roll sheet was described as the second recording sheet that enters from outside the apparatus, but as shown in FIG. can. In this case, by adding the separation roller 23, it is possible to separate and convey the cut sheets one by one after setting a plurality of cut sheets.

Furthermore, other methods may be used to control the conveyance of each recording sheet. For example, the first recording sheet is used preferentially, the second recording sheet is used only when the first recording sheet is used up, and the second recording sheet is used as a backup. In addition, a roll sheet is used as the first recording sheet and a cut sheet is used as the second recording sheet. Records are recorded on the roll sheet when the device is used to record facsimile reception, and recorded on the cut sheet when copying. You may also do this.

In the above embodiment, when initializing the recording sheet leading edge position after setting the recording sheet, cover A, B
The system is designed to automatically initialize to recording sheet 4 after closing the device, and to automatically initialize to recording sheet 5 after the leading edge of the sheet enters the device, but all recording sheets are set in the specified positions. Later, the leading edge position of each recording sheet may be initialized by a button operation by the user. In this case, one of the operation keys 27 may be used as the button operated by the user.

Further, in the above embodiment, the platen roller 8a, the feed roller pair 11, 14. Cutter 9, paper ejection roller pair 1
0, the ink sheet roll 17a and the pair of preliminary conveying rollers 6 are each driven by an independent motor. For example, the platen roller 8a and the pair of preliminary conveying rollers 6
, three ink sheet rolls 17a may be driven by one motor, or a plurality of rollers may be driven by one motor. In this way, the device can be made more compact, and the drive control of each motor can be performed more rationally.

Further, in the above embodiment, opening of the cover B is prevented by the cover A, but as shown in FIG. 15, most of the conveyance path of the recording sheet may be left in the main body C. . In this way, cover A and cover B can be opened and closed completely independently of each other, and each of the ink sheet roll 17a and the recording sheet 4a can be replaced independently.

[Effects of the Invention] According to the present invention, it is easy to record on an unloaded recording sheet, and it is possible to record on a recording sheet other than a roll-shaped recording sheet.

[Brief explanation of the drawing]

FIG. 1 is a perspective view showing an embodiment of the present invention. FIG. 2 is a sectional view of FIG. 1. FIG. 3 is a perspective view of the above embodiment with the first and second covers opened. FIG. 4 is a sectional view of FIG. 3. FIG. 5 is a sectional view of the above embodiment with only the first cover open. FIG. 6 is an explanatory diagram of the case where the second recording sheet is manually inserted from the outside in the above embodiment. FIG. 7 is a diagram showing an example of a cassette in the case where a roll sheet wound into a roll is assumed to be used as the second recording sheet in the above embodiment. FIG. 8 is a perspective view showing a state in which the 20th lever set D is mounted on the main body of the apparatus in the above embodiment. FIG. 9 is a sectional view of FIG. 8. FIG. 10 is a block diagram of a control section that drives the above embodiment. Figure 11, Figure 12, Figure 13 (1), (2), (3)
, (4) is a flowchart showing the steps from setting a recording sheet to recording operation in the above embodiment. FIGS. 14 and 15 are explanatory diagrams of other embodiments of the present invention. FIG. 16 is an explanatory diagram of a conventional example. A, B...Cover, C...Body, D...Cassette. 4.5...Recording sheet, 7...Recording sheet edge sensor, 8...Recording section, 13a, 16a...Recording sheet presence/absence detection sensor, 13
b, 16b...recording sheet width detection sensor, 17...
Ink sheet, 18... Original transport unit. Patent applicant Canon Co., Ltd. Agent Arata Yokubo - Figure 11 Figure 13 (2) Figure 12 Figure 13 (1) Figure 13 (3) Figure 13 (4)

Claims (2)

[Claims] (1) In a recording device that conveys a recording sheet to a recording section and records an image according to image information, the recording device includes: a first conveying means that conveys a first recording sheet loaded inside the recording device; A recording apparatus comprising: a second conveying means for receiving and conveying a second recording sheet from outside the recording apparatus; (2) In claim 1, there is provided a detection means for detecting intrusion of the second recording sheet, a determining means for determining the type of the second recording sheet, and a type of the second recording sheet. What is claimed is: 1. A recording device comprising: switching means for switching a conveyance mode according to the mode.