Abstract: A sheet processing apparatus includes a sheet conveyor for conveying sheets; a first loader for loading a sheet bundle including a plurality of sheets conveyed by the sheet conveyor; a lateral aligner for aligning opposite side edges of the sheet bundle loaded on the first loader in a direction perpendicular to a sheet conveying direction; a stapler for performing a stapling treatment with respect to a sheet bundle aligned by the lateral aligner; a sheet bundle conveyor for conveying a sheet bundle stapled by the stapler; a second loader for loading sheet bundles conveyed by the sheet bundle conveyor; and loading position controller for loading sheet bundles to be loaded onto the second loader so that the loading positions thereof are displaced from each other along the sheet conveying direction.

Abstract: The present invention relates to a delivery processing apparatus comprising an alignment stage, an aligning means having an alignment member operable to align a sheet on the alignment stage and to escape to a home position during a non-alignment period, a conveying means for conveying the sheet on the alignment stage, a sheet processing means for performing a prescribed processing to the sheet on the alignment stage, a delivery portion for stacking the sheets and a stacking amount detecting means having a detection member selectively moving to a detection position and a non-detection position at a region overlapping an operation region of the alignment member to detect the stacking amount of the sheet delivered to the delivery portion.

Abstract: The state of post-processing operation is detected, and a drive signal is limited based on the result of detection for a predetermined period after the start of the post-processing operation (for instance by setting an upper limitation to the driving current and thereby limiting and reducing the peak value).

Abstract: The present invention relates to a delivery processing apparatus comprising an alignment stage, an aligning means having an alignment member operable to align a sheet on the alignment stage and to escape to a home position during a non-alignment period, a conveying means for conveying the sheet on the alignment stage, a sheet processing means for performing a prescribed processing to the sheet on the alignment stage, a delivery portion for stacking the sheets and a stacking amount detecting means having a detection member selectively moving to a detection position and a non-detection position at a region overlapping an operation region of the alignment member to detect the stacking amount of the sheet delivered to the delivery portion.

Abstract: A delivery processing apparatus includes an alignment stage, an aligning mechanism, including an alignment member operable to align a sheet on the alignment stage and to escape to a home position during a non-alignment period, a sheet conveyor for conveying the sheet on the alignment stage, a sheet processor for performing a prescribed processing to the sheet on the alignment stage, a delivery portion for stacking the sheets and a stacking amount detecting mechanism, including a detection member selectively moving to a detection position and a non-detection position at a region overlapping an operation region of the alignment member to detect the stacking amount of the sheet delivered to the delivery portion.

Abstract: The present invention relates to a delivery processing apparatus for delivering a sheet after implementing a prescribed sheet processing upon aligning the sheet, and includes an aligning device for aligning a sheet, a conveying device for conveying the sheet to the aligning device and a bundle delivering device disposed on an upstream side of the aligning device in a sheet conveyance direction for delivering a sheet bundle being done with a sheet processing. The bundle delivering device is able to choose a conveyable state for conveying the sheet upon nipping the sheet and a non-conveyable state for not conveying the sheet, wherein when a first sheet among a plurality of sheets to be conveyed to the aligning device by the conveying device is conveyed the conveyable state is chosen, and wherein when a second or later sheet is conveyed the non-conveyable state is chosen.

Abstract: The state of post-processing operation is detected, and a drive signal is limited based on the result of detection for a predetermined period after the start of the post-processing operation (for instance by setting an upper limitation to the driving current and thereby limiting and reducing the peak value).

Abstract: The present invention relates to a delivery processing apparatus for delivering a sheet after implementing a prescribed sheet processing upon aligning the sheet, comprising an aligning means for aligning a sheet, a conveying means for conveying the sheet to the aligning means and a bundle delivering means disposed on an upstream side of the aligning means in a sheet conveyance direction for delivering a sheet bundle done with a sheet processing. The bundle delivering means is able to choose a conveyable state for conveying the sheet upon nipping the sheet and a non-conveyance state for not conveying the sheet, and wherein when a first sheet among plural sheets to be conveyed to the aligning means by the conveying means is conveyed the conveyable state is chosen whereas when a sheet of the second or later is conveyed the non-conveying state is chosen.

