JP5472132B2 - Packaging form of image forming device - Google Patents

Description

  The present invention relates to a packaging form of an image forming apparatus in which a process cartridge is bundled.

  As a physical distribution form of the image forming apparatus main body and the process cartridge, the process cartridge is imaged in order to pack the image forming apparatus main body and the process cartridge in one box in order to reduce the packing material for transport and improve the transport efficiency. It has been proposed to pack in a state of being mounted in the forming apparatus main body. For example, in the image forming apparatus described in Patent Document 1, the process cartridge is packed in the apparatus body (hereinafter referred to as “bundling”), and the charging roller and the developing roller are separated from the photosensitive drum in the packed state. An image forming apparatus configured to do so is described. This is to prevent the photosensitive drum from being damaged due to vibration generated during transportation of the photosensitive drum in contact with the developing roller or the charging roller and rubbing.

JP 2006-259448 A

  In general, the toner inserted in the process cartridge deteriorates due to moisture absorption, leading to a decrease in image quality during image formation. Therefore, when the process cartridge is packed, a device is devised so that the toner is stored in a dry state such as being put in a sealed bag. However, when the apparatus main body and the process cartridge are bundled, it is difficult to put the process cartridge in a sealed bag, and it is difficult to store the toner in a dry state. Accordingly, an object of the present invention is to suppress the toner in the process cartridge from absorbing moisture in the packing form of the image forming apparatus that is packed with the process cartridge mounted on the apparatus main body.

  In order to achieve the above object, the invention according to claim 1 is capable of opening and closing an opening for inserting / removing a process cartridge containing image forming toner into / from the apparatus main body and the opening in the apparatus main body. In the packing form of the image forming apparatus, the process cartridge is closed with the process cartridge inserted into the apparatus main body, and the process cartridge is closed. A desiccant is installed between the cover in the state.

  According to a second aspect of the present invention, in the packaging form of the image forming apparatus according to the first aspect, the desiccant has a bag shape and is sandwiched between the process cartridge and the cover. It is characterized by being.

  According to a third aspect of the present invention, in the packaging form of the image forming apparatus according to the first or second aspect, the process cartridge is orthogonal to the axial direction of the photosensitive member forming an electrostatic latent image. The desiccant is installed along the axial direction of the photoconductor.

  According to a fourth aspect of the present invention, in the packaging form of the image forming apparatus according to any one of the first to third aspects, the opening is on the side of the flange, and the cover is on the side of the opening. A protruding gripping portion is provided, and the desiccant is installed along the surface of the process cartridge and side by side with the gripping portion.

  According to a fifth aspect of the present invention, in the packaging form of the image forming apparatus according to any one of the first to fourth aspects, a paper feed tray for storing paper is provided below the process cartridge, A guide member that constitutes a part of a first transport path for transporting the paper from the paper feed tray to a second transport path provided below the process cartridge; The desiccant is installed between the two.

  According to a sixth aspect of the present invention, in the packaging form of the image forming apparatus according to the fifth aspect, the side surface provided with the cover has a manual feed opening for inserting the paper, and the guide member. The upper surface of the paper guides the paper from the manual feed opening to the second transport path.

  According to a seventh aspect of the present invention, in the packaging form of the image forming apparatus according to any one of the first to third aspects, the cover has a concave portion opened toward the cartridge side, The desiccant is installed in the recess.

  According to an eighth aspect of the present invention, in the packaging form of the image forming apparatus according to any one of the first to seventh aspects, the desiccant is connected to a belt member, and an end of the belt member is It is characterized by being exposed to the outside from a closed cover.

  According to the first aspect of the present invention, the desiccant is installed and packaged between the process cartridge inserted into the apparatus main body and the cover of the image forming apparatus. In the distribution state, it is possible to reduce the packaging material for transportation and improve the transportation efficiency, and since the desiccant is installed near the process cartridge, the dehumidifying effect of the toner can be enhanced. Moreover, a desiccant can be easily taken out by opening a cover in the case of unpacking.

