Abstract: An image forming apparatus capable of forming an image on a perforated sheet includes an image forming portion for forming a toner image on a sheet, an image processing portion for performing image processing, on image data acquired, which is at least either one of screen processing and error diffusion processing, and a controller for controlling the image processing portion to form the toner image on the basis of the image data processed by the image processing portion. In a case that the sheet on which the toner image is to be formed is the perforated sheet, the image processing portion performs the error diffusion processing on the image data acquired.

Abstract: An image forming apparatus capable of forming an image on a perforated sheet includes an image forming portion for forming a toner image with toner of a plurality of colors, an image processing portion for performing image processing on image data acquired, and a controller for controlling the image processing portion to form the toner image on the basis of the image data processed by the image processing portion. In a case that a sheet on which the toner image is to be formed is the perforated sheet, the image processing portion performs the image processing so that black image data is formed as image data of process black with the toner of the plurality of colors by the image forming portion.

Abstract: An image forming system includes an image forming apparatus, a varnish applying apparatus, an input unit, a first image processing unit, and a second image processing unit. The image forming apparatus forms a toner image on a recording material on the basis of image data obtained by subjecting first image data to data change processing. The varnish applying apparatus forms a varnish image on the recording material on the basis of image data obtained by subjecting second image data to the data change processing.

Abstract: An image forming system includes an image forming unit, a varnish applying unit, a conveying unit, an irradiation unit, and a controller. The controller controls conveyance of a recording material so that a conveying speed of the recording material in a case that varnish is applied to the recording material with a toner image is formed is slower than a conveying speed of the recording material in a case that varnish is applied to the recording material with no toner image. The controller controls irradiation of the varnish with light so that intensity of the light with which the varnish is irradiated in a case that the varnish is applied to the recording material with the toner image is lower than intensity of the light with which the varnish is irradiated in a case that the varnish is applied to the recording material with no toner image.

Abstract: An image forming apparatus for forming a toner image on a sheet subjected to perforation processing, wherein the sheet includes a projected portion generating at a periphery of a hole formed by the perforation processing, the image forming includes a stacking potien-portion on which the sheet is stacked, a feeding path along which the sheet stacked on the stacking portion is fed, an image forming unit configured to form the toner image on an image bearing member, a transfer unit configured to transfer the toner image from the image bearing member onto the sheet fed to the feeding path, and a display configured to display guidance on a placing direction of the sheet depending on a surface where the projected portion of the sheet to be placed on the stacking portion generates.

Abstract: An image forming system includes an image forming unit, a varnish applying unit, a conveying unit, an irradiation unit, and a controller. The controller controls conveyance of a recording material so that a conveying speed of the recording material in a case that varnish is applied to the recording material with a toner image is formed is slower than a conveying speed of the recording material in a case that varnish is applied to the recording material with no toner image. The controller controls irradiation of the varnish with light so that intensity of the light with which the varnish is irradiated in a case that the varnish is applied to the recording material with the toner image is lower than intensity of the light with which the varnish is irradiated in a case that the varnish is applied to the recording material with no toner image.

Abstract: An image forming system includes an image forming apparatus including a fixing unit, a folding processing portion, and a pressure-bonding portion. A first recording material having a first basis weight is fixed at a first temperature by the fixing unit and then is pressure-bonded by the pressure-bonding portion after a lapse of a first period. A second recording material having a second basis weight is fixed at a second temperature by the fixing unit and then is pressure-bonded by the pressure-bonding portion after a lapse of a second period. The second basis weight is larger than the first basis weight. The second temperature is higher than the first temperature. The second period is longer than the first period.

Abstract: An image forming system includes an image forming apparatus including a stacking portion capable of stacking a recording material having an adhesive region in which an adhesive is applied onto a surface of the recording material, an image forming unit for forming an image on the recording material, and a fixing portion for fixing the image formed on the recording material; a pressure-bonding processing apparatus including a folding processing portion for folding the recording material fed from the image forming apparatus, and a pressure-bonding portion capable of pressure-bonding the recording material folded by the folding processing portion under pressure application; an inputting portion capable of inputting directions of a front surface and a back surface of the recording material stacked on the stacking portion; and a displaying portion for displaying a pressure-bonding printed matter, on which the image is formed, depending on a result inputted by the inputting portion.

Abstract: An image forming system includes an image forming apparatus including a stacking portion, an image forming unit, and a fixing portion; a pressure-bonding processing apparatus including a folding processing portion, and a pressure-bonding portion; an inputting portion capable of inputting directions of a front surface and a back surface of the recording material stacked on the stacking portion; and a displaying portion for displaying a message indicating that a pressure-bonding printed matter is not properly prepared in a case that directions of the front surface and the back surface of the recording material inputted by the inputting portion are different from directions of the front surface and the back surface of the recording material in which the pressure-bonding printed matter is capable of being properly prepared.

Abstract: An image forming system includes an image forming apparatus, a pressure-bonding processing apparatus, an inputting portion, and a controller. The controller changes, in a case that directions of a front surface and a back surface of a recording material inputting portion and different from the directions of the front surface and the back surface in which a pressure-bonding printed matter is capable of being properly prepared, an image formation order of image forming data to an order in which the pressure-bonding printed matter is capable of being properly prepared in the directions of the front surface and the back surface of the recording material inputted by the inputting portion.

