Patent application number | Description | Published |
20080246205 | SHEET PROCESSING APPARATUS AND IMAGE FORMING APPARATUS - A sheet processing apparatus for binding a sheet bundle by a binding member having a curved shape, including: a support portion configured to support, as a sheet bundle, a plurality of sheets having punch holes formed therein; an adjustment portion configured to adjust a position of each of punch holes formed in the sheet bundle so that a locus of centers of the punch holes continuing in a thickness direction of the sheet bundle supported by the support portion is aligned with the curved shape of the binding member; and an attaching portion configured to attach the binding member to the punch holes of the sheet bundle in which the position of each of the plurality of sheets is adjusted by the adjustment portion. | 10-09-2008 |
20080258371 | AFTERTREATMENT APPARATUS, AND CONTROLLING METHOD, PROGRAM AND STORAGE MEDIUM THEREFOR - Sheet thickness data obtained from the output of a sheet thickness detecting sensor are calculated to thereby calculate a sheet bundle thickness. When the sheet bundle thickness reaches a predetermined value, other aftertreatment differing from a set aftertreatment is executed. | 10-23-2008 |
20080296833 | SHEET PROCESSING APPARATUS AND CONTROL METHOD THEREFOR - A sheet processing apparatus which is capable of accurately superimposing or aligning sheets discharged from an image forming apparatus during buffering even when the space intervals between the sheets are reduced. A sheet processing apparatus sequentially receives sheets discharged from an image forming apparatus and carries out post-processing on the sheets. During execution of the post-processing on the sheets, a plurality of sheets are discharged successively from the image forming apparatus and superimposed one upon another around a buffer roller. The conveying speed of the sheets is controlled such that a conveying time period over which a sheet preceding a final one of the sheets to be superimposed one upon another around the buffer roller is conveyed over a predetermined path section is shorter than a conveying time period over which the final one is conveyed over the predetermined path section. | 12-04-2008 |
20080310876 | IMAGE FORMING SYSTEM AND MAINTENANCE EXECUTION PROGRAM - There is provided an image forming system that are capable of preventing a user or operator from forgetting to carry out a maintenance operation based on required sub-maintenance items after execution of a maintenance operation based on an associated maintenance item, such as component replacement, cleaning, or adjustment. A table of maintenance items and sub-maintenance items associated with respective ones of the maintenance items is stored in a ROM. When a CPU determines that a maintenance operation based on a selected one of the maintenance items has been completed, the CPU determines whether or not there is any sub-maintenance item associated with the selected maintenance item, by referring to the table. When it is determined that there is one or more sub-maintenance items associated with the selected maintenance item, a CPU provides control to display the sub-maintenance item or items in an operating/display unit. | 12-18-2008 |
20090103962 | SHEET PROCESSING APPARATUS AND IMAGE FORMING APPARATUS - A sheet processing apparatus includes a folding apparatus | 04-23-2009 |
20090315246 | INSERTER - The inserter including a storing unit, a sheet-feeding unit; a conveyance unit; and a controller that determines for every sheet a conveying speed of the sheet to be discharged to the downstream side device by the conveyance unit, in which the controller determines: the conveying speed of the sheet, which was discharged from the image forming apparatus, when the sheet is discharged to the downstream side device by the conveyance unit, based on the conveying speed when the inserter receives the sheet discharged from the image forming apparatus; and a conveying speed of the insert-sheet, which was fed by the sheet-feeding unit, when the insert-sheet is discharged to the downstream side device by the conveyance unit, based on a conveying speed of one of a preceding sheet and a succeeding sheet, when one of the preceding sheet and the succeeding sheet is discharged to the downstream side device. | 12-24-2009 |
20100066013 | SHEET STACKING APPARATUS, SHEET PROCESSING APPARATUS AND IMAGE FORMING APPARATUS - A recording material stacking apparatus equipped with a plurality of discharge ports and a plurality of stacking trays can be set to normal mode and large capacity stacking mode each having a different maximum loading capacity. A stacking tray on the upper side has a plurality of lower limit positions and uses a lower limit position located on the upper side when normal mode is selected. On the other hand, it uses a lower limit position located on the lower side when the large capacity stacking mode is selected. The lower limit position located below a stacking tray on the upper side when this large capacity stacking mode is selected exists at a position in which it blocks a lower discharge port of sheets. Selection of the large capacity stacking mode and normal mode is executed according to a result of computation from data input through an input portion. | 03-18-2010 |
20100226679 | IMAGE FORMING SYSTEM AND MAINTENANCE EXECUTION PROGRAM - There is provided an image forming system that are capable of preventing a user or operator from forgetting to carry out a maintenance operation based on required sub-maintenance items after execution of a maintenance operation based on an associated maintenance item, such as component replacement, cleaning, or adjustment. A table of maintenance items and sub-maintenance items associated with respective ones of the maintenance items is stored in a ROM. When a CPU determines that a maintenance operation based on a selected one of the maintenance items has been completed, the CPU determines whether or not there is any sub-maintenance item associated with the selected maintenance item, by referring to the table. When it is determined that there is one or more sub-maintenance items associated with the selected maintenance item, a CPU provides control to display the sub-maintenance item or items in an operating/display unit. | 09-09-2010 |
20100247203 | SHEET PROCESSING APPARATUS, IMAGE FORMING APPARATUS, AND IMAGE FORMING SYSTEM - A sheet processing apparatus which has a flattening processing unit which presses a folded end of a folded booklet bundle to flatten the folded end, and cutting units which cut and align edges of the booklet bundle, wherein the edges crossing the folded end of the booklet bundle are cut by the cutting unit and the folded end of the booklet is then flattened by the flattening processing unit. | 09-30-2010 |
20100314049 | SHEET PROCESSING APPARATUS AND IMAGE FORMING SYSTEM - The sheet processing apparatus includes a buffer roller to form a sheet bundle by overlapping a plurality of sheets while respectively displacing an end part of each sheet at one end of the conveying direction toward the conveying direction, a fold conveying path to fold the displaced and overlapped sheet bundle twice into three layers so that the end part at one end covers an end part at the other end and the end parts at the one end are respectively exposed, and a sealer to seal the sheet bundle by adhering the end part at the one end of the twice-folded sheet bundle to a surface of the sheet bundle with a seal. The sealer adheres all of the end parts at the one end and the surface of the sheet bundle with a seal having length longer than exposed length of the end parts at the one end. | 12-16-2010 |
20100320679 | SHEET STACKING APPARATUS - A sheet stacking apparatus includes a stack unit which includes a first stack tray and a second stack tray which can be individually elevated and is configured to stack a sheet on at least one of the first stack tray and the second tray, and a control unit configured to control the stack unit to stack the sheet in a first stack mode in which the sheet is stacked on at least one of the first stack tray and the second stack tray without being extended over the first stack tray and the second stack tray and a second stack mode in which the sheet is stacked on across the first stack tray and the second stack tray, the control unit capable of selecting the first stack mode and the second stack mode with respect to a same size sheet. | 12-23-2010 |
20110008089 | SHEET PROCESSING APPARATUS AND IMAGE FORMING SYSTEM - The present invention provides a sheet processing apparatus which includes a punch portion punching a hole at an end part of a sheet, and a push-out member discharging the sheet by pushing the end part of the sheet where the punch process is performed by the punch portion; and the push-out member discharges the sheet at a sheet discharging speed lower than a predetermined speed from the intermediate process tray in accordance with punch process information (i.e., combination of a size and a type of the sheet and number, a shape and a size of holes) that strength of a sheet end part is decreased by the punch process, and is lower than predetermined sheet strength capable of being discharged at the predetermined speed. | 01-13-2011 |
20110280643 | IMAGE FORMING APPARATUS IMPROVED IN OPERABILITY FOR PRINT JOB INVOLVING SINGLE-SIDED PRINTING AND DOUBLE-SIDED PRINTING - An image forming apparatus capable of improving productivity in a print job mixedly involving single-sided printing and double-sided printing. Sheets are fed one by one to an image forming section. When double-sided printing is to be performed, a sheet having an image formed on the first side thereof by the image forming section is re-fed thereto so as to have an image formed on the second side thereof. When a sheet for double-sided printing exists, which is posterior in page order to a sheet for single-sided printing, an image forming order is changed such that the first side of the sheet for double-sided printing is subjected to image formation prior to the sheet for single-sided printing. When it is predicted that a state will occur in which the sheet for single-sided printing cannot be fed, the image forming order is not changed. | 11-17-2011 |
20110286756 | IMAGE FORMING APPARATUS - An image forming apparatus, which forms an image on a recording medium, including: an image bearing member; a toner image forming portion configured to form a toner image on the image bearing member; a transfer device configured to transfer the toner image formed on the image bearing member to the recording medium; a fixing device configured to pressurize and heat the recording medium to which the toner image is transferred, to fix the toner image on the recording medium; and a control circuit portion configured to control a temperature of the fixing device, wherein the control circuit portion controls a temperature of the fixing device for a first recording medium considering a temperature of the fixing device for a second recording medium to be fixed after the first recording medium. | 11-24-2011 |