  According to the invention described in claim 2, the bag-shaped desiccant is sandwiched between the process cartridge and the cover. Therefore, it is possible to suppress the movement of the desiccant during transportation of the image forming apparatus. Further, even if the image forming apparatus shakes during transportation, the desiccant serves as a cushion, so that the process cartridge can be prevented from being damaged.

  According to the third aspect of the present invention, by installing the desiccant along the axial direction of the photosensitive member, even if the gap between the process cartridge and the cover is small, the drying is performed longer in the axial direction of the photosensitive member. Agents can be installed. Thereby, the quantity which installs a desiccant can be ensured and it can suppress that a dehumidification effect falls.

  According to the fourth aspect of the present invention, since the desiccant is installed along the surface on which the grip portion is provided, it is not necessary to newly provide a space for installing the desiccant, resulting in an increase in the size of the apparatus. A desiccant can be installed without any delay.

  According to the fifth aspect of the present invention, the desiccant is installed between the guide member for conveying the paper from the paper feed tray to the process cartridge and the grip portion. Accordingly, it is not necessary to newly provide a space for installing the desiccant, and the desiccant can be installed without increasing the size of the apparatus.

  According to the sixth aspect of the present invention, the paper supplied from the manual feed opening is guided to the second transport path on the upper surface of the guide member that guides the paper supplied from the paper feed tray to the second transport path. . Accordingly, it is possible to transport the sheet from the manual opening and the paper feed tray to the second transport path without newly providing a member for guiding the manual opening.

  According to the seventh aspect of the present invention, the cover has a recess opened to the process cartridge side, and the desiccant is placed in the recess. Accordingly, it is not necessary to newly provide a space for installing the desiccant, and the desiccant can be installed without increasing the size of the apparatus.

  According to the eighth aspect of the invention, since the belt member connected to the desiccant is exposed from the cover, it can be urged that the desiccant must be taken out before using the image forming apparatus.

1 is a central sectional view of an image forming apparatus. 2 is a central sectional view of the image forming apparatus when a process cartridge is attached / detached. FIG. It is a perspective view of a process cartridge. FIG. 6 is a perspective view when the toner cartridge is attached / detached. FIG. 3 is a central cross-sectional view of the image forming apparatus according to the first embodiment when packed. It is a perspective view explaining the relationship between a sheet material, a desiccant, and a belt member with respect to a process cartridge. FIG. 3 is a cross-sectional view seen from the front direction when the image forming apparatus according to the first embodiment is packed. FIG. 10 is a central cross-sectional view of the image forming apparatus according to the second embodiment when packed.

  Next, embodiments of the present invention will be described in detail with reference to the drawings as appropriate.

<Schematic configuration of image forming apparatus>
As shown in FIG. 1, the image forming apparatus 1 includes a housing 2 in which a paper feeding unit 3 for feeding paper S, an image forming unit 4 for forming an image on the paper S, and a pre-image forming unit. A paper feed tray 5 for storing the paper S and a paper discharge tray 6 for stacking the paper S after image formation are mainly provided.

  Here, in the description of the schematic configuration of the image forming apparatus 1, the direction will be described with reference to a user who uses the image forming apparatus 1. That is, the front cover 8 side in FIG. 1 is “front”, the opposite side is “rear”, the front side of the paper is “left”, and the back side of the paper is “right”. Also, the vertical direction in FIG.

  As shown in FIG. 2, the housing 2 is provided with an opening 7 to which a process cartridge 9 described later can be attached and detached, and a front cover 8 that can open and close the opening 7 is rotatably provided. The front cover 8 is provided with a manual feed opening 10 through which the paper S can be fed to the image forming unit 4 in the front-rear direction. The manual feed opening 10 may be provided on the front surface of the housing 2 instead of the front cover 8. Further, the front cover 8 is provided with a concave cover concave portion 8 </ b> A that opens toward the inner side of the housing 2 between the upper wall of the front cover 8 and the manual feed opening 10. The cover recess 8 </ b> A extends long in the left-right direction of the image forming apparatus 1.

