Abstract: An optical writing device forms an electrostatic latent image and includes a pixel-information acquiring unit that acquires pixel information and stores the acquired pixel information in a storage medium with respect to each main scanning line; a tilt correcting unit that generates a tilt correction signal specifying a main scanning line from which the pixel information to be input to a light source is read out from the storage medium in order to correct a tilt of the electrostatic latent image; a position correcting unit that generates a position correction signal specifying a timing to input the pixel information to the light source in order to correct a position of the electrostatic latent image; and a pixel-information-input control unit that controls input of the pixel information from the storage medium to the light source in response to the tilt correction signal and the position correction signal.

Abstract: Magnetic field measurement means measures a magnetic field generated by a lightning strike in a frequency band that includes frequencies of 200 Hz or less. Electric charge calculation means determines the electric current waveform of the lightning strike on the basis of the waