JPH0769600B2 - Image recorder - Google Patents

Description

Description: BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an image recording apparatus, and in particular, image recording for recording an image by cutting a recording material from a length magazine corresponding to a specified size with a cutter. Regarding the device.

[Prior Art] Length corresponding to a specified size A recording material (for example, a photosensitive material and an image receiving material) is pulled out and cut to a length corresponding to a specified size, and an image exposed on the photosensitive material is subjected to heat development transfer. 2. Description of the Related Art Image recording devices that transfer images onto an image receiving material are known.

In this type of image recording apparatus, the unexposed light-sensitive material is wound into a roll and stored in a magazine, and by specifying the recording size, it is sequentially drawn from the outer periphery to a specified size. Cut to the corresponding length with a cutter. The cut photosensitive material is conveyed to the exposure section, and the image of the original is exposed. The exposed photosensitive material is coated with water in the water coating section, and then conveyed to the superposing section to be superposed on the image receiving material. This image receiving material is also wound into a roll and stored in a magazine, and is sequentially drawn from the outer periphery and cut by a cutter into a length corresponding to a designated size.
When at least one of the final edge of the photosensitive material and the final edge of the image receiving material is detected by the detecting means provided between the magazine containing the photosensitive material or the image receiving material and the cutter, the next image recording is performed. Is prohibited and indicates that there is no photosensitive material or image receiving material. In another conventional technique, a final end detection mark for detecting the final end such as a hole or a notch is provided at a position of a predetermined length (for example, A3 vertical length) from the final end of the recording material. The final edge detection mark (for example, a hole) is detected by a transmission type optical sensor provided between the magazine containing the recording material and the cutter, and when the output of the transmission type optical sensor changes from OFF to ON, it remains as it is. While the image recording is continued, the next image recording is prohibited and it is displayed that there is no photosensitive material or image receiving material.

[Problems to be Solved by the Invention] However, in the above-mentioned conventional technique, since the detection means for detecting the final end or the final end detection mark is arranged between the magazine and the cutter, the distance between the magazine and the cutter is reduced. There is a problem that the device becomes wider and the device cannot be made smaller. In order to solve this problem, it is conceivable to arrange the detecting means on the downstream side of the cutter in the conveying direction, but the detecting means detects the end of the recording material and the cut end of the recording material cut by the cutter. Since the same detection signal is output when it is detected, there is a problem that the final end and the cut end of the recording material cannot be distinguished. In addition, since a transmission optical sensor that outputs the same detection signal is used when the end edge is detected and when the end edge detection mark is detected, the end edge detection mark of the recording material and the cut edge are distinguished. There is a problem that you cannot do it.

The present invention has been made to solve the above problems, and an object of the present invention is to obtain an image recording apparatus capable of minimizing the distance between the magazine and the cutter and discriminating the final end and the cut end of the recording material. . Another object of the present invention is to obtain an image recording apparatus which can minimize the distance between the magazine and the cutter and can discriminate the end edge detection mark and the cut edge of the recording material.

[Means for Solving the Problems] In order to achieve the above-mentioned object, the present invention provides a first conveying means for drawing a recording material from a magazine, and a recording material arranged downstream of the first conveying means in the conveying direction. A cutter to be cut, a second conveying means arranged downstream of the cutter in the conveying direction to convey the drawn recording material, and a first conveying means conveys the recording material to a length corresponding to a designated size. Control means for activating the cutter when driven in such a manner, detection means for detecting whether or not a recording material is present at the arrangement position downstream of the cutter in the conveyance direction, and the cutter is activated. Since the detection signal of the detection means changes from the state in which the recording material is present to the state in which the recording material is not present, the length of the conveyance path between the cutter and the detection means is not long. And a judging means for judging that the final edge of the recording material has been detected by the detecting means when it is full.

Further, instead of the judging means, by the second conveying means from when the detection signal of the detecting means changes from the state in which no recording material exists to the state in which the recording material exists to the state in which no recording material exists. When the transport length is less than the length corresponding to the designated size, the detecting means includes a determining means for determining that the final end of the recording material has been detected.