20120007302 | INSERTER - The inserter including a storing unit, a sheet-feeding unit; a conveyance unit; and a controller that determines for every sheet a conveying speed of the sheet to be discharged to the downstream side device by the conveyance unit, in which the controller determines: the conveying speed of the sheet, which was discharged from the image forming apparatus, when the sheet is discharged to the downstream side device by the conveyance unit, based on the conveying speed when the inserter receives the sheet discharged from the image forming apparatus; and a conveying speed of the insert-sheet, which was fed by the sheet-feeding unit, when the insert-sheet is discharged to the downstream side device by the conveyance unit, based on a conveying speed of one of a preceding sheet and a succeeding sheet, when one of the preceding sheet and the succeeding sheet is discharged to the downstream side device. | 01-12-2012 |
20120070250 | IMAGE FORMING APPARATUS THAT SUPPLIES SHEET ON WHICH IMAGE IS FORMED TO RING BOOKBINDING APPARATUS - An image forming apparatus that enables to execute a bookbinding process for sheet bundles without decreasing productivity. The image forming apparatus is connected to a bookbinding apparatus having a bookbinding unit that binds a book by attaching a ring to a punch hole and a buffer unit that performs a buffering process to convey sheets in piles so that sheets for a next sheet bundle are not ejected onto a sheet bundle that is being processed by the bookbinding unit. A determination unit determines whether a sheet is a type that is prohibited from buffering. A control unit adjusts an ejection order so that the sheet of the type that is prohibited from buffering is not ejected within the predetermined number of sheets from the first sheet of sheets that constitute the sheet bundle, when the determination unit determines that the sheet is the type that is prohibited from buffering. | 03-22-2012 |
20120206764 | IMAGE FORMING SYSTEM AND PRINTER CONTROLLER - An image forming system includes a first image forming apparatus, a second image forming apparatus disposed upstream in a sheet conveying direction and connected to the first image forming apparatus, and a post-processing apparatus that receives a sheet at a speed depending on a conveyance speed of a sheet discharged from the first image forming apparatus and that performs post-processing on the sheet. When a print job including a simplex image forming mode and a duplex image forming mode is to be executed, in the simplex image forming mode, a sheet is discharged in a reversed state to the post-processing apparatus. In the duplex image forming mode, the second image forming apparatus forms an image on a back side of a sheet, the first image forming apparatus forms an image on a front side of the sheet, and the sheet is discharged in a reversed state to the post-processing apparatus. | 08-16-2012 |
20130202338 | IMAGE FORMING APPARATUS IMPROVED IN OPERABILITY FOR PRINT JOB INVOLVING SINGLE-SIDED PRINTING AND DOUBLE-SIDED PRINTING - An image forming apparatus capable of improving productivity in a print job mixedly involving single-sided printing and double-sided printing. Sheets are fed one by one to an image forming section. When double-sided printing is to be performed, a sheet having an image formed on the first side thereof by the image forming section is re-fed thereto so as to have an image formed on the second side thereof. When a sheet for double-sided printing exists, which is posterior in page order to a sheet for single-sided printing, an image forming order is changed such that the first side of the sheet for double-sided printing is subjected to image formation prior to the sheet for single-sided printing. When it is predicted that a state will occur in which the sheet for single-sided printing cannot be fed, the image forming order is not changed. | 08-08-2013 |
20130220091 | SHEET PROCESSING APPARATUS AND IMAGE FORMING SYSTEM - A sheet processing apparatus includes a punch portion punching a hole at an end part of a sheet, and a push-out member discharging the sheet by pushing the end part of the sheet where the punch process is performed by the punch portion. The push-out member discharges the sheet at a sheet discharging speed lower than a predetermined speed from the intermediate process tray in accordance with punch process information (i.e., combination of a size and a type of the sheet and number, a shape and a size of holes) that strength of a sheet end part is decreased by the punch process, and is lower than predetermined sheet strength capable of being discharged at the predetermined speed. | 08-29-2013 |
20130324387 | SHEET PROCESSING APPARATUS, IMAGE FORMING APPARATUS, AND IMAGE FORMING SYSTEM - A sheet processing apparatus which has a flattening processing unit which presses a folded end of a folded booklet bundle to flatten the folded end, and cutting units which cut and align edges of the booklet bundle, wherein the edges crossing the folded end of the booklet bundle are cut by the cutting unit and the folded end of the booklet is then flattened by the flattening processing unit. | 12-05-2013 |
20140020533 | SHEET PROCESSING APPARATUS AND IMAGE FORMING SYSTEM - The present invention provides a sheet processing apparatus which includes a punch portion punching a hole at an end part of a sheet, and a push-out member discharging the sheet by pushing the end part of the sheet where the punch process is performed by the punch portion; and the push-out member discharges the sheet at a sheet discharging speed lower than a predetermined speed from the intermediate process tray in accordance with punch process information (i.e., combination of a size and a type of the sheet and number, a shape and a size of holes) that strength of a sheet end part is decreased by the punch process, and is lower than predetermined sheet strength capable of being discharged at the predetermined speed. | 01-23-2014 |