JP5895883B2 - Positioning device, image processing device - Google Patents

Description

  The present invention relates to a positioning device and an image processing device.

  Patent Document 1 describes a paper cueing mechanism that detects paper marking and conveys it to a predetermined position in order to enable printing from a print start position. A means for controlling the paper feed amount to the printing position is disclosed.

  Patent Document 2 discloses a printer position paper feed control device for setting a print paper as an index and controlling the print paper to be sent to the print head from the position until the leading edge is detected, and controlling the feed to the cutting cutter.

JP-A-61-205160 Japanese Patent Laid-Open No. 64-053885

  An object of the present invention is to obtain a positioning apparatus and an image processing apparatus that can easily and accurately position a sheet as compared with a case without this configuration.

  According to the first aspect of the present invention, the unit sheet classified as one unit is provided on a conveyance path for conveying a strip-shaped recording sheet in which a plurality of units are connected to the processing unit based on a predetermined conveyance control unit. And an index member that is movable in the conveying direction to position the mark for each unit sheet, and a predetermined reference position of the index member when the index member is positioned with respect to the mark Detecting means for detecting the amount of displacement from the control unit, and correcting means for correcting the processing time in the processing unit based on the amount of displacement detected by the detecting means and the transport control unit.

  According to a second aspect of the present invention, in the first aspect of the present invention, the movable range of the indicator member is set wider than the distance between the marks.

  According to a third aspect of the present invention, in the first or second aspect of the present invention, on the conveyance path, provided downstream of the processing unit, based on a displacement detected by the detection means. And predicting means for predicting the position where the mark of each unit sheet to be determined stops, and display means for displaying the position predicted by the predicting means.

  According to a fourth aspect of the present invention, in the invention according to the third aspect, the display unit includes a plurality of light emitting units at predetermined intervals along the conveyance direction of the recording paper, and the prediction unit predicts the display unit. The light emitting part that is closest to the position is emitted.

According to a fifth aspect of the present invention, in the invention according to the fourth aspect , when the position predicted by the predicting unit and the mark on the unit paper do not match, the light emitting unit that emits light is changed. further comprising an adjusting means for adjusting the position, based on the information that has been adjusted by said adjusting means, conveyance control is adjusted.

  According to a sixth aspect of the present invention, in the invention according to any one of the first to fifth aspects of the present invention, a perforation is formed on the recording paper as a guide for cutting, and a distance between the perforations is set. The perforation is applied as the mark while the transport length is one unit of the unit sheet.

  A seventh aspect of the present invention includes the positioning device according to any one of the first to sixth aspects, wherein the processing unit is an image reading device that reads at least image information, or a recording sheet based on the image information An image processing apparatus including any one of image forming apparatuses for forming an image on the image processing apparatus.

  According to the first aspect of the present invention, it is possible to easily and accurately position the paper as compared with the case where this configuration is not provided.

  According to the second aspect of the present invention, at least one mark can be present in the movable range of the indicator portion.

  According to the invention described in claim 3, it is possible to determine whether or not the result of positioning before the processing unit is reflected until after the processing unit.

  According to the fourth aspect of the present invention, it is possible to easily determine the positional deviation as compared with the case where the present configuration is not provided.

  According to the fifth aspect of the present invention, it is possible to easily adjust the positional deviation as compared with the case where this configuration is not provided.

  According to the sixth aspect of the invention, the perforation can be used effectively.

  According to the seventh aspect of the present invention, it is possible to easily and accurately position the paper as compared with the case where this configuration is not provided.

1 is a schematic configuration diagram of an image forming apparatus according to the present embodiment. FIG. 4 is a perspective view showing a positioning device and a position confirmation device arranged on the conveyance path of the image forming apparatus according to the present embodiment. It is a side view of the positioning device which concerns on this Embodiment. It is a top view of the target indicator of the position confirmation apparatus which concerns on this Embodiment. It is a functional block diagram showing the flow of positioning and position confirmation control in the transport control unit according to the present embodiment. It is a flowchart which shows the flow of the positioning and position confirmation control in the conveyance control part which concerns on this Embodiment.