Further, a first conveying means for pulling out the recording material having a final end detection mark attached from the magazine at a position of a predetermined length from the final end, and a recording material arranged at a downstream side in the conveying direction from the first conveying means to cut the recording material. And a second conveying means arranged downstream of the cutter in the conveying direction to convey the drawn recording material, and the first conveying means conveys the recording material for a length corresponding to a designated size. Control means for actuating the cutter when driven to the position, and detecting whether or not the recording material exists at the arrangement position on the downstream side of the cutter in the conveying direction and the final end detection mark exists at the arrangement position. Detection means that outputs the same detection signal as when no recording material is present, and the detection signal of the detection means changes from the state in which the recording material is present to the state in which there is no recording material after the cutter is activated. Judgment to determine that the detection mark has detected the final edge detection mark of the recording material when the conveyance length by the second conveyance means until the start of conveyance is less than the length of the conveyance path between the cutter and the detection means And means.

[Operation] According to the present invention, the cutter is operated when the first conveying means is driven so that the recording material is conveyed by the length corresponding to the specified size. Based on the transport length by the second transport means and the length of the transport path of the cutter and the detection means from the time when the cutter operates to the time when the detection signal of the detection means changes from the state where the recording material exists to the state where the recording material does not exist, It is determined whether the trailing edge of the recording material has been detected. That is,
When the recording material is cut by the cutter to a length corresponding to the specified size, the detection signal of the detecting means is changed from the state in which the recording material is present to the state in which the recording material does not exist. 2 If the length of conveyance by the conveying means becomes equal to the length of the conveying path between the cutter and the detecting means, and the remaining amount of recording material is shorter than the specified size and the recording material is not cut by the cutter, it is already finished at the time of the cutter operation. The edge has passed the cutter, and the transport length by the second transport means from when the cutter operates until the detection signal of the detection means changes from the state where the recording material exists to the state where the recording material does not exist, Since the length is less than the length of the feeding path, the feeding length of the second feeding means can be compared to determine the final end and the cut end of the recording material. If the final edge of the recording material has already passed the detecting means when the cutter is operated, the detection signal of the detecting means does not change from the state where the recording material is present to the state where the recording material is not present after the cutter is activated. Two
Since the transport length of the transport means is determined to be 0, the final end and the cut end of the recording material can be determined.

Further, the conveyance length by the second conveyance means from the state in which the recording material does not exist to the state in which the recording material exists to the state in which the recording material exists and the state in which the recording material does not exist and the designated size. It is possible to determine whether or not the final edge of the recording material has been detected, based on the length corresponding to. That is, when the recording material is cut by a cutter into a length corresponding to the specified size,
The transport length by the second transport means from the state in which the recording material changes from the state in which no recording material exists to the state in which the recording material exists to the state in which the recording material does not exist becomes the specified size. If the length is equal to the corresponding length and the recording material is not cut by the cutter, the final end has already passed through the cutter when the cutter is activated, and the detection signal of the detection means changes from the absence of the recording material to the presence of the recording material. From the state where the recording material exists to the state where the recording material does not exist, that is, the length of the recording material passing through the detecting means is less than the length corresponding to the specified size. Therefore, the final end and the cut end of the recording material can be discriminated.

Further, even when the recording material having the end edge detection mark at the position of the predetermined length from the end edge is used, the first conveying means is arranged so that the recording material is conveyed by the length corresponding to the designated size. The cutter is activated when driven. Based on the transport length by the second transport means and the transport path length between the cutter and the detector from the time when the cutter operates to the time when the detection signal of the detection means changes from the state where the recording material exists to the state where the recording material does not exist. , It is determined whether or not the end edge detection mark of the recording material is detected. That is, when the recording material is cut by the cutter so that the remaining amount of the recording material becomes longer than the length between the final end detection mark and the final end, the detection signal of the detection means indicates that the recording material is present after the operation of the cutter. The length of conveyance by the second conveying means from the state of changing to the state of nonexistence becomes equal to the length of the conveying path between the cutter and the detecting means, and the remaining amount of the recording material is between the final end detection mark and the final end. If the cutter cuts so that it is shorter than the length, the final edge detection mark has already passed through the cutter when the cutter was activated, and the detection signal of the detection means is the first recording material present after the cutter has operated. By the second conveying means from the state of changing to the state of not existing to the state of nonexistence, the conveying length becomes less than the length of the conveying path between the cutter and the detecting means, so that the final end detection mark of the recording material and the cut end can be discriminated. . In this case, if the trailing edge detection mark of the recording material has already passed through the detecting means when the cutter is operated, the detection signal of the detecting means has passed the first change from the state in which the recording material exists to the state in which the recording material does not exist. Therefore, the transport length by the second transport means becomes 0, and therefore the final edge detection mark and the cut edge of the recording material can be discriminated.

