Konica Minolta, Inc.

Hitachi-lg Data Storage, Inc.

Konica Minolta Business Technologies, Inc.

Hitachi, Ltd.

Masahiro Matsuo

Ikuo Nishida

Takahiro Okubo

Yoshiteru Kawakami

Motoki Nakamichi

Kyoichi Mizuno

Makoto Ui

Ken Miyazaki

Kunihiro Kawachi

Yoichi Narui

Takayuki Fujimoto

Kenji Watabe

Nobuyuki Isoshima

Ken Nonaka

Shingo Sasami

Yusuke Kawanago

Akihiko Kakita

Osamu Yoshimura

Yukinobu Abe

Kohei Takita

Tarou Miyamoto

Goshi Shiroishi

Haruki Motegi

An image forming apparatus includes: a first hardware processor that, when receiving an execution command of a job related to formation of an image on a continuous recording medium, calculates a consumption amount of a recording agent on a basis of information of the job; and a second hardware processor that determines whether the recording agent is sufficient on a basis of the consumption amount, wherein in a case where the second hardware processor determines that the recording agent is insufficient, a notification that the recording agent is insufficient is made.

Image forming apparatus and image forming method

An image forming apparatus connectable to a post-processing apparatus via a carriage path for carrying continuous paper includes: a hardware processor that accepts a stop position of the continuous paper on the carriage path; a carrier that carries the continuous paper along the carriage path; an image former that forms an image on the continuous paper; a fuser that heats and presses the continuous paper passing through a nip portion formed by pressing bodies of revolution against each other to fix the image; and the hardware processor that switches between first control that, after the last image among the images formed on the continuous paper passes the fuser, stops carriage of the continuous paper and then separates the pressed bodies of revolution, and second control that separates the pressed bodies of revolution and then stops the carriage of the continuous paper, on the basis of the accepted stop position.

Image forming apparatus, image forming system, image forming method, and image forming apparatus-specific program

An image forming apparatus includes an image former, an informing unit, and a hardware processor. The image former prints an image on continuous paper by: forming an electrostatic latent image on an image holder based on image information of a job; developing the electrostatic latent image with toner, thereby forming a toner image on the image holder; and transferring the toner image onto the continuous paper. Based on the image information of the job, the hardware processor calculates a coverage of the image to be printed on the continuous paper. Based on the calculated coverage, the hardware processor determines a continuously printable distance on the continuous paper. The hardware processor causes the informing unit to inform a user of the continuously printable distance before the image former starts the printing.

Image forming apparatus

An image forming apparatus includes: a conveyer that conveys continuous paper; an image creator that outputs an image onto the continuous paper, a heat source that imparts heat to the continuous paper; and a hardware processor that controls a printing action for forming an image on the continuous paper conveyed in a forward direction by the conveyer, using the image creator and the heat source, wherein when interrupting the printing action, the hardware processor performs withdrawal control in which the continuous paper is conveyed in a reverse direction such that a final image formed on the continuous paper before interruption of the printing action reaches a withdrawal position defined upstream of the heat source in the forward direction.

Image forming apparatus, image forming system, control method for image forming apparatus, and program

An image forming apparatus includes: a print job acquisitor that acquires a print job; a hardware processor that calculates, before starting printing based on the print job, a distance in a paper conveying direction in which the printing is continuously executed, and in a case where the distance is equal to or greater than a predetermined distance, allows a user to select at least one image as a print image out of a first image generated on the basis of the print job and a second image different from the first image; and a printing part that prints the print image selected by the user on paper.

Image forming apparatus for continuously executed printing and control program

An image forming apparatus that forms an image on a long paper sheet conveyed along a conveyance path extending from a paper feeding side to a paper discharging side includes: an image forming unit configured to transfer a toner image onto the long paper sheet; a fixing unit configured to fix the toner image onto the long paper sheet; a paper existence determining unit configured to determine whether the long paper sheet exists along the conveyance path; a temperature determining unit configured to determine whether a fixing temperature of the fixing unit is equal to or lower than a predetermined temperature when the paper existence determining unit determines that the long paper sheet exists along the conveyance path; and a state setting unit configured to disable a fixing operation of the fixing unit when the temperature determining unit determines that the fixing temperature is higher than the predetermined temperature.

Image forming apparatus with selectable disabling of fixing operation

An image-forming apparatus forms an image on a roll sheet. A printer receives the roll sheet, forms the image thereon and ejects the image-formed roll sheet to a reel. A sheet position sensor, which is positioned near the printer, measures a position of the roll sheet along a width direction thereof. A control portion receives positional measurement data about the position of the roll sheet along the width direction thereof from the sheet position sensor and controls at least one of start time of image-forming operation in the printer and an image-writing position of the printer by settling at least one of the start time of image-forming operation and the image-writing position based on the positional measurement data.

