Abstract: An image forming apparatus is provided with an image forming section to form an image on a sheet and to discharge the sheet on which the image is formed; a stacking section to stack the sheet discharged from the image forming section; a setting section to set a condition whether or not to allow a mixed stack mode on which plural sheets related to at least two different jobs are mixed and stacked in the stacking section; and a discharge control section to control the image forming section to discharge the sheet to the stacking section in accordance with the setting condition whether or not to allow the mixed stack mode.

Abstract: An image forming apparatus includes: a document conveyance section for conveying a document of a document bundle to a document reading position; a reading section for reading the document in the document bundle to obtain image data of the document; a designation section for designating to read a first document of the document bundle as a document with a tab; and a reading control section for controlling the reading section to read image data for a whole document area of the first document including a tab potion, when designated by the designation section.

Abstract: An image forming system includes an input unit for input of setting information, an image forming unit, a conveying unit, a control unit, and a jam detecting unit, wherein a set of a plurality of different kinds of special sheets disposed in a predetermined order is used. When occurrence of a jam is detected by the jam detecting unit, the control unit recognizes whether a special sheet having been fed is present in the image forming system, and if it is recognized that a special sheet is present in the image forming system, the control unit controls the conveying unit, after the jam being released, to eject a special sheet or sheets as unnecessary up to one that is disposed preceding a special sheet that is of the same kind as a most front one that was present in the image forming system at the time of the occurrence of the jam.

Abstract: An image forming apparatus for forming an image based on image information on a recording medium, including: a storage section for storing print conditions for each of a plurality of pages of image information; a print condition setting section for setting print conditions in accordance with the print conditions stored in the storage section; a preprint section for preprinting in conformity to the print conditions having been set; an input section for inputting contents of a change in print condition for the page to be changed, selected from a plurality of pages after the preprinting; and a change section for changing the setting of the print conditions for the selected page to be changed, based on the contents of the change.

Abstract: An image forming apparatus for forming an image on a recording sheet whose area is larger than that of a predetermined size-fixed recording sheet, comprises an image forming member for forming an image on the recording sheet; a sheet feeder to feed the recording sheet to the image forming member; a controller to control the image forming member so as to form an image on the recording sheet such that a first central point of the recording sheet defined in terms of a main scanning direction perpendicular to a feeding direction of the recording sheet by the sheet feeder is placed on a first center line of the image, wherein the first center line is perpendicular to the main scanning direction, and one side of the image is parallel to one side of the recording sheet.

Abstract: An image forming apparatus is provided with an image forming section to form an image on a sheet and to discharge the sheet on which the image is formed; a stacking section to stack the sheet discharged from the image forming section; a setting section to set a condition whether or not to allow a mixed stack mode on which plural sheets related to at least two different jobs are mixed and stacked in the stacking section; and a discharge control section to control the image forming section to discharge the sheet to the stacking section in accordance with the setting condition whether or not to allow the mixed stack mode.

Abstract: An image forming apparatus is provided which is capable of forming images on recording materials of various types and sizes. The image forming apparatus includes a storing member for storing recording materials having an arbitrary size, a size-information input device for inputting size information corresponding to the arbitrary size of the recording materials, and a controller for controlling an image forming operation according to the size information inputted by the size-information input device. The size information input by the size-information input device includes each of arbitrary values corresponding to longitudinal and lateral lengths of the recording materials.

Abstract: According to this invention, there is provided an image printing system which causes a plurality of image printing apparatuses to share and concurrently process an image printing job for outputting a plurality of prints based on image printing conditions and image information supplied from an information processing apparatus. In the image printing system of the invention, each of the image printing apparatuses interactively connected to each other has a proof/wait selection function of selecting a proof mode of outputting a single print or a wait mode of displaying image printing conditions and waiting. A master machine to which image printing conditions and image information are supplied from an information processing apparatus executes image printing operation in the proof mode or wait mode, and transfers the image printing conditions and image information to another image printing apparatus.

Abstract: An image forming apparatus is provided which is capable of forming images on recording materials of various types and sizes. The image forming apparatus includes a storing member for storing recording materials having an arbitrary size, a size-information input device for inputting size information corresponding to the arbitrary size of the recording materials, and a controller for controlling an image forming operation according to the size information inputted by the size-information input device. The size information input by the size-information input device includes each of arbitrary values corresponding to longitudinal and lateral lengths of the recording materials.

Abstract: An image reading apparatus includes: a detecting section for detecting a size of an original sheet; an image reading section for reading an image described in the original sheet; and a storage medium for storing the read image which is read by the image reading section; wherein before the size of the original sheet is detected by the detecting section, the image reading section reads the image to store the read image in the storage medium; and after the size of the original sheet is detected by the detecting section, a size of the stored image which is stored in the storage medium is changed in accordance with the detected size of the original sheet, which is detected by the detecting section.