  Main internal components such as the image forming unit 4 including the process cartridge 9 are supported by a pair of left and right body frames 11 as mainly shown in FIG. Note that the housing 2 in a state in which various devices other than the process cartridge 9 such as the main body frame 11, the paper feeding unit 3, the exposure device 15 and the fixing device 16 described later are provided may be referred to as an “device main body” hereinafter.

  Next, the conveyance of the paper S and the image forming operation will be described in detail.

  The paper feed unit 3 includes a pickup roller 12, a separation roller 13A, a separation pad 13B, and a conveyance roller pair 14, and separates the sheets S stored in the paper feed tray 5 one by one to form an image. Transport to part 4.

  The paper feed tray 5 is installed below the process cartridge 9, and the sheet S is reversed from the paper feed tray 5 through the first transport path 20 and the second transport path 25 into a substantially U shape in side view and below the process cartridge 9. It is conveyed to. A guide member 21 is installed outside the curved portion of the substantially U shape, and at least a part of the first transport path 20 is configured by the lower surface 21A of the guide member 21.

  A guide member upper surface 21 </ b> B provided in the guide member 21 is positioned adjacent to the inner end of the manual feed opening 10 and guides the paper S inserted from the manual feed opening 10 to the image forming unit 4.

  The second conveyance path 25 is located downstream of the first conveyance path 20 in the sheet conveyance direction between the sheet conveyance surface 48 formed by the lower surface of the process cartridge 9 and the path constituting member 26 facing the sheet conveyance surface 48. It is formed continuously and connected to the nip portion between the photosensitive drum 31 and the transfer roller 33. A registration roller pair 22 is provided in the middle of the second conveyance path 25. The registration roller pair 22 includes a main body side registration roller 23 provided on the path constituting member 26 and a process side registration roller 34 provided on the lower surface of the process cartridge 9. As shown in FIG. 7, the path component 26 is formed so as to bridge between the pair of left and right main body frames 11. As will be described later, since the process cartridge 9 can be attached to and detached from the apparatus main body, the second transport path 25 is formed with the process cartridge 9 mounted on the apparatus main body, and the registration rollers 23 and 34 contact each other. Touch. When the process cartridge 9 is mounted on the apparatus main body, the process side registration rollers 34 are in contact with the main body side registration rollers 23 at a predetermined pressure by springs 24 provided on the main body frame 11 at both left and right ends.

  Between the guide member 21 and the sheet conveying surface 48, an opening portion 28 opened toward the opening portion 7 side is provided. The opening portion 28 enables the paper S inserted from the manual feed opening 10 to be supplied to the second transport path 25.

  Further, the sheet conveying surface 48 has a concave shape that is recessed upward, and an allowable space 29 for deflecting the sheet S that is aligned at the tip by the registration roller pair 22 between the sheet conveying surface 48 and the path constituting member 26. Is formed.

  The image forming unit 4 includes a process cartridge 9, an exposure device 15, and a fixing device 16.

  The exposure device 15 is disposed on the top of the housing 2. The exposure device 15 irradiates light (laser beam indicated by an arrow) based on image data toward the photosensitive drum 31.

  The process cartridge 9 is detachably inserted from the opening 7 between the exposure device 15 and the path constituting member 26 in a direction perpendicular to the axial direction of the photosensitive drum 31 described later, and a positioning portion (not shown) of the main body frame 11 is shown. Is attached at a predetermined position. The process cartridge 9 is provided with a photosensitive drum 31, a developing roller 36, a supply roller 37, a toner storage chamber 39, and the like arranged from the rear to the front. A scorotron-type charger 32, a photosensitive drum is disposed on the rear upper side of the photosensitive drum 31. A transfer roller 33 is provided below the body drum 31. The photosensitive drum 31 and the rollers 36, 37, 33 are each rotatable around an axis that is long in the left-right direction and extends in the left-right direction.

  At the time of image formation, the toner in the toner storage chamber 39 is supplied to the developing roller 36 by the supply roller 37, and is frictionally charged to the positive polarity between the supply roller 37 and the developing roller 36.