(Schematic configuration of the image forming apparatus 10)
As shown in FIG. 1, an image forming apparatus 10 as an image processing apparatus according to the present embodiment includes a storage unit 28 that stores a form paper P. As shown in FIG. 1, the form paper P applied to the present embodiment is a continuous paper formed in a band shape, and after the image is formed, the perforation Ps (see FIG. 2) is preliminarily set. The paper is cut into a predetermined size (one unit of paper piece described later).

  As shown in FIG. 1, the form paper P is folded and accommodated in the accommodating portion 28, and the accommodated form paper P is conveyed in the image forming apparatus 10 as indicated by a solid line in FIG. 1. The mechanism 34 is transported along a predetermined transport path. In addition, the accommodating part 28 is not restricted to the structure accommodated by the said folding, The structure which winds up the form paper P in roll shape and accommodates it may be sufficient.

  The transport mechanism unit 34 is provided with a plurality of guide plates 50 provided so as to face the front and back surfaces of the form paper P, and a plurality of paper plates P that are driven to rotate so as to apply a transport force to the form paper P. A conveyance roller pair 34R is provided. The conveyance roller pair 34 </ b> R is rotated or stopped by an instruction from a drive driver 54 connected to the main control unit 52.

  The transport mechanism unit 34 is not limited to the transport mechanism unit that transports the roller sheet with a pair of rollers as described above. For example, the transport mechanism unit 34 is formed along the longitudinal direction at both end portions (side edge portions) of the paper sheet P in the width direction. In addition, a tractor type transport mechanism unit that engages and transports pins with a plurality of feed holes may be used as long as it can transport the form paper P with a predetermined tension.

  The transport path through which the form paper P is transported includes an image forming unit 12 that forms a toner image on the form paper P in order from the upstream side in the transport direction to the downstream side in the transport direction, and a flash lamp 38 as an example of a light emitting unit. The fixing device 30 is provided.

  The image forming unit 12 includes a photosensitive drum 13 that rotates in one direction (clockwise in FIG. 1).

  Around the photosensitive drum 13, the charging device 14 that charges the surface of the photosensitive drum 13 in order from the upstream side in the rotation direction of the photosensitive drum 13 and the charged photosensitive drum 13 are exposed to expose the photosensitive drum 13. An exposure device 16 that forms an electrostatic latent image on the surface, a developing device 18 that develops the electrostatic latent image formed on the surface of the photosensitive drum 13 to form a toner image, and a residual that remains on the photosensitive drum 13 A cleaner blade 22 that cleans the toner, a static eliminator 20 that neutralizes the surface of the photosensitive drum 13, and a cleaner brush 24 that cleans residual toner remaining on the photosensitive drum 13 are provided.

  In addition, a transfer device 26 that transfers the toner image formed on the photosensitive drum 13 to the form paper P across the form paper conveyance path is provided at a position facing the photoconductor drum 13.

  The fixing device 30 emits flash light from the flash lamp 38 to irradiate the toner image transferred onto the form paper P with flash light, thereby converting light energy into heat energy, and melting the toner by the heat. Fix to P.

  The form paper P on which the toner image has been fixed by the fixing device 30 is further conveyed downstream, and is folded and accommodated in the accommodation portion 37 that accommodates the form paper P. In addition, the accommodating part 37 is not restricted to the structure accommodated by the said folding, The structure which winds up and accommodates the form paper P in roll shape may be sufficient.

(Positioning of form paper P on the form paper conveyance path)
As shown in FIG. 1 and FIG. 2, the form paper P is formed with perforations Ps (criterion lines) that indicate a unit break of the form paper P and serve as a guide for separating the paper pieces for each unit. Has been. Hereinafter, in the present embodiment, the perforation Ps serving as the guide is applied as a guide for one unit of the paper sheet P. For example, a pointer mark may be separately printed in advance for each unit of the paper sheet P or punched, and the pointer mark may be used as the pointer.

  The form paper P is sent from the storage unit 28 to the image forming unit 12 by automatic conveyance control of the conveyance mechanism unit 34. When the form paper P reaches the image forming unit 12, the form paper P is positioned at a predetermined image forming position (also referred to as “printing position”) of the image forming unit 12 and enters an image forming standby state.

