JPS58107777A - Recorder - Google Patents

Abstract

PURPOSE:To discharge recording paper while the side and direction are arranged, by recording the recording paper while carrying in inverted direction at forward and reverse reading of an original, and discharging the paper to different paper discharge trays. CONSTITUTION:In instructing the reading of a sheet original and the both side recording, reading units 20, 22 are started for reading and a carrying path of a recording paper 52 is formed from a cassette 51 to a paper discharge tray 83. The recording paper 52 is carried in synchronizing with the carrying of the original OS, and the front side of the recording paper is recorded at a position E. When the tip of the recording paper 52 reaches a recording position F, the recording is done for the back side of the recording paper with a recording head 85, and the recording paper 52 is discharged to the tray 83. In the reverse reading of the reading means, the recording paper is carried from a cassette 50, the both side recording is done at the recording heads 85, 84 and the recording paper is discharged to a paper discharge tray 82.

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a recording apparatus that records a plurality of sheets by forward reading and backward reading.

Conventionally, a double-sided recording device has been proposed that can record an arbitrary number of double-sided pages without special memory by alternately performing forward reading, in which the document is read in one forward movement, and double-motion scanning, in which the original is read in five backward movements. has been done. However, in such conventional devices, only one paper output tray is provided to store the recording paper on which double-sided recording has been performed, and the recording paper discharged onto the paper output tray has only one side and direction. There was an inconvenience that the deposits were deposited in different states each time.

SUMMARY OF THE INVENTION An object of the present invention is to provide a recording device which eliminates the drawbacks of the conventional technique and allows recording sheets to be obtained in a state in which the direction and surface are aligned during forward reading and forward reading.

Hereinafter, the present invention will be described in detail with reference to the drawings.

FIG. 1 shows the internal structure of a double-sided recording device showing an embodiment of the present invention, and first, the reading means shown at the top of the - side will be explained. In the figure, l is a document mounting table in sheet state @OS, which is a single document such as design, etc., and 2.3.蓼, j66 and 7
It is a feeding roller whose number can be reversed, and the sheet state is #l4O.
Feed S. 1 is a lower surface continuous 1 latin provided on the sheet-like original feeding locus, and the lower surface of the original 08 is read at position [A of this platen r]. The second platen is a top surface reading platen provided on the document feeding locus, and reads the top surface of the original @OS at position tMB of this platenter. 10゜l
/ is an original feed guide, which functions to bring the original O8 into a well-focused image. /2. /3 and /# are photocoupler light emitting elements, tS, which face the position of the original.

/6 and /2 are light receiving elements with a photopower of 12, /I is a document tray, and the sheet state after reading @ (
Stores 18.

〃 and n are document reading units, and as in λ1, there is a document reading unit below the top surface reading 1 Latin l.
An IQw4 succession unit n is disposed above the top-side reading platenter. Units 〃 and n function as an original bottom side reading unit and an original top side reading unit, respectively. In the reading units a and u, n and B are document illumination lamps, tsu and d are folding mirrors, 29 and 31 are imaging lenses, and 32 and 3 are one-dimensional light receiving units arranged perpendicularly to the plane of the paper in this example. It is a one-dimensional image sensor consisting of elements, and in this example, a COD line image sensor is used. Such image sensor J2. The image light incident on H is converted into an electrical signal, the electrical signal is electrically processed by a processing circuit (not shown), and is recorded on recording paper by the recording means described above.

Next, the reading operation will be explained. When sheet-shaped originals O8 are inserted into the feeding rollers J at the same time, the insertion of the originals 08 is detected by a photocoupler consisting of a light emitting element 12 and a light receiving element/S, and the feeding rollers J are inserted.

蓼, j, 4 and 70 revolutions begin. The original O8 is fed in the direction of arrow C while being held by the feeding rows 22.3, and enters between the lower surface reading platen r and the original feeding kite lθ. At this time, the leading edge of the original *OS is detected by the photo force 1 made up of the light emitting element /J and the light receiving element 16, and the detection output is used as a synchronization signal during recording, which will be described later. First, the original is read at the bottom reading position of the bottom reading platen t provided on the original feeding trajectory. 8 degrees below. Read-171. 75: At step 75, the document O8 is advanced between the platenter and the guide l/ by the feeding rollers J, and the top surface of the document O8 is read by the reading unit n at the upper th position 111B of the top surface reading platende. Feed the manuscript OB to the clerk,
Top surface.

After completing the downward double-sided reading, the light emitting element L,
The rear end of i-08 is detected by photocuff 2 consisting of light-receiving element/7. By doing so, the reading scan speed for the original OS is 7 (b).
If you only want to do this, place the original O8 in the original tray/l.
? :Discharge.