EFFECTS OF THE INVENTION As described above, according to the present invention, since the detection means for detecting the final end or the final end detection mark of the recording material is arranged on the downstream side of the cutter in the transport direction, the apparatus can be made compact and the second Since the transport length of the transport means and the length of the transport path of the cutter and the detection means are compared, the final edge and the cut edge of the recording material or the final edge detection mark and the cut edge of the recording material can be discriminated without error. It has an excellent effect.

Embodiments Embodiments of the present invention will be described in detail below with reference to the drawings.

FIG. 1 shows an outline of the image recording device 12 of the present invention. A first magazine 16 is arranged on a machine base 14 of the image recording device 12. A band-shaped photosensitive material 20 wound into a roll is stored in the first magazine 16.
The photosensitive material 20 is mounted in the image recording device 12 in a state in which the photosensitive material 20 is pulled out from the outlet by a predetermined length. Photosensitive emulsion is coated on the exposed surface of the photosensitive material 20.
Further, a final edge detection mark 108 is printed on the back surface of the photosensitive material 20 at a position of a predetermined length (for example, A3 vertical) from the rear end of the photosensitive material 20. As shown in FIG. 2, the transport roller 24 is disposed near the outlet 16A of the first magazine,
A cutter 26 is disposed on the downstream side of the transport roller 24 in the transport direction. The conveying roller 24 and the cutter 26 are connected to a control device 116 for controlling the image recording device 12 arranged in the machine base 14 as shown in FIG. The photosensitive material 20 is designed to be pulled out from the first magazine 16 when the transport roller 24 rotates by sandwiching the leading end portion thereof with the transport roller 24. When the photosensitive material 20 is pulled out for a predetermined length, it is cut by the cutter 26 and is constantly driven. The carrying rollers 28 and 30 are carried to the exposing section 32. Further, as shown in FIG. 2, when the final edge detection mark 108 printed on the back surface of the photosensitive material 20 is detected at the position where the length of the transport path is X from the cutting position of the cutter 26, as shown in FIG. , A reflective optical sensor 114 that outputs the same detection signal as when the photosensitive material 20 is not detected
Are arranged, and as shown in FIG.
4 is connected to the control device 116.

An exposure device 34 is provided directly above the exposure unit 32, and
As shown, the exposure device 34 is connected to the control device 116. The exposure device 34 includes a light source 36, a first mirror unit 38,
A second mirror unit 46 is disposed, and a mounting plate 52 is provided above the machine base 14 directly above the exposure device 34. The light source 36 and the first mirror unit 38 of the exposure device 34 are configured to reciprocate below the mounting plate 52 along the mounting plate 52, and are mounted on the mounting plate 52 by this forward movement. The image of the original document is scanned and exposed on the photosensitive material 20 located in the exposure section 32.

The nipping and reversing rollers 56 and 57 are disposed downstream of the exposing section 32, and the photosensitive material 20 after the exposure has the nipping and reversing rollers 56 and 57.
It is designed to be flipped while being pinched and conveyed in between.

A water application unit 58 is arranged downstream of the reversing roller 56.
A water application sensor 60 is arranged at the inlet of the water application unit 58. As shown in FIG. 4, the water application sensor 60 is a controller 116.
Is connected to the water applying section 58, and the photosensitive material 20 is detected before it is inserted into the water applying section 58, and water is supplied to the water applying section 58. A squeeze roller 62 is arranged at the outlet of the water application section 58 to remove excess water applied to the photosensitive material 20.

A slip sheet timing sensor 132 is provided downstream of the squeeze roller 62.
Are arranged, and the interleaving paper timing sensor 132 is connected to the control device 116 as shown in FIG.

An overlapping portion 74 is arranged downstream of the interleaf paper timing sensor 132, and the photosensitive material 20 coated with water is conveyed to the overlapping portion 74.