Abstract: An image forming apparatus is provided which is capable of forming images on recording materials of various types and sizes. The image forming apparatus includes a storing member for storing recording materials having an arbitrary size, a size-information input device for inputting size information corresponding to the arbitrary size of the recording materials, and a controller for controlling an image forming operation according to the size information inputted by the size-information input device. The size information input by the size-information input device includes each of arbitrary values corresponding to longitudinal and lateral lengths of the recording materials.

Abstract: An image forming apparatus is provided which is capable of forming images on recording materials of various types and sizes. The image forming apparatus includes a storing member for storing recording materials having an arbitrary size, a size-information input device for inputting size information corresponding to the arbitrary size of the recording materials, and a controller for controlling the image forming operation according to the size information inputted by the size-information input device. The size information input by the size-information input device includes each of arbitrary values corresponding to longitudinal and lateral lengths of the recording materials.

Abstract: An image reading apparatus includes: a detecting section for detecting a size of an original sheet; an image reading section for reading an image described in the original sheet; and a storage medium for storing the read image which is read by the image reading section; wherein before the size of the original sheet is detected by the detecting section, the image reading section reads the image to store the read image in the storage medium; and after the size of the original sheet is detected by the detecting section, a size of the stored image which is stored in the storage medium is changed in accordance with the detected size of the original sheet, which is detected by the detecting section.

Abstract: The invention concerns an image forming apparatus provided with an automatic writing-position determining device for forming an image always at a correct position on the recording material. The image forming apparatus includes an image forming section to form an image by writing each of scanning lines, an end position detecting section to detect an end position of a recording material in a direction orthogonal to a conveyance direction of the recording material, and a selecting section to select either an automatic writing-position determining mode or a predetermined writing-position determining mode. When the selecting section selects the automatic writing-position determining mode, the image forming section commences an image writing action from a writing start position determined on the basis of a detected result of the end position detecting device.

Abstract: An image forming apparatus, comprises an image information receiving section to receive image information including image data and setting data indicating a control condition at the time of an image formation; a first storing section to store temporarily the image information received by the image information receiving section as one of a plurality of JOB data; an image forming section to form an image based on the image information stored in the first storing section; a second storing section to store image information corresponding to specific JOB data among the image information received by the image information receiving section; a selecting section to select JOB data to be combined from the plurality of JOB data stored in the second storing section; a judging section to judge the propriety of the JOB data selected by the selecting section based on the content of the setting data of the selected JOB data; and a control section to combine a plurality of JOB data judged as being selectable by the judging se

Abstract: An image forming apparatus for forming an image on a recording sheet whose area is larger than that of a predetermined size-fixed recording sheet, comprises an image forming member for forming an image on the recording sheet; a sheet feeder to feed the recording sheet to the image forming member; a controller to control the image forming member so as to form an image on the recording sheet such that a first central point of the recording sheet defined in terms of a main scanning direction perpendicular to a feeding direction of the recording sheet feeder is placed on a first center line of the image, wherein the first center line is perpendicular to the main direction, and one side of the image is parallel to one side of the recording sheet.

Abstract: The present invention concerns an image forming apparatus, wherein workability in forming images on recording materials in various types and sizes has been improved. The image forming apparatus includes a storing member for storing recording materials having an arbitrary size; a first input device for inputting size information corresponding to the arbitrary size of the recording materials; and a controller for controlling an image forming operation according to the size information inputted by the first input device. The size information includes regular size information and non-regular size information.

Abstract: An image forming apparatus is provided with a plurality of storing units for storing respective recording materials of various sizes; a plurality of feeding members for feeding out the recording materials from each of the storing units; a conveyance path along which the recording materials being fed out by each of the feeding members are conveyed; a plurality of conveying members for conveying the recording materials along the conveyance path; an image forming section for forming an image on the recording materials conveyed along the conveyance path; and a plurality of first regulators provided at respective predetermined positions with respect to corresponding ones of each of the storing units for regulating at least a maximum size of the various sizes of the recording materials while at least at a part of each of the recording materials is fed out from the respective corresponding storing units.

Abstract: An image recording apparatus, such as a copier or a printer which is capable of connecting with another recording apparatus, includes: a memory for storing image data corresponding to plural document pages; a mode selector for selecting one of a master mode in which the image data, stored in the memory, are transferred to the other image recording apparatus, and a slave mode in which the image recording apparatus receives image data transmitted from the other image recording apparatus; and a transmission/receiving controller for controlling transmitting and receiving of the image data according to the selection of one of the master and the slave modes. In the apparatus, the image data transmitted from the other image recording apparatus are stored in the memory and the image corresponding to the image data stored in memory is recorded on a recording paper. The recording operation is independent from an operation of the other image recording apparatus when the slave mode is selected.

Abstract: An image forming apparatus having a first mode for image forming at a first recorded pixel density and a second mode for image forming at a second recorded pixel density that is higher than that in the first mode, includes: a selector for selecting either the first mode or the second mode; a fixing unit having a temperature detecting sensor to detect a temperature of the fixing unit; and a controller for changing a temperature condition to be set for the fixing unit in accordance with a change between the first recorded pixel density and the second recorded pixel density selected by the selector.