  The positioning to the image forming position is determined by the user inputting and operating the type of form paper P from the UI 58 connected to the main control unit 52 of the image forming apparatus 10. That is, the conveyance direction length for each unit paper piece is determined according to the type of form paper P, and the image formation start position (so-called cueing) is performed on each unit paper piece by conveyance control based on the conveyance direction length. Can be specified.

  Accordingly, by operating and inputting the type of the form paper P from the UI 58 before the image forming process, the initial position in the carrying direction of the form paper P is determined, and thereafter (after the start of image formation), one unit of paper is carried. Image formation is executed while repeating the length.

  Note that, as a default of the image forming position, there is a case where a general type of form paper P is registered, and an operation input of the type of form paper P is not essential.

  A position adjusting device 60 for determining the position in the conveyance direction of the form paper P is provided upstream of the image forming unit 12 in the conveyance mechanism unit 34 in the sheet conveyance direction. In the present embodiment, the position adjustment device 60 positions the initial position in the conveyance direction of the form paper P.

  As shown in FIG. 2, the position adjusting device 60 includes a positioning plate 62. The positioning plate 62 is disposed below the conveyance path of the form paper P in FIG. For this reason, when the form paper P is transported by the transport mechanism 34, it passes through the top surface (front surface) of the positioning plate 62 of the position adjusting device 60 or with a gap.

  The positioning plate 62 has a vertically long rectangular plate shape along the width direction of the form paper P, and an index portion 64 formed linearly along the width direction of the form paper P on the upper surface (front surface) thereof. Is formed. This indicator portion 64 is opposed to the surface (back surface) of the form paper P.

  More specifically, the index unit 64 is provided at a reference line 66 that is the center in the sheet conveyance direction and at a position that is shifted to the upstream side and the downstream side in the sheet conveyance direction with respect to the reference line 66 and has a positioning tolerance limit. And a pair of auxiliary lines 68 shown. The reference line 66 and the pair of auxiliary lines 68 are parallel to each other. At both ends of the reference line 66, triangular specific marks 70 indicating the reference line 66 are provided. One of the triangle vertices of the specific mark 70 specifies the position of the reference line 66.

  In addition, the display form of the indicator portion 64 may be formed by uneven cutting on the positioning plate 62, or may be image formation or sticking of a seal. Further, the reference line 66 and the auxiliary line 68 need not be continuous in the paper width direction. Furthermore, the specific mark 70 is not limited to a triangle as long as it has a corner (preferably an acute angle).

  Here, the positioning plate 62 is supported around a pair of belts 72 arranged further outward from both ends in the width direction of the form paper P.

  The position adjustment device 60 includes a pair of wheels 74 provided along the width direction of the form paper P. The wheels 74 have a pair of pulleys 78 attached to both ends of an axle 76, and the pair of belts 72 are respectively wound around the pulleys 78 of the wheels 74 at both ends in the width direction of the form paper P. Therefore, the positioning plate 62 is guided by the pair of belts 72 and can move in the conveyance direction of the form paper P.

  As shown in FIG. 3, the movable range L1 of the positioning plate 62 is the maximum separation distance L2 + α (α is the front and rear surplus α1 + α2 = α) at the position of the perforation Ps determined according to the type of the form paper P. ing.

  Here, on one side in the width direction of the form paper P (the back side in FIG. 2), a stopper plate 80 is disposed on the movement locus of the positioning plate 62. Therefore, the positioning plate 62 is prevented from further forward movement by the stopper plate 80, and this position is set as a reference position (initial position) of the positioning plate 62. It is preferable that the reference position is determined on the downstream side in the transport direction with respect to the frontmost position of the perforation Ps that is the most downstream side in the transport direction among the types of form paper P within the movable range L1 of the positioning plate 62.

  Further, an encoder 82 for monitoring the moving amount of the belt 72 is provided on the other side in the width direction of the form paper P (the front side in FIG. 2).

  The encoder 82 has a rotating shaft 82A connected to a subsidiary pulley 84 coaxially attached to a pulley 78 on the downstream side in the conveying direction by a belt 86.

  Therefore, the rotary shaft 82A of the encoder 82 rotates in proportion to the movement amount of the pair of belts 72. That is, one rotation of the rotary shaft of the encoder 82 is a constant movement amount of the positioning plate 62.

  Here, by setting the position where the positioning plate 62 is in contact with the stopper plate 80 as the zero point position of the encoder 82, the distance from the stopper plate 80 in the positioning plate 62 becomes the pulse signal output from the encoder 82. It is possible to calculate based on this.

  That is, in the present embodiment, for example, when the form paper P is loaded, it is automatically conveyed and stopped at a predetermined position. This stop position is used as the zero point reference of the encoder 82.

  When stopping after the automatic conveyance of the form paper P, the perforation Ps exists at least within the movable range L1 of the positioning plate 62 (see FIG. 3). Thereafter, the positioning plate 62 is manually moved, for example, so that the reference position provided on the positioning plate 62 matches the perforation Ps. A pulse signal corresponding to the amount of movement is output from the encoder 82.

  The encoder 82 is connected to a conveyance control unit 88 which is a part of the main control unit 52, and addition / subtraction of the pulse signal from a reference position (0 point position) is executed. The number of pulses is added or subtracted depending on the moving direction. The conveyance control unit 88 will be described later.

  Further, as shown in FIGS. 1 and 2, the position adjusting device 60 is provided with a set button 90. In the present embodiment, the set button 90 is a mechanical push button type, and the contact of the internal switch is switched by a pressing operation. The wiring from the internal switch of the set button 90 is connected to the main control unit 52, and the operation state of the set button 90 is monitored by the conveyance control unit 88 that is a part of the main control unit 52.

  The set button 90 is disposed in the vicinity of the position adjustment device 60 and is pressed when the positioning plate 62 is positioned. However, the positioning completion instruction may be an operation from the UI 58.

(Confirmation of the position of the form paper P on the form paper conveyance path)
As shown in FIGS. 1 and 2, a position confirmation device 92 for confirming the position in the conveyance direction of the form paper P is provided downstream of the image forming unit 12 in the conveyance mechanism unit 34 in the sheet conveyance direction. .

  The position confirmation device 92 includes a pedestal 96 provided with a guide wall 94 on one side in the width direction of the form paper P (the back side in FIG. 2). The guide wall 94 is not essential.

  An upper surface (front surface) of the pedestal 96 is a support surface that supports the form paper P conveyed from the image forming unit 12, and the form paper P touches the support surface of the pedestal 96 or leaves a gap. It will open and pass.

  When the form paper P passes through the pedestal 96, one end in the width direction of the form paper P (the rear side end in FIG. 2) is in contact with the guide wall 94 and is guided and conveyed by the guide wall 94. The

  For this reason, the width direction other end part (front side edge part of FIG. 2) of the form paper P passes through a predetermined position. A target position indicator 98 is provided on the upper surface (front surface) of the base 96 so as to face the other end in the width direction of the form paper P.

  As shown in FIG. 4, the target position indicator 98 includes a plurality of light emitting elements arranged in a straight line along the width direction of the form paper P to form one target position light emitting group 98D.

  A plurality of target position light emission groups 98D are arranged along the conveyance direction of the form paper P.

  The plurality of groups of target position light emission groups 98D are controlled by the conveyance control unit 88 to emit light selectively.

  Among the target indicators 98, the target position light emission group 98D whose light emission is controlled is specified by the calculation result based on the type of the form paper P (one unit conveyance length) and the pulse signal from the encoder 82 received by the conveyance control unit 88. It has come to be.

  That is, when the position of the positioning plate 62 is determined by the type of the form paper P and the position adjustment device 60, the conveyance length of the conveyance mechanism unit 34 is fixed, and therefore the form on the pedestal 96 of the position confirmation device 92 is inevitably. The position of the perforation Ps of the paper P is also specified, and the specified target position light emission group 98D emits light, so that the relative position with respect to the position of the perforation Ps of the form paper P conveyed from the image forming unit 12 is confirmed. It becomes possible.