On the other hand, a second magazine 18 is arranged on the machine base 14. An unused image receiving material 22 wound in a roll shape is stored in the second magazine 18, and the second magazine 18 has the image receiving material 22 pulled out from the outlet by a predetermined length. It is installed inside. On the back surface of the image receiving material 22, a final edge detection mark 109 is printed at a position of a predetermined length (for example, A3 vertical length) from the rear edge of the image receiving material 22, similar to the photosensitive material 20.
As shown in FIG. 3, a conveying roller 64 is arranged near the outlet 18A of the second magazine. The front end of the image receiving material 22 is sandwiched by the transport rollers 64 so that the image receiving material 22 is pulled out from the second magazine 18 when the transport rollers 64 rotate. A cutter 66, a transport roller 68 that is constantly rotating, a transport roller 70 that rotates under the control of the control device 116, and a standby roller 72 are disposed downstream of the transport roller 64. As shown in FIG. 4, the conveying roller 64, the cutter 66, and the standby roller 72 are connected to the controller 116, and the controller 116 is connected to the controller 116.
The image receiving material 22 is cut to a predetermined length by the cutter 66 under the control of and is conveyed to the conveying rollers 68 and 70 and the standby roller 72. When the final edge detection mark 109 printed on the back surface of the image receiving material 22 is detected at the position where the length of the transport path is Y from the cutting position of the cutter 66, the image receiving material 22 is not detected. The reflection type optical sensor 115 that outputs the same detection signal is arranged, and
As shown, the optical sensor 115 is connected to the controller 116.

A standby sensor 130 is arranged downstream of the standby roller 72. As shown in FIG. 4, the standby sensor 130 is connected to the control device 116.

An overlapping portion 74 is arranged downstream of the standby sensor 130, and a laminating roller 76 is arranged in the overlapping portion 74, and the standby roller 72 determines the timing of overlapping with the photosensitive material 20. The image receiving material 22 and the photosensitive material 20 after water application are superposed.

A thermal development transfer section 78 is disposed downstream of the superposition section 74, and the photosensitive material 20 and the image receiving material 22 that are superposed together are sent to the thermal development transfer section 78. The thermal development transfer section 78 is composed of a heating drum 80 and an endless pressure bonding belt 82 made of a conductive rubber, and further, the heating drum.
A halogen lamp 84 is arranged in 80. The heating drum 80 is heated to about 80 ° C. to 200 ° C. by the halogen lamp 84, and the heating drum 80 and the endless pressure bonding belt 82 are sandwiched between the photosensitive material 20 and the image receiving material 22 in a superposed state. Image receiving material that conveys and records the image on photosensitive material 20
Heat transfer transfer to 22.

A first peeling portion 86 is arranged downstream of the heat development transfer portion 78, and the first peeling portion 86 includes a peeling roller 88, a peeling claw 90, and a swing roller 92. As shown in FIG. 4, the first peeling portion
86 is connected to the controller 116, and only the photosensitive material 20 on which the image is transferred under the control of the controller 116 is the heating drum 80.
It is designed to be peeled off from.

A cutter 94 and a waste tray 96 are arranged downstream of the first peeling section 86, and the photosensitive material peeled off from the heating drum 80.
20 is cut by a cutter 94 and is discarded in a discard tray 96.

A second peeling portion 98 is arranged downstream of the first peeling portion 86, and the second peeling portion 98 includes a peeling roller 100, a peeling claw 102, and a swing roller 104. As shown in FIG. 4, the second peeling section 98 is connected to the controller 116, and the image receiving material 22 on which the image is fixed under the control of the controller 116 is the heating drum 80.
It is designed to be peeled off from.

A tray 106 is arranged downstream of the second peeling section 98,
The image receiving material 22 peeled off from the heating drum 80 is transferred to the tray 106.
It is designed to be discharged to.

An operation unit 120 and a display unit 122 are arranged above the machine base 14 of the image recording apparatus 12, and the operation unit 120 and the display unit 122 are connected to the control unit 116 as shown in FIG. ing.

The control routine of this embodiment will be described below.

As shown in FIG. 5, in step 200, the flag F,
T is reset, the transport length L of the photosensitive material 20 and the image receiving material
The transport length K of 22 is cleared. In step 202, the photosensitive material drawing process routine shown in FIG. 6 is performed.

A drawing processing routine of the photosensitive material shown in FIG. 6 will be described.

In step 250, the driving of the transport roller 24 is started and the photosensitive material 20 is pulled out from the first magazine 16. Step 25
It is determined whether or not the conveyance roller 24 is driven so as to convey the photosensitive material 20 for a length corresponding to the specified size based on the number of clock pulses from the start of drawing in 2.
If it is determined that the image has been driven, the driving of the conveying roller 24 is stopped in step 254, the cutter 26 is operated in step 256, and jumping to step 204 in FIG. 5 is performed to pull out the image receiving material shown in FIG. Do the routine. When the cutter 26 operates, the interrupt process shown in FIG. 7 is performed, and in step 258, the measurement of the transport length L of the photosensitive material 20 is started. On the other hand, when the output signal of the optical sensor 114 changes from the state where the photosensitive material 20 is present (on) to the state where it is not present (off), the interrupt processing routine shown in FIG. 8 is performed.