  The toner supplied to the developing roller 36 is regulated in thickness (layer thickness) by the layer thickness regulating member as the developing roller 36 rotates, and the surface (outer peripheral surface) of the developing roller 36 as a thin layer having a constant thickness. It is carried on.

  On the other hand, the surface (outer peripheral surface) of the photosensitive drum 31 is uniformly positively charged by the charger 32 as the photosensitive drum 31 rotates, and then the high speed of the laser beam (see arrow) from the exposure device 15 is obtained. It is exposed by scanning. As a result, an electrostatic latent image corresponding to the image to be formed on the paper S is formed on the surface of the photosensitive drum 31.

  The toner carried on the surface of the developing roller 36 is supplied to the electrostatic latent image formed on the surface of the photosensitive drum 31. As a result, the electrostatic latent image on the photosensitive drum 31 is visualized, and a toner image by reversal development is carried on the surface of the photosensitive drum 31.

  When the sheet S conveyed to the image forming unit 4 passes between the photosensitive drum 31 and the transfer roller 33 as indicated by a broken line, the toner image carried on the photosensitive drum 31 is Transferred onto the paper S.

  The fixing device 16 is disposed behind the process cartridge 9 and includes a heating roller 17 and a pressure roller 18 facing the heating roller 17. In the process cartridge 9, the toner image transferred onto the paper S is heat-fixed on the paper S by being heated and pressed while the paper S passes between the heating roller 17 and the pressure roller 18. .

  The sheet S on which the toner image is fixed is conveyed toward the sheet discharge roller 19 and is discharged onto the sheet discharge tray 6 provided above the exposure device 15 by the sheet discharge roller 19.

<Process cartridge configuration>
As shown in FIGS. 3 to 4, the process cartridge 9 includes a drum cartridge 40 and a toner cartridge 60, and the photosensitive drum 31 and the rollers 36, 37, and 33 are divided into both cartridges 40 and 60. To support.

  As shown in FIG. 3, the drum cartridge 40 includes a frame 43 having a generally box shape. The frame 43 is positioned on the side of the opening 7 when the process cartridge 9 is mounted in the apparatus main body, a pair of frame side walls 44 that rise up with a gap between the left and right ends of the frame lower wall 47, and the process cartridge 9. A frame front wall 45 and a frame rear wall 46 located on the opposite side of the frame front wall 45 are provided. The pair of frame side walls 44, the frame front wall 45, and the frame rear wall 46 are continuous in a frame shape in plan view.

  The pair of frame side walls 44 rotatably support the photosensitive drum 31 and the transfer roller 33 at the cartridge rear portion 42 adjacent to the frame rear wall 46. The upper end of the frame rear wall 46 extends forward so as to cover the top of the photosensitive drum 31.

  The cartridge front portion 41 located in front of the front extension end of the frame rear wall 46 is a concave toner cartridge housing portion 52 in which a portion surrounded by the pair of frame side walls 44 and the frame front wall 45 is opened upward. The toner cartridge 60 can be accommodated.

  As shown in FIG. 4, the toner cartridge 60 has an upper wall, a lower wall, a pair of side walls 64 and a front wall 62 that surround the toner storage chamber 39, and is formed in a box shape with the rear side open. The developing roller 36 and the supply roller 37 are rotatably supported by a pair of side walls 64, and a part of the developing roller 36 is exposed from a position where the rear end is opened.

  In the toner cartridge 60, the photosensitive member is urged by the urging member 51 in a state where the shaft protruding from the left and right of the developing roller 36 is inserted into the positioning portion 49 cut out so as to be close to the photosensitive drum 31 on the frame side wall 44. Pressed toward the drum 31. Accordingly, the developing roller 36 is positioned in a state where the outer periphery of the developing roller 36 is close to the outer periphery of the photosensitive drum 31. The toner cartridge 60 is held when the lock lever 50 is engaged with the protrusion 65 of the toner cartridge side wall 64 in a state where the toner cartridge 60 is fitted in the toner cartridge housing 52. When the lock lever 50 is released from the protrusion 65, the toner cartridge 60 can be removed from the toner cartridge housing portion 52.