  The position confirmation device 92 is provided with a confirmation button 100. In the present embodiment, the confirmation button 100 is a mechanical push button type, and the contact of the internal switch is switched by a pressing operation. The wiring from the internal switch of the confirmation button 100 is connected to the main control unit 52, and the operation state of the confirmation button 100 is monitored by the transport control unit 88 that is a part of the main control unit 52.

  The confirmation button 100 is disposed in the vicinity of the position confirmation device 92, and when it is visually confirmed that the target indicator light emitting group 98D and the perforation Ps in the target indicator 98 coincide with each other. Although the pressing operation is performed, the confirmation instruction may be an operation from the UI 58. Here, the causes of the mismatch between the positions of the target position light emission group 98D that emits light and the perforation Ps may be due to machine differences in the transport system, slippage of the form paper P being transported, changes in tension, and the like.

  Further, the position confirmation device 92 is provided with an adjustment key 100 and an adjustment amount display unit 104 that are applied when the position of the target position light emission group 98D that emits light and the perforation Ps do not match. With the adjustment key 100, when the relative position between the light emitting target position light emitting group 98D and the perforation Ps is deviated, the key operation is performed according to the increase / decrease amount. The adjustment amount display unit 104 displays the adjustment amount.

  For example, in the target indicator 98, the pitch dimension of the plurality of target position light emitting groups 98D is set as a unit adjustment amount, and the adjustment amount display unit 104 displays a positive or negative (±) number of points for one unit adjustment amount. .

  FIG. 5 is a block diagram in which operation control in the position adjustment device 60 and the position confirmation device 92 (see FIGS. 1 and 2) in the conveyance control unit 88 is classified by function. Each block diagram does not limit the hardware configuration of the transport control unit 88. Further, in order to achieve the object, all the functional blocks described in FIG. 5 are not necessarily essential.

  The conveyance control unit 88 includes an adjustment instruction receiving unit 110, and when receiving an adjustment instruction from the UI 58, a set button operation signal receiving unit 112, a confirmation button operation signal receiving unit 114, an adjustment key operation signal receiving unit 116, and an adjustment amount information output. Section 118 and target position information output section 120 are enabled.

  A set button 90 is connected to the set button operation signal receiving unit 112. A confirmation button 102 is connected to the confirmation button operation signal receiving unit 114. An adjustment key 100 is connected to the adjustment key operation signal receiving unit 116. The adjustment amount display unit 104 is connected to the adjustment amount information output unit 118. A target position indicator 98 is connected to the target position information output unit 120.

  The UI 58 is connected to a paper type information receiving unit 122. For example, the paper type information receiving unit 122 receives the paper type of the form paper P currently applied in the image forming apparatus 12 from the UI 58. Information on the paper type of the accepted form paper P is stored in the paper type information storage unit 124.

  When it is determined that the set button 90 has been operated, the set button operation signal reception unit 112 outputs the stored paper type information to the image type position calculation unit 126 to the paper type information storage unit 124. To instruct.

  The image forming position calculation unit 126 is connected to the encoder information reading unit 128. The encoder information reading unit 128 reads the pulse signal output from the encoder 82 and sends it to the image forming position calculation unit 126.

  The image forming position calculation unit 126 specifies the position of the positioning plate 62 based on the pulse signal addition / subtraction information from the encoder 82 and calculates the transport length from the position of the perforation Ps of the form paper P to the image forming position. . The calculation result in the image forming position calculation unit 126 is sent to the image forming position information temporary storage unit 130. The image forming position temporary storage unit 130 temporarily stores the calculation result.

  In addition, the calculation result in the image forming position calculation unit 126 is sent to the image forming position adjustment unit 132.

  The image forming position adjustment unit 132 is connected to the confirmation button operation signal reception unit 114, the adjustment key operation signal reception unit 116, the adjustment amount information output unit 118, and the target position information output unit 120.

  The image forming position adjustment unit 132 executes the following processing.

  (Process 1) By determining the image forming position, the position of the perforation Ps on the pedestal 96 of the position confirmation device 92 is specified, and the target position light emission group 98D of the target position indicator 98 is caused to emit light.