Referring to FIG. 8, the output signal of the optical sensor 114 is the photosensitive material 2
0 exists (on) to nonexistent (off)
The interrupt processing routine will be described when the cut end or the end end detection mark 108 of the photosensitive material 20 reaches the optical sensor 114 when the change is made to 1.

When this routine is activated, in step 260,
The measurement of the transport length L of the photosensitive material 20 is stopped. If the measurement of the transport length L of the photosensitive material 20 has not started, L
= 0. In step 262, it is determined whether or not the transport length L of the photosensitive material 20 is less than the length X of the transport path between the cutting position of the cutter 26 and the optical sensor 114. When it is determined that the cut end of the material 20 has reached the optical sensor 114, the process returns to the process when the interrupt occurs. On the other hand, in step 262, the conveyance length L of the photosensitive material 20 is determined by the cutting position of the cutter 26 and the optical sensor 11.
When it is determined that the length of the transportation route with 4 is less than X,
That is, the final edge detection mark 108 of the photosensitive material 20 is the optical sensor 114.
If it is determined that the flag F has been reached, the flag F is set in step 264, and the process returns to the process when the interrupt occurs.

A drawing processing routine of the image receiving material 22 shown in FIG. 9 will be described.

In step 280, the driving of the conveying roller 64 is started and the image receiving material 22 is pulled out from the second magazine 18. Step 28
In 2, it is determined whether or not the transport roller 64 is driven to transport the image receiving material 22 by a length corresponding to the specified size based on the number of clock pulses from the start of drawing,
When it is determined that the drive roller 64 is driven, the driving of the conveying roller 64 is stopped in step 284, the cutter 66 is operated in step 286, and the process proceeds to step 296. Also, 6
When 6 is activated, the interruption process shown in FIG. 10 is performed, and in step 266, the measurement of the transport length K of the image receiving material 22 is started. On the other hand, when the output signal of the optical sensor 115 changes from the state where the image receiving material 22 is present (on) to the state where it is not present (off), the interrupt processing routine shown in FIG. 11 is performed.

Referring to FIG. 11, the output signal of the optical sensor 115 is the image receiving material 2
2 is present (on) to not present (off)
In the following, an interrupt processing routine in the case where the cut end or the end end detection mark 109 of the image receiving material 22 reaches the optical sensor 115 will be described.

When this routine is activated, in step 270,
The measurement of the transport length K of the image receiving material 22 is stopped. If the measurement of the transport length K of the image receiving material 22 has not been started, K
= 0. In step 272, it is determined whether or not the transport length K of the image receiving material 22 is less than the length Y of the transport path between the cutting position of the cutter 66 and the optical sensor 115. If it is determined that it is not less than the length Y, that is, the image receiving When it is determined that the cut end of the material 22 has reached the optical sensor 115, the processing returns to the processing when the interrupt occurs. On the other hand, in step 272, the conveyance length K of the image receiving material 22 is determined by the cutting position of the cutter 66 and the optical sensor.
If it is determined that the length of the conveyance path to 115 is shorter than Y, that is, if the final edge detection mark 109 of the image receiving material 22 reaches the optical sensor 115, the flag T is set in step 274. , Return to the process when the interrupt occurs.

In step 296 of FIG. 9, it is determined whether or not the standby sensor 130 is turned on. If it is determined that it is turned on, in step 298, the drive of the standby roller 72 is stopped and the image receiving material 2
Stop 2 and jump to step 208 in Figure 5.