  Note that the above-described sheet conveyance surface 48 on the process cartridge 9 side is formed on the back surface of the frame lower wall 47. The process side registration roller 34 is rotatably supported by the frame lower wall 47 with a part thereof exposed from the back surface.

  The drum cartridge 40 and the toner cartridge 60 include grip portions 53 and 63 that extend toward the opening 7 on the front walls 45 and 62, respectively. The grip portions 53 and 63 attach and detach the process cartridge 9 to and from the apparatus main body. When gripped by the user.

<Packing configuration>
In the present embodiment, the process cartridge is packaged and transported while being mounted on the image forming apparatus main body, thereby reducing the packaging material for transportation and improving the transportation efficiency.

  As shown in FIG. 5, the process cartridge 9, the sheet material 70, and the desiccant 80 are inserted into the apparatus main body at the time of packing.

  The sheet material 70 is a resin sheet made of a resin material, and is a member that holds the registration roller pair 22 in a state in which the pressure for separating or contacting each other is lowered when the image forming apparatus 1 is packed. For example, as shown in FIG. 7, when the process side registration roller 34 is a rod having a uniform diameter and the main body side registration roller 23 is partially present in the axial direction, the positions near the left and right ends of the process side registration roller 34, The sheet material 70 is inserted between the path constituent member 26 or the notch portion of the main body frame 11 continuing to the path constituent member 26. Specifically, the process cartridge 9 is mounted on the sheet material 70. Alternatively, the sheet material 70 may be disposed between the path forming member 26 and the sheet conveyance surface 48 of the process cartridge 9, avoiding the portion where the process side registration roller 34 and the main body side registration roller 23 abut. The sheet material 70 is preferably formed in a U-shape in plan view, with a pair of portions arranged at positions close to the left and right ends of the process side registration roller 34 and a portion connecting the pair of portions on the opening 7 side. ing.

  As a result, even when the packaging side is left in a high temperature environment for a long time, the pressure that biases the process side registration roller 34 toward the main body side registration roller 23 is applied to the main body frame 11 or the path constituting member 26 near the main body frame 11. Since it can be received, problems such as deformation of the contact portions of the registration rollers 23 and 34 and deformation of the path constituting member 26 are suppressed.

  The desiccant 80 is formed into a bag shape by placing a large number of granular silica gels in a breathable bag body. The silica gel contained in the bag can move freely within the bag, and the desiccant 80 can be deformed.

  In the image forming apparatus 1, the desiccant 80 is disposed between the upper surface of the guide member 21 and the grip portion 53 of the drum cartridge 40 in the up and down direction, and the front and back directions of the desiccant 80 and the frame front wall of the process cartridge 9. 45. Furthermore, the desiccant 80 is formed horizontally in the left-right direction (the axial direction of the photosensitive drum 31) along the frame front wall 45. Preferably, the length of the process cartridge 9 in the left-right direction and the right and left of the desiccant 80 are The lengths in the direction are formed to be approximately the same length.

  Since the desiccant 80 is preferably sandwiched between the process cartridge 9 and the front cover 8, even if the image forming apparatus 1 is shaken during transportation, the silica gel in the desiccant 80 moves. Thus, the impact is absorbed, and the desiccant 80 serves as a cushion. This can prevent the process cartridge 9 and the apparatus main body from being damaged.

  The sheet material 70 and the desiccant 80 are connected by a flexible belt member 75.

  As shown in FIGS. 5 and 6, the belt member 75 is connected to the vicinity of the front end of the sheet material 70, and is connected to the desiccant 80 through the permissible space 29 and the opening portion 28. The belt member 75 is provided so as to be exposed to the outside of the image forming apparatus 1 from between the front cover 8 and the housing 2 after passing through the cover recess 8A and the process cartridge 9 after passing through the front end of the desiccant 80. It has been.

  Since the belt member 75 is exposed to the outside of the image forming apparatus 1, the user can be urged to take out the sheet material 70 and the desiccant 80 before using the image forming apparatus 1.