Image-forming apparatus that forms an image on a sheet of continuous recording medium

An image forming apparatus includes: an image forming section that electrophotographically forms an image on a sheet; and a sheet feeding path including a first sheet feeding path that conveys a sheet to the image forming section, and a second sheet feeding path provided continuously with the first sheet feeding path. Unjamming is allowed to be performed by separating the apparatus at a boundary between the first sheet feeding path and the second sheet feeding path, and by pulling out the first sheet feeding path. The apparatus further includes: a jam detection section that detects an occurrence of a jam in the sheet feeding path; and a jam clearing section that determines a procedure for unjamming in accordance with a state of a sheet on the sheet feeding path when a jam occurs, and the jam clearing section makes a request to perform unjamming according to a determined procedure.

An image forming apparatus includes a sheet conveyance unit which conveys a long sheet having such a length as to extend at least from a sheet feed opening to a sheet output opening of an apparatus body, an image forming unit which transfers a toner image onto the sheet, a fixing unit including a heater to fix the transferred toner image, a temperature detector which detects a temperature of the fixing unit, and a control unit which controls the sheet conveyance unit in such a way that, when the front edge of the sheet is to be conveyed from the sheet feed opening to the sheet output opening with no toner image transferred onto the sheet, the front edge is prohibited from being conveyed into the fixing unit if the temperature of the fixing unit is higher than a first predetermined temperature.

An improved image forming apparatus is described in which, even when a conveyance unit is switched from a pressure engaged state to a disengaged state, misalignment of a sheet during conveyance can be inhibited. A control unit conveys a sheet between a transfer unit and paper stop rollers, while forming a loop of the sheet therebetween, by setting the speed of conveying the sheet passing between the paper stop rollers to be higher than the speed of conveying the sheet passing through the transfer unit. In addition to this, when the pair of rollers serving as the paper stop rollers are switched from a pressure engaged state to a disengaged state, the paper stop rollers are controlled to reduce the speed of conveying the sheet therethrough in advance of this switching operation.

An image forming apparatus acquires an amount of deflection of the transporting sheet from a reference position thereof and calculates a required shift amount of the sheet. It determines whether or not the sheet is shifted frontward. If so, the image forming apparatus acquires a second specified shift value which is determined based on an urging force and the required shift amount using a second correction equation. Alternatively, if the sheet is shifted backward, the image forming apparatus acquires a first specified shift value which is determined based on the urging force and the required shift amount using a first correction equation. The image forming apparatus performs a registration roller shift correction based on the acquired first or second specified shift value.

Image forming apparatus with width-wise sheet shifting mechanism

A sheet de-curling device: including a first de-curling roller, structured of a round axial shaft and a long bar-shaped member, wherein the long bar-shaped member is spiraled on the round axial shaft clockwise from a predetermined portion of a center of the round axial shaft toward a left end of the round axial shaft, and counterclockwise from the predetermined portion of the center of the round axial shaft toward a right end of the round axial shaft with the same spiraling pitch; a second de-curling roller, structured of a round axial shaft and a long bar-shaped member, wherein the long bar-shaped member is spiraled on the round axial shaft in opposite spiraling directions against the first de-curling roller; and a driving mechanism which rotates the paired first and second de-curling rollers.

Recording sheet de-curling device and image forming apparatus using the same

A sheet conveyance device to convey a sheet which is stored within a sheet storing section, including: a plurality of sheet conveyance rollers, mounted on a sheet storing section, to be parallel to each other with respect to rotating centers, wherein the plurality of the sheet conveyance rollers come into contact with the sheet to convey the sheet toward an exterior of the sheet conveyance device; and a coupling section to couple the plurality of the sheet conveyance rollers and to rotate the plurality of the sheet conveyance rollers, wherein at least one of the plurality of the sheet conveyance rollers represents an irregularly shaped roller, wherein the irregularly shaped roller is coupled to another sheet conveyance roller by the coupling section, and wherein a distance between a rotation center and a peripheral surface of the irregularly shaped roller is inconstant, in a rotational direction of the irregularly shaped roller.

Sheet conveyance device and image forming apparatus using the same device

An optical disc drive includes a rotation device that rotates an optical disc in a clockwise direction when an upper surface of the optical disc is viewed, a disc mounting portion for mounting of the optical disc thereon has a recess portion, and an optical pickup which irradiates a laser beam on a lower recording surface of the optical disc. The disc mounting portion includes a first penetrating opening portion therethrough that extends from a center area of the recess portion to a periphery of the recess portion. The disc mounting portion further includes a single second penetrating opening portion therethrough being provided at a rear of the disc mounting portion and periphery at an upstream side of the clockwise rotating direction with respect to a center line of the first penetrating opening portion extending from a front to the rear of the disc mounting portion.

Tray enabling optical unit heat reduction

The invention provides a disc device capable of offering good SATA interface performance by optimizing the placement of the SATA connector relative to the control board, solving problems concerning noise or unnecessary radiation. A driver IC and DSP for executing main processing concerning disc recording or reproduction processing are installed in a main printed circuit board. A SATA connector having a power supply terminal and signal terminal is fixed to the main printed circuit board. The SATA connector is placed on the board opposite the DSP. Patterns each connecting the power supply terminal to the driver IC and connecting the signal terminal and DSP are formed on the board. The SATA connector and DSP are placed on the driver IC side relative to the central line of the board, the power supply terminal is placed on the driver IC side, and the signal terminal is placed on the DSP side.

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Kokubunji, Japan

Masahiro Matsuo