In step 208 of FIG. 5, the photosensitive material 20 is conveyed to the exposure unit 32 and exposed. In step 210, the exposed photosensitive material 20 is conveyed to the water coating section 58 and coated with water. In step 212, the interleaf paper timing sensor 132 is a photosensitive material.
It is determined whether or not 20 is detected, and if it is determined that 20 is detected, the standby roller 72 is started to be driven in step 214. When the drive of the standby roller 72 is started, the image receiving material 22
Is conveyed to the superposing section 74 and superposed by the laminating roller 76 on the photosensitive material 20 after water application. The photosensitive material 20 and the image receiving material 22 which are superposed together are heat development transfer section 78.
To the endless pressure bonding belt 82 and the heating drum 80 heated by the halogen lamp 84, and transferred by heat development transfer. Photosensitive material with transferred image
20 and the image receiving material 22 are conveyed to the first peeling section 86, where
At 218, only the photosensitive material 20 is stripped. The peeled photosensitive material 20 is cut by a cutter 94 and discarded in a discard tray 96. On the other hand, the image receiving material 22 is heat-fixed with the image in a state of being in close contact with the heating drum 80 and is conveyed to the second peeling section 98. The image receiving material 22 on which the image has been fixed in step 220 is peeled from the heating drum 80 in the second peeling section 98 and discharged to the tray 106, and in step 222, the processing after the image recording shown in FIG. 12 is performed.

The processing routine after the image recording shown in FIG. 12 will be described.

Whether the flag F indicating whether the end edge detection mark 108 of the photosensitive material 20 is detected or the flag T indicating whether the end edge detection mark 109 of the image receiving material 22 is detected is set in step 300. If it is determined that neither has been set, the control routine of FIG. 5 is jumped to the start and the next image recording process is performed. On the other hand, if it is determined in step 300 that flag F or flag T is set, it is determined in step 302 whether flag F is set. If it is determined that flag F or flag T is not set, step 300 Jump to 306. On the other hand, if it is determined that the photosensitive material 20 is not set, the display means 122 displays that the photosensitive material 20 is not present. In step 306, it is determined whether or not the flag T has been set. If it is determined that the flag T has not been set, step 310 is skipped. On the other hand, if it is determined that the image has been set, the display means 122 displays that there is no image receiving material 22 in step 308, and the image recording process is prohibited in step 310.

As described above, in this embodiment, the final edge detection mark 10 of the recording material is
Since the optical sensors 114 and 115 for detecting 8 and 109 are arranged on the downstream side of the cutters 26 and 66 in the conveying direction, the image recording device 12 can be downsized, and the conveying length by the conveying rollers 28 and 68 and the cutter 2 can be reduced.
Since the lengths of the conveying paths of the optical sensors 6, 66 and the optical sensors 114, 115 are compared, the cutting edge of the recording material and the final edge detection mark 108, 1
It has an excellent effect that it can be distinguished from 09 without error. Further, even when a recording material without the final edge detection marks 108 and 109 is used, the optical sensors 114 and 115 detect the final edge instead of the final edge detection marks 108 and 109, and the transport rollers 28 and 68 are used. Transport length and cutters 26 and 66 and optical sensor 11
Since the lengths of the transport paths of 4 and 115 are compared with each other, there is an excellent effect that the cut end and the final end of the recording material can be discriminated without error.

In the above embodiment, when the cutters 26 and 66 are operated, the conveyance lengths L and K of the recording material are started to be measured by the conveying rollers 28 and 68, and the detection signals of the optical sensors 114 and 115 are set to the recording materials. Transport lengths L, K, cutters 26 and 66, and optical sensor
The example in which the cutting edge of the recording material and the final edge detection marks 108 and 109 are distinguished by comparing the lengths of the conveying paths with 114 and 115 has been described, but the detection signals of the optical sensors 114 and 115 indicate that the recording material is When you change from a non-existent state to an existing state,
Start measuring the transport lengths L and K of the recording material,
When the detection signals of 114 and 115 change from the state in which the recording material exists to the state in which the recording material does not exist, the conveyance length L of the recording material,
Compare K with the length S corresponding to the specified size,
The cut end at the rear end of the recording material and the final end of the recording material may be distinguished.

Next, the other method will be described with reference to FIGS. 13 and 14.