However, when multiple reading scans are requested for the document O8, the output of the photocuff 2141.17 causes the feeding rollers λ, 3. Hiroshi, j, 4. Reverse 7 and move Hara@9S in the opposite direction of the feeding path. Here, the command position d
At B and A, the image on the original HOS is read from the top side and then the first side using reading units n and x, and the backward reading of 0 or more is completed at T.
L, photocoupler 13. /6 When the trailing edge of the document is detected in the moving direction, the feeding roller 2.3.蓼、j、
6.7 starts normal rotation. Based on the above, the feeding rollerco, 34. μ.

j,! , 7 or the same number of reading scans, the forward and reverse rotations are repeated, and the original O8 is finally discharged onto the original tray/1. The original @OS is always ejected onto the original tray/I depending on whether the number of readings is an even number or an odd number. In addition, photo power 1 u 1
3. The distance between /6 and reading position 111A and the distance between /7 and reading position B are determined by register stroke 17. The dimensions are set to be the same as the distances between It and the recording position E and the registration rollers ss and st and the recording position tjlILF.

Reading unit J7. If we clarify 1i52 about J',
The lower surface reading unit x reads the document image at the reading position A mentioned above using the lamp 2? The reflected light is reflected by a mirror n
COD? An image is formed on the in-image sensor 32. The image sensor 32 obtains time-series image signals according to the incident light energy. The operation of the top surface reading unit is also exactly the same as above.

Next, the recording means for recording using the iconographic signal from the above-mentioned reading means will be explained.

In Figure 187, SO and St are double-sided recording paper j2.
Stores nine recording paper cassettes, J3 and! The string is a recording paper
Feed J. #It's a paper roller. ! ! , 34 and! 7. ! rl is the registration roller, and the rating is 1/1
．． Rotates in synchronization with the detection signal of /6 or /(1, /7 to align the position of image recording., jji, 6o.

6/, 62.63 and 64L are recording paper! Conveyance roller 4j that conveys λ, 44. 47. 61. 6
? , 70°7/, 7ko, 73°74A, and 7j
is a conveyance guide for smooth conveyance of recording paper j2, 76.7
7 and 7? .

79 is a paper ejection roller. 10 and J'/ are respectively the comb roller J6.77 and the row 979. This is a conveyor belt stretched across R-Hiro. Reference numeral 12 denotes a λ-th paper discharge tray that stores the recording paper j2 recorded in the forward direction (arrow shown in the figure).
is is an ink side recording head, and head r4c
forms a Takao image corresponding to the output wJ image No. 1g of the CCD line image sensor 32 on the recording paper octopus, and
forms a reproduced image corresponding to the output m image signal of the CCD line image sensor 311 on the recording paper j2.These recording heads ra and rs are for example recording paper! A direction almost perpendicular to the transport direction of λ, /Il? In J, the paper surface and the vertical blade are lined up in full fins, creating a so-called full multi-head.・It, 17 is a suction fan (@ layer means), rt, ry are porous guide plates, and the suction fan [4° r7 sucks the recording paper j2 to the guide plates it, r ri to prevent the recording paper from octopus. Maintain flatness and maintain the best distance between this recording paper jl and the recording head rμ or rs. 0,
9/ is a conveyance path switching claw (selector finger) for switching the conveyance path to the above-mentioned tray tλ, II, an octopus, P
J and '#, 93 are seven light-emitting elements and light-receiving elements that detect the trailing edge of the recording paper j2 conveyed from the cassettes st and so, and 96 is a housing that houses the above-mentioned reading means and middle recording stage. .

The recording operation of the recording device of the present invention configured as described above will be explained. When the operator performs a key operation on an undisclosed operation section and instructs to read the sheet condition and record the 11111 side, the reading , as soon as JJ enters the reading start state.
Switching claw? 0,9/ move to the negative string position shown in the figure.Thus, the transport from the cassette xi to the feeding port-9JP,
60s registration roller jl, jl, head re,
a-56/, 42. s hair to IS s V sister roller! ! , 16 and the paper ejection rollers 74, 77 in order to form a transport path for the recording paper jl to reach the paper ejection tray rs. The document O8 inserted by the operator is placed in the photocuff 9.
/i/j detects the paper feed roller! Hiroshi, transport row 2j
y and 6θ rotate, and the m1th recording paper 62-/ moves along the guide 7, 73, switching claw, and 9/ to the registration row-y.
j7. ! ◎In the reading means, the photocoupler 13. When /l detects the leading edge of document 08, the registration rollers 57, 611 rotate in synchronization with the detection signal, and the recording paper jJ -/ is moved between guide plate t and guide plate 7/.
, 70. Here, at position ttg, the downward image of the document O8 read at point A of the reading means is captured by the recording head re, which is moved upward in the direction of the image signal output from the image sensor 32 for reading the lower surface of the recording paper jJ. -Reproduce and record on the surface of /.