Abstract: A sheet processing apparatus includes a sheet conveyor for conveying sheets; a first loader for loading a sheet bundle including a plurality of sheets conveyed by the sheet conveyor; a lateral aligner for aligning opposite side edges of the sheet bundle loaded on the first loader in a direction perpendicular to a sheet conveying direction; a stapler for performing a stapling treatment with respect to a sheet bundle aligned by the lateral aligner; a sheet bundle conveyor for conveying a sheet bundle stapled by the stapler; a second loader for loading sheet bundles conveyed by the sheet bundle conveyor; and loading position controller for loading sheet bundles to be loaded onto the second loader so that the loading positions thereof are displaced from each other along the sheet conveying direction.

Abstract: Provided are a post-processing device, an image forming apparatus having the post-processing device and an error handling method therefor. A conveyed sheet is temporarily stacked on a pair of slide guides (310, 311), and after post-processing such as stapling is conducted on the sheets, the slide guides (310, 311) are opened to drop down the sheets on a face-down discharge portion (125) on an upper surface of a printer (100). If the number of sheets temporarily stacked on the slide guides (310, 311) exceeds the post-processing possible number of sheets, the slide guides (310, 311) are opened to drop down the sheets on the face-down discharge portion (125). If the size of sheets to be post-processed is unsuitable for the post-processing, a flapper (301) is changed over so that the sheets transported from the printer main body (100) are discharged directly to the face-down discharge portion (125) and stacked thereon.

Abstract: The present invention relates to a delivery processing apparatus comprising an alignment stage, an aligning means having an alignment member operable to align a sheet on the alignment stage and to escape to a home position during a non-alignment period, a conveying means for conveying the sheet on the alignment stage, a sheet processing means for performing a prescribed processing to the sheet on the alignment stage, a delivery portion for stacking the sheets and a stacking amount detecting means having a detection member selectively moving to a detection position and a non-detection position at a region overlapping an operation region of the alignment member to detect the stacking amount of the sheet delivered to the delivery portion.

Abstract: An image formation apparatus has a controller which performs monitoring and control over a directly connected option apparatus by communicating with a controller of the directly connected option apparatus. Monitoring and control over another option apparatus that itself has a controller is performed not by the controller of the image formation apparatus but by the controller of the option apparatus close to the image formation apparatus. The image formation apparatus can keep track of the situation of a far-off option apparatus without performing direct monitoring or control thereof, by the controller of the option apparatus sending to the controller of the image formation apparatus a notice indicating the situation of the option apparatus sent from the controller of yet another option apparatus.

Abstract: Provided are a post-processing device, an image forming apparatus having the post-processing device and an error handling method therefor. A conveyed sheet is temporarily stacked on a pair of slide guides (310, 311), and after post-processing such as stapling is conducted on the sheets, the slide guides (310, 311) are opened to drop down the sheets on a face-down discharge portion (125) on an upper surface of a printer (100). If the number of sheets temporarily stacked on the slide guides (310, 311) exceeds the post-processing possible number of sheets, the slide guides (310, 311) are opened to drop down the sheets on the face-down discharge portion (125). If the size of sheets to be post-processed is unsuitable for the post-processing, a flapper (301) is changed over so that the sheets transported from the printer main body (100) are discharged directly to the face-down discharge portion (125) and stacked thereon.

Abstract: To provide an image formation apparatus with a suppressed increase of processing load on the controller of the image formation apparatus even if a plurality of option apparatuses is connected, option apparatuses of the image formation apparatus and an image formation system configured by these image formation apparatus and option apparatuses. A controller 127 of the image formation apparatus performs monitoring and control over the directly connected option apparatus by communicating with A controller 128 of the directly connected option apparatus. Monitoring and control over another option apparatus that owns a controller 129 is performed not by the controller 127 of the image formation apparatus but by the controller 128 of the option apparatus close to the image formation apparatus.