  (Processing 2) Based on the adjustment amount by the adjustment key 100, the adjustment amount display unit 104 displays the ± point number as the adjustment amount.

  (Process 3) Based on the adjustment amount by the adjustment key, the calculation in the image forming position calculation unit 126 is executed again. The recalculation result is updated and stored in the temporary image forming position storage unit 130.

  (Processing 4) By operating the confirmation button 102, the image forming position determining unit 134 connected to the image forming position adjusting unit 132 is activated.

  Based on the activation of the image forming position determining unit 134 in the process 4, the image forming position determining unit 134 reads the image forming position information temporarily stored in the image forming position information temporary storage unit 130, and stores the image forming position information. Stored in the unit 136.

  The image formation position information storage unit 136 is connected to an image formation control unit 138 which is a main control system of the main control unit 52. The image formation control unit 138 stores the image formation position information in the image formation control. Image formation control is executed based on the image formation position information stored in the unit 136.

  Hereinafter, the flow of the positioning control and the position confirmation control of the form paper P will be described according to the flowchart of FIG.

  In step 150, it is determined whether or not there is an adjustment instruction from the UI 58. If a negative determination is made, this routine ends.

  If an affirmative determination is made in step 150, the process proceeds to step 152 and the input / output devices of the position adjustment device 60 and the position confirmation device 92 are validated. The input / output device includes a set button 90, a confirmation button 102, an adjustment key 100, an adjustment amount display unit 104, and a target position indicator 98.

  Thereafter, the form paper P is sent out from the storage unit 28, is automatically conveyed to the storage unit 37 through the image forming unit 12, and the form paper P is loaded. When the form paper P is stopped after being automatically conveyed, the perforation Ps exists in at least the movable range L1 of the positioning plate 62 (see FIG. 3). As a work for positioning the form paper P, the user manually moves the positioning plate 62 to match the reference position provided on the positioning plate 62 with the perforation Ps. A pulse signal corresponding to the amount of movement is output from the encoder 82.

  In the next step 154, the encoder information is updated. That is, the number of pulses is added or subtracted based on a pulse signal output as the positioning plate 62 moves. Therefore, the pulse number corresponds to the latest position of the positioning plate 62.

  In the next step 156, it is determined whether or not the set button 90 has been operated. If a negative determination is made in step 156, the process proceeds to step 158 to determine whether to start over from the beginning. This determination as to whether or not to redo can be changed depending on, for example, whether or not a reset operation has been performed from the UI 58.

  If a negative determination is made in step 158, the process returns to step 154, and steps 154, 156, and 158 are repeated as a standby state for the operation of the set button 90. If the determination in step 158 is affirmative, the process returns to step 150 and the above process is repeated.

  Here, when an affirmative determination is made in step 156, that is, when the set button 90 is operated, it is determined that positioning has been completed, and the routine proceeds to step 160.

  In step 160, the encoder information is read from the encoder 82. That is, the pulse signal count from the reference position of the positioning plate 62 is read.

  Next, in step 162, pre-registered paper type information is read out, the process proceeds to step 164, and image forming position information (image forming timing) is calculated based on the pulse signal count number and paper type information. Move to 166.

  In step 166, the calculated result (image forming position information) is temporarily stored, and the process proceeds to step 168. Based on the calculated result (image forming position information), a plurality of target positions of the target position indicator 98 are obtained. Among the light emitting groups 98D, the target position light emitting group 98D to emit light is specified, and light is emitted (displayed).

  If the position indicated by the emitted target position light emission group 98D matches the perforation Ps of the form P, the positioning is performed. On the other hand, if the position indicated by the emitted target position light emission group 98D and the perforation Ps of the form paper P do not match, the positioning is insufficient. This confirmation is performed visually by the user.

  In the next step 170, it is determined whether or not the confirmation button 102 has been operated. If a negative determination is made, the process proceeds to step 172. In step 172, it is determined whether or not the adjustment key 100 has been operated. If a negative determination is made, the process proceeds to step 174. In step 174, it is determined whether or not to start again from the beginning. If a negative determination is made, the process returns to step 170. That is, steps 170, 172, and 174 are repeated until an affirmative determination is made in any of steps 170, 172, and 174.