At this time, since the suction fan t7 is sucking the recording paper j2 through the porous guide plate t9, the flatness of the gold recording paper j2 is maintained at the recording position &E, and the recording head tμ and the recording paper j are While recording in this manner, the recording paper jλ-l is fed between the conveyance rollers 6/62. Next, recording paper jJ −
When the leading edge of / reaches the recording position PK, the reading means moves between the platen l and the guide 100 in the forward direction (rightward direction).
The tip of the raw material 08 being conveyed to is read 22) u
Since it reaches the ID reading position B, when passing the recording position r, the recording paper! λ-1Q) On the back side, there is a recording head t! driven by the image signal output from the top side reading image sensor 3da. Accordingly, the top image of the original GOS passing through the reading position B can be sequentially reproduced and recorded. In this embodiment, original 08
Assuming that the transport speed of the recording paper j2 is constant, the original @reading position A
.

The distance between the image sensors 32 and 8 and the distance between the recording positions n and y are set equal to each other. Double-sided recording can be performed without requiring a memory to temporarily store the image signal output.

In this way, while recording on the back side, the recording 11f
Switching pawl via cza-t lamira sr, zt.

Transport at the same time. As mentioned above, the vJ replacement pawl 0 is located at the solid line position in the figure, so the vJ replacement pawl 90 of the recording paper j2-/por
The guide is deflected to the side and reaches the conveyor belt 10.

This conveyor belt IO conveys the recording paper 32-/ to the rollers 74, 77, and discharges the recording paper to the paper discharge tray r3 via these rows 276, 77. On the other hand, in the reading means, the original O8 that has passed through the reading position B is transferred to the roller 6.7.
and is ejected toward the paper ejection tray/g side. Here, in the case of single sheet recording, the sheet is discharged as is to the paper discharge tray /r. In the case of multiple-sheet recording, the rear edge of the document 08 that is ejected toward the paper ejection tray/1 side has a photopower of 1/#.

/7 is detected, the ejection of original O8 is stopped,
The original wheel O8 is held in a clamped state by the rollers 4.7.The above is the operation when the reading means reads the original in forward motion. Next, the operation when the reading means performs double action reading will be explained.

When multiple-sheet recording is instructed in the operation unit (not shown), the trailing edge of the document O8 is detected by the photoforce 1/4t and /7 during the forward reading operation, as described above. - and paper feed rollers 3.4L, j, and 4.7 stop. In terms of recording means, the photo power is 1 and 9 times.

When 9J detects the trailing edge of the recording paper jλ-7 on which double-sided recording has been completed, the switching claw ? 0,9/ moves to the position shown by the broken line. Due to this movement, the transport roller 43. Al1, resist a 9
! j, j6 s he7do IJ%O-rajz+6λ
A conveyance path for the recording paper is formed to reach the paper ejection tray l through the registration rollers zy, sr, and paper ejection rows 7r and 7 sequentially. Ri l
Along with the movement of the paper feed roller j3 and the transport roller ') 61
．． 60, feed the λth sheet of recording paper j2- from the cassette jO, and press the register J) roller! 1. ! 6. The tip of the recording paper λ is the registration roller!
! , I6, the registration rollers sr, z
t starts rotating and sends out the recording paper j. In the reading means, at the same time as the registration rollers sr and st start rotating, the paper feed roller 2. J, s, j, 4.
7 starts the reversal. From 7 onwards, the recording operation is performed in the reverse order of the forward movement described above. That is, reading position B
Nine images read at (No. 1 recorded at F)
A record is made on the back side of the paper 2, and then the image signal read at the reading position A is used to record the paper 12-J at the recording position WE.
50 recording papers with records recorded on both sides
2-25, the paper is guided to the switching claw 91 and discharged to the paper discharge tray t. In the reading means, the rear end between the feed directions of the original @OS is the photocanora/3. /6, the paper feed rollers 2.3. The reverse rotation of μ, j, 6.7 has stopped, and the original “
4O8's return movement stops. In the recording means, when the photo force 1 to 94L and the rear end of the recording paper j2 to 20 are moved, the switching claws 9/90 return to the solid line position shown in the figure after the tie-bang of Pjr''d. , again) A transport path is formed from j/ to the discharge tray (g).

After that, repeat the operation in the same way as in the double-action operation described above.)
Recording is performed on the third e-recording paper j2-3 from t''L9 when the paper is fed from t/. In this way, by the reciprocating reading operation, F9
When the recording of 'r sheets is completed, the original O8 is discharged to the original tray /j.