  As described above, the image forming apparatus 1 including the desiccant 80 and the sheet material 70 as described above is almost entirely wrapped in a flexible packaging bag 91 such as vinyl chloride, and the outside thereof is further corrugated. It is covered with a packaging box 92 such as a box. In the case of the present embodiment, the packaging bag 91 is preferably one having low air permeability, whereby the drying effect in the apparatus main body by the desiccant 80 can be enhanced.

<Operational effects of this embodiment>
According to the packaging form of the image forming apparatus described above, the following operational effects can be obtained.

  In the present embodiment, in the image forming apparatus 1 in which the process cartridge 9 is packed in a state where it is mounted on the apparatus main body, a desiccant 80 is installed between the process cartridge 9 mounted on the apparatus main body and the front cover 8. When the apparatus main body and the process cartridge 9 are packaged and transported, moisture absorption of the toner in the process cartridge 9 has become a problem. By adopting this configuration, the desiccant 80 is installed at a position close to the toner. Therefore, even when the process cartridge 9 and the apparatus main body are bundled, the toner can be sufficiently maintained in a dry state.

  Further, the desiccant 80 is held between the process cartridge 9 and the front cover 8. As a result, even if the image forming apparatus 1 is shaken during transportation, the silica gel in the desiccant 80 is moved to absorb the shock caused by the shake, so that the process cartridge 9 and the apparatus main body can be prevented from being damaged.

  Further, the desiccant 80 is installed long along the axial direction of the photosensitive drum 31. Therefore, even if the distance between the process cartridge 9 and the front cover 8 is narrow, the desiccant 80 can be installed in the left-right direction of the image forming apparatus 1, so that a sufficient dehumidifying effect can be obtained.

  Further, a desiccant 80 is provided along the grip 53 provided at the front end of the process cartridge 9. Since the grip portion 53 is a member protruding from the process cartridge 9, the surrounding space may be wasted. In this configuration, the desiccant 80 is newly installed by installing the desiccant 80 in the space. Since it is not necessary to provide a space for installing 80 and a sufficient dehumidifying effect can be obtained, the image forming apparatus 1 can be downsized.

  Furthermore, a desiccant 80 is installed between the guide member upper surface 21 </ b> B provided on the guide member 21 that is a part of the first conveyance path 20 and the grip portion 53. As a result, the desiccant 80 can be installed without the need for providing a new space. Therefore, the image forming apparatus 1 can be downsized as compared with the case where a space for newly installing the desiccant 80 is provided. .

  Further, by opening the front cover 8 at the time of unpacking, the desiccant 80 can be easily taken out together with the sheet material 70, and thereby the image forming apparatus can be put into use.

<Second Embodiment>
In the first embodiment, the desiccant 80 is installed between the grip portion 53 provided in the process cartridge 9 and the guide member 21 provided in the first conveyance path 20, but FIG. 8 shows the second embodiment. As an embodiment, an embodiment in which a desiccant 81 is installed in a cover recess 8A provided in the front cover 8 will be described. In addition, since specific structures other than the installation position of a desiccant are the same as 1st Embodiment, detailed description is abbreviate | omitted.

  The desiccant 81 is accommodated in a cover recess 8 </ b> A that is opened on the front cover 8 toward the process cartridge 9, and is disposed between the grip portion 53 of the process cartridge 9 and the front cover 8. Further, the desiccant 81 is formed horizontally long in the left-right direction (the axial direction of the photosensitive drum 31) along the frame front wall 45, and preferably the length of the process cartridge 9 in the left-right direction and the left-right direction of the desiccant 81. Are formed to have substantially the same length.

  According to this configuration, by installing the desiccant 81 in the cover recess 8A provided in the front cover 8, the desiccant 81 can be installed without providing a new space in the image forming apparatus 1. The image forming apparatus 1 can be downsized.

  The sheet material 70 and the desiccant 81 are connected by a belt member 76. Since the relationship between the belt member 76, the sheet material, the desiccant, and the front cover is the same as that in the first embodiment, the description thereof is omitted.