Abstract: An image forming system includes an image forming apparatus, a pressure-bonding processing apparatus, an inputting portion, and a display portion. The displaying portion displays a pressure-bonding printed matter prepared by changing directions of a front surface and a back surface of the recording material in a case that the directions of the front surface and the back surface of the recording material inputted by the inputting portion are different from directions of the front surface and the back surface of the recording material when the pressure-bonding printed matter is capable of being properly prepared.

Abstract: An image forming system includes an image forming apparatus including a fixing unit, a folding processing portion, and a pressure-bonding portion. A first recording material having a first basis weight is fixed at a first temperature by the fixing unit and then is pressure-bonded by the pressure-bonding portion after a lapse of a first period. A second recording material having a second basis weight is fixed at a second temperature by the fixing unit and then is pressure-bonded by the pressure-bonding portion after a lapse of a second period. The second basis weight is larger than the first basis weight. The second temperature is higher than the first temperature. The second period is longer than the first period.

Abstract: An image forming system includes an image forming apparatus including an image forming unit and a fixing unit; a folding processing portion; a pressure-bonding portion; and an input portion capable of selecting a pressure-bonding mode in which a pressure-bonding print prepared by subjecting the recording material to pressure-bonding processing by the folding processing portion and the pressure-bonding portion and capable of selecting a layout of the toner image formed on the recording material. When the pressure-bonding mode is selected, the layout depending on the pressure-bonding mode is selected.

Abstract: An image forming apparatus includes an image forming unit, a fixing unit, a varnish coater, and a controller. When a first image forming job in which a toner image is formed to a first recording material and varnish is not applied is executed, the controller controls conveyance of the first recording material at a fixing nip portion such that a conveyance speed of the first recording material at the fixing nip portion is a first conveyance speed. When a second image forming job in which a toner image is formed to a second recording material of which a grammage is the same as a grammage of the first recording material and varnish is applied is executed, the controller controls conveyance of the second recording material at the fixing nip portion such that the second recording material is conveyed at a second conveyance speed faster than the first conveyance speed.

Abstract: An image forming system includes an image forming apparatus, a fixing device, a varnish image forming apparatus, an image reading portion, and a controller. The controller corrects first image data depending on first detection image data on a toner image formed on a first recording material and read by the image reading portion, and then depending on the corrected first image data, a toner image is formed on a second recording material subsequent to the first recording material. The controller corrects second image data depending on second detection image data on a varnish image read by the image reading portion, and then depending on the corrected second image data, a varnish image is formed on the second recording material.

Abstract: An image forming system includes an image forming apparatus, a varnish applying apparatus, and a controller. A toner image formed on a recording material by the image forming apparatus on the basis of inputted first image data is a first toner image, and an image formed on the recording material by the varnish applying apparatus on the basis of inputted second image data is a varnish image. In a case that the varnish image is formed in a non-image region where the first toner image is not formed, before the varnish image is formed, a second toner image is formed with monochromatic toner by the image forming apparatus on a portion of the non-image region where the varnish image is formed.

Abstract: An image forming system including an image forming apparatus, a varnish applying apparatus, an input unit, a first image processing unit, and a second image processing unit. The image forming apparatus forms a toner image on a recording material on the basis of image data obtained by subjecting first image data to data change processing. The varnish applying apparatus forms a varnish image on the recording material on the basis of image data obtained by subjecting second image data to the data change processing.

Abstract: An image forming system includes an image forming unit including a first photosensitive member, a first developing unit, a second photosensitive member, a second developing unit, a third photosensitive member, a third developing unit, a fourth photosensitive member, and a fourth developing unit, a varnish applying unit; an irradiation unit; and a controller configured to control image formation by the image forming unit to form a black image, on which the varnish is superimposed, with the yellow toner, the magenta toner, and the cyan toner.

Abstract: An image forming system includes an image forming unit, a varnish applying unit, a conveying unit, an irradiation unit, and a controller. The controller controls conveyance of a recording material so that a conveying speed of the recording material in a case that varnish is applied to the recording material with a toner image is formed is slower than a conveying speed of the recording material in a case that varnish is applied to the recording material with no toner image. The controller controls irradiation of the varnish with light so that intensity of the light with which the varnish is irradiated in a case that the varnish is applied to the recording material with the toner image is lower than intensity of the light with which the varnish is irradiated in a case that the varnish is applied to the recording material with no toner image.

Abstract: An image forming system includes an image forming apparatus, a varnish application apparatus, and a controller. When the image forming apparatus is in a standby state and preheating of varnish in a tank by a heater is completed, if an image forming job of forming a toner image on a first recording material and applying varnish thereto by a varnish coater is received, the controller controls a guide member to guide the first recording material to a first conveyance path. When the image forming apparatus is in a standby state and preheating of varnish in the tank by the heater is not completed, if an image forming job of forming a toner image on a second recording material and not applying varnish thereto by the varnish coater is received, the controller controls the guide member to guide the second recording material to a second conveyance path.