Fig. f443 shows an example of the control section of the uninventive double-sided recording apparatus shown in 1-. Here, II/ is a control circuit, which has, for example, a one-ten one-microphone p computer storing a control operation program, and receives key signals from the operation unit 102 and receives light-receiving elements /1. /4. /7. Manuscript from Ta 3.9j,
Each product circuit described below is controlled by the recording paper detection signal. toi is a switching pawl drive path, and the control circuit 101
0 control signal changes the set position of switching claws O and 9/. Reference numerals 1044 and 101 designate a forward rotation flanch drive circuit and a reverse rotation two-input drive circuit, respectively, which control the forward rotation and reverse rotation of the document feed rollers λ to 7. 104 is a registration roller SS.

j6 and 17. A registration roller drive circuit that drives and controls It, 107 is a recording paper feed roller! This is a paper feed roller drive circuit that drives and controls the 3.544.

//7 is the Cronk generator @, //ko, /13 is an analog-to-digital converter (A/D converter) that operates in synchronization with the Cronk generator ///, and %A/D converter//2 converts the output signal of the image sensor 32 of the reading unit
supply to. Similarly, the A/D converter //J converts the output signal of the image sensor 3 of the reading unit n into a binary image signal and supplies the value signal to the buffer circuit /lS◎//A, / /7 are recording heads r4L and rz, respectively.
This is a head drive circuit that drives the head.

In this way, in this embodiment, the recording paper is moved to the recording position i.
During the forward and backward scanning of the document, the document is conveyed in the opposite direction within the conveyance path where fE and F exist, and the document is recorded, and the document is ejected to separate paper ejection trays 13 and 13, respectively. . That is, during forward reading, the scanned images of the lower and upper surfaces of the original are fed from the cassette Jl and sequentially pass through the recording positions 11E and 11F. 2-1. ! 2-3, j2-J,...
is ejected to the paper ejection tray 13, and on the other hand, during backward scanning, the paper is fed from the cassette jrO and sequentially passes through recording positions F and E, and the scanned images of the top and bottom sides of the document are transferred to the back side 1, respectively.
Recording paper jJ-J, jJ-μ, ! recorded on the surface. λ-6
, . . . are discharged to the paper discharge tray lλ. Therefore, each paper output tray rλ.

On ri, the recording paper is inspected with its surface and direction aligned.

As described above, according to the present invention, the recording sheets for forward reading and backward reading are stored in the paper discharge tray with their directions aligned.

[Brief explanation of the drawing]

No. 1- is a schematic configuration diagram showing an example of the recording device of the present invention.
The figure is a perspective view for explaining the arrangement of the reading unit in the reading means, and FIG. 3 is a block diagram showing an example of the control section of the recording apparatus of the first embodiment. l...Document placement table, 1 to 7...Feed roller, ? ...Bottom surface reading 12 ten, Ta...Top vji reading 72 ten, 10, //...-**Feeding guide, /J, /J, /#...Photocube 2 light emitting element, /
J, /4. /7...Photoforce 1 photodetector~/1
...Original tray, x, ...Reading unit, a,
2s...Original illumination lamp, M, /...recording paper power cent, jco...recording paper, 11...
・Paper feed roller! j, ji j7.611...Register stroke, j? ~6 da...conveyance port leek, 6j~
7j...Transportation guide, 7toku? ... Paper ejection roller,
to, rt...Transport belt, tλ...1st paper ejection tray, r3...2nd paper ejection tray, r4A,
rr...Inkjet recording head, rt, ry...
・Suction fan (@ attachment means), rr, rq... Porous guide plate, 90.91... Conveyance path switching claw, octopus, 93.
...Light emitting element, D1. Dij... Light receiving element, ri6
...Casing, 10/...Control circuit, to
Co...Operation unit, to3...Switching pawl drive circuit, 1011...Normal rotation flanch drive circuit, 101...
- Reverse flanch drive circuit 1 106... Registro-2 drive circuit. 107...Paper feed row 2 drive 1 path, ///...Kronk generator, //λ, //3...A/D converter, /lbi, //! ...buffer circuit, //lr, /
/7...Head drive circuit, 08...7-T-shaped IIi
, Ia% A, B...reading position. E, F... Recording position. 3

Claims (1)

[Claims] A recording means for recording images read in the forward reading and the backward reading on a recording paper, and an l1I47 and a second a paper storage unit, first and λ-th paper discharge locations that store recorded first and second recording sheets that have been fed and recorded from the first and second paper storage units, respectively; and The first recording paper is recorded by the recording means and transported in the forward direction, and the second recording paper is recorded by the six recording means and transported in the reverse direction. HassoujS
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