  Here, the determination of whether or not to redo in step 174 can be replaced with, for example, whether or not a reset operation has been performed from the UI 58.

  If an affirmative determination is made in step 174, the process returns to step 10 to restart the positioning process or stop the positioning process.

  If the determination in step 172 is affirmative, that is, if the adjustment key 100 is operated, the process proceeds to step 176 to correct the image forming position information based on the adjustment amount by the operation of the adjustment key 100, and then to step 178. Then, the corrected image forming position information is temporarily stored (updated), and the process proceeds to step 168.

  Further, when an affirmative determination is made in step 170, it is determined that positioning has been confirmed, and the process proceeds to step 180 where the image formation position information currently temporarily stored is used as image formation position information to be applied by the image formation control unit 138. And stored in the image formation position information storage unit 136.

  Thereafter, the process proceeds to step 182 to invalidate the input / output device of the transport control unit 56, and this routine ends.

P Form paper Ps Perforation 10 Image forming device 12 Image forming unit 14 Charging device 16 Exposure device 18 Developing device 20 Neutralizing device 22 Cleaner blade 24 Cleaner brush 26 Transfer device 28 Storage unit 30 Fixing device 34 Conveying mechanism unit 34R Conveying roller pair 37 Housing 38 Flash lamp 50 Guide plate 52 Main controller 54 Drive driver 58 UI
DESCRIPTION OF SYMBOLS 60 Position adjusting device 62 Positioning plate 64 Index part 66 Reference line 68 Auxiliary line 70 Specific mark 72 Belt 74 Wheel 76 Axle 78 Pulley 80 Stopper plate 82 Encoder 82A Rotating shaft 88 Transport control part 90 Set button 92 Position confirmation apparatus 94 Guide wall 96 Base 98 Target position indicator 98D Target position light emission group 100 Adjustment key 102 Confirmation button 104 Adjustment amount display section 110 Adjustment instruction reception section 112 Set button operation signal reception section 114 Confirmation button operation signal reception section 116 Adjustment key operation signal reception section 118 Adjustment amount Information output unit 120 Target position information output unit 122 Paper type information reception unit 124 Paper type information storage unit 126 Image formation position calculation unit 128 Encoder information reading unit 130 Image formation position information temporary storage unit 132 Image formation position adjustment unit 1 34 Image formation position determination unit 136 Image formation position information storage unit 138 Image formation control unit

Claims (7)

A unit sheet classified as one unit is provided on a transport path for transporting a strip-shaped recording sheet connected to a plurality of units to a processing unit based on a predetermined transport control unit, and is determined for each unit sheet. An indicator member movable in the conveying direction to position relative to the mark;
Detecting means for detecting a displacement amount of the index member from a predetermined reference position when the index member is positioned with respect to the mark;
Correction means for correcting the processing time in the processing unit based on the displacement amount detected by the detection means and the transport control unit;
A positioning device.   The positioning device according to claim 1, wherein a movable range of the index member is set wider than a distance between the marks. A predicting unit that is provided on the downstream side of the processing unit on the transport path and predicts a position where the mark of each unit sheet determined based on the displacement detected by the detecting unit stops;
The positioning device according to claim 1, further comprising display means for displaying the position predicted by the prediction means.   The positioning device according to claim 3, wherein the display unit includes a plurality of light emitting units at predetermined intervals along the conveyance direction of the recording paper, and causes the light emitting unit that is closest to the position predicted by the prediction unit to emit light. When the position predicted by the prediction unit and the mark on the unit paper do not match, the information further includes an adjustment unit that adjusts positioning by changing the light emitting unit that emits light, and the information adjusted by the adjustment unit the basis, the positioning device according to claim 4, wherein the conveyance control is adjusted.   2. A perforation serving as a guide for cutting is formed on the recording paper, a distance between the perforations is set as a transport length of one unit of the unit paper, and the perforation is applied as the mark. The positioning device according to claim 5.   An image reading device comprising the positioning device according to claim 1, wherein the processing unit reads at least image information, or an image forming device that forms an image on recording paper based on the image information. An image processing apparatus comprising either one.