When the detection signals of the optical sensors 114 and 115 change from the state in which the recording material does not exist to the state in which the recording material exists, that is, when the leading end of the recording material reaches the optical sensors 114 and 115,
The interruption processing routine shown in the figure is performed, and in step 320, the measurement of the conveyance lengths L and K of the recording material by the conveyance rollers 28 and 68 is started. On the other hand, when the output signals of the optical sensors 114 and 115 change from the state in which the recording material exists to the state in which the recording material does not exist, that is, the cut end at the rear end of the recording material or the final end of the recording material reaches the optical sensors 114 and 115. Sometimes, the interrupt processing routine of FIG. 14 is performed. When this routine is started, in step 322, the conveyance length L of the recording material,
The measurement of K is stopped, and at step 324, the transport length L,
It is determined whether K is less than the length S corresponding to the designated recording size, and if it is determined that the length is not less than the length S, that is, the cut end of the trailing end of the recording material reaches the optical sensors 114 and 115. If it is determined that the process is completed, the process returns to the process when the interrupt occurs.
On the other hand, in step 324, the conveyance lengths L and K of the recording material are
If it is determined that is less than the length S corresponding to the designated recording size, that is, it is determined that the final end of the recording material has reached the optical sensors 114 and 115, step 32
At 6, the flags F and T are set, and the process returns to the process when the interrupt occurs.

[Brief description of drawings]

FIG. 1 is a schematic sectional view of the image recording apparatus of the present embodiment, FIG. 2 is an enlarged sectional view near the outlet of the first magazine, FIG. 3 is an enlarged sectional view near the outlet of the second magazine, and FIG. A block diagram of the control circuit of the image recording apparatus of the example, FIG. 5 is a flow chart showing a control routine of the image recording apparatus of the present embodiment, FIG. 6 is a flow chart showing a photosensitive material drawing processing routine, and FIG. Flowchart showing the interrupt processing routine of FIG.
FIG. 9 is a flowchart showing an interrupt processing routine for turning on and off the optical sensor 114, FIG. 9 is a flowchart showing an image receiving material drawing processing routine, FIG. 10 is a flowchart showing an interrupt processing routine for turning on the cutter 66, and FIG. FIG. 12 is a flowchart showing an interrupt processing routine for turning on and off the sensor 115.
FIG. 13 is a flowchart showing the processing routine after image recording is completed,
FIG. 14 is a flowchart showing an off-to-on interrupt processing routine of the optical sensors 114 and 115, and FIG. 14 is a flowchart showing an on-to-off interrupt processing routine of the optical sensors 114 and 115 corresponding to FIG. 12 ... Image recording device, 24, 26, 28, 68 ... Conveyor roller,
26, 66 ... Cutter, 114 ... Optical sensor, 115 ... Optical sensor, 116 ... Control device.

Claims (3)

[Claims] 1. A first conveying means for drawing a recording material from a magazine, a cutter arranged downstream of the first conveying means in the conveying direction for cutting the recording material, and a cutter arranged downstream of the cutter in the conveying direction. Second conveying means for conveying the recording material pulled out by the recording medium, control means for activating the cutter when the first conveying means is driven to convey the recording material for a length corresponding to a designated size, and A state in which a detection means is arranged downstream of the cutter in the conveying direction to detect whether or not a recording material is present at the arrangement position, and a detection signal of the detection means is present after the cutter is operated and the recording material is present. When the conveying length by the second conveying means from the change to the nonexistent state is less than the length of the conveying path between the cutter and the detecting means, the detecting means determines the final end of the recording material. The image recording apparatus according to claim determining means for determining to have been issued, that was provided. 2. The image recording apparatus according to claim 1, wherein instead of the judgment means, the detection signal of the detection means changes from a state in which no recording material exists to a state in which the recording material exists. It is determined that the detection means has detected the final end of the recording material when the conveyance length by the second conveyance means from the state in which there is the state to the state in which the state does not exist is less than the length corresponding to the specified size. An image recording apparatus, characterized in that it is provided with a determining means for performing the operation. 3. A first conveying means for pulling out a recording material having a final end detection mark from the magazine at a position of a predetermined length from the final end, and the recording means arranged downstream of the first conveying means in the conveying direction. A cutter that cuts the material, a second conveying unit that is arranged on the downstream side of the cutter in the conveying direction to convey the drawn recording material, and a length that the first conveying unit corresponds to the designated size of the recording material. Control means for activating the cutter when driven to convey, and detecting whether or not a recording material is present at the arrangement position, which is arranged on the downstream side of the cutter in the conveying direction, and a final end detection mark is provided at the arrangement position. When the recording material is present, the detection means outputs the same detection signal as that when the recording material is not present, and the detection signal of the detection means is changed from the state where the recording material is present to the state where the recording material is not present after the cutter is operated. It is determined that the detection mark has detected the final edge detection mark of the recording material when the conveyance length by the second conveyance means until it becomes shorter is less than the length of the conveyance path between the cutter and the detection means. An image recording apparatus comprising: a determination unit.