  Further, when opening the front cover 8, the desiccant 81 can be easily taken out together with the sheet material 70 by opening the front cover 8, but only the desiccant 81 is left in the cover recess 8A when the image forming apparatus 1 is used. It may be left. In that case, the desiccant 81 can be easily replaced by opening the front cover 8.

<Other embodiments>
In the first embodiment and the second embodiment, the process cartridge 9 is attached and detached substantially in parallel with the paper transport direction in the second transport path 25, but one side of the second transport path 25 is covered. The process cartridge 9 can be attached and detached in a direction substantially perpendicular to the paper transport direction.

  In that case, the grip portion 53 is provided on the side surface of the process cartridge 9 on the cover side.

  In the first embodiment and the second embodiment, the guide member 21 guides the paper S from the manual feed opening 10 to the image forming unit 4 and guides the paper S from the paper feed tray 5 to the image forming unit 4. However, the guide member 21 that guides from the manual feed opening 10 and the guide member that guides from the paper feed tray 5 may be provided separately.

  In the first embodiment and the second embodiment, the process cartridge 9 is exemplified by the drum cartridge 40 and the toner cartridge 60 being separated, but the drum cartridge 40 and the toner cartridge 60 are integrated. Also good. Further, the process cartridge 9 contains at least toner, and in the image forming apparatus 1 in which the image forming apparatus main body has the photosensitive drum 31, the process cartridge 9 is attached to and detached from the apparatus main body. good.

  Further, in the first embodiment, the desiccant 80 is exemplified by the one in which granular silica gel is put in the bag, but the one in which the silica alumina gel, the calcium chloride processed product, quick lime, etc. are put in the bag is used. May be. Further, as the desiccant 80, a sheet-like desiccant having a thin plate shape may be used.

  The desiccants 80 and 81 are connected to each other by the sheet material 70 and the belt members 75 and 76. However, the belt members 75 and 76 may be separately provided on the desiccant 80 and 81 and the sheet material 70. The belt members 75 and 76 and the sheet material 70 may be omitted.

DESCRIPTION OF SYMBOLS 1 Image forming apparatus 2 Case 3 Paper feed part 4 Image forming part 5 Paper feed tray 6 Paper discharge tray 8 Front cover 8A Cover recessed part 9 Process cartridge 10 Manual opening 15 Exposure apparatus 16 Fixing device 20 1st conveyance path 21 Guide member 22 Registration roller pair 23 Main body side registration roller 25 Second conveyance path 26 Path component member 28 Opening portion 29 Allowable space 31 Photosensitive drum 34 Process side registration roller 36 Development roller 40 Drum cartridge 45 Front frame 48 Paper conveyance surface 49 Positioning portion 53 Grasping part 60 Toner cartridge 62 Toner storage part front wall 63 Extension part 70 Sheet material 75, 76 Belt member 80, 81 Desiccant

Claims (5)

The apparatus main body has an opening for inserting / removing a process cartridge containing image forming toner into / from the apparatus main body and a cover capable of opening / closing the opening, and the process cartridge is inserted into the box with the process cartridge inserted. In the packing form of the image forming apparatus to be packed,
The cover has a recess in which the process cartridge is opened toward the side,
In a state in which the process cartridge is inserted into the apparatus main body, and the process cartridge, the drying agent in the recess is between said cover closed state is provided an image forming apparatus according to claim Packing form.   The image forming apparatus packaging form according to claim 1, wherein the desiccant has a bag shape and is sandwiched between the process cartridge and the cover. The process cartridge is detachable in a direction perpendicular to the axial direction of the photosensitive member forming the electrostatic latent image,
The image forming apparatus according to claim 1, wherein the desiccant is installed along an axial direction of the photoconductor. The process cartridge is provided with a grip portion in which the opening portion is provided on the side of the flange, and the opening portion protrudes from the surface of the side surface of the process cartridge.
4. The image forming apparatus according to claim 1, wherein the desiccant is disposed along the surface of the process cartridge and side by side with the grip portion. 5. The drying agent is connected with the belt member, an end portion of the belt member, closed images as claimed in any one of claims 4, wherein the exposed from the cover to the outside of the state Packaging form of the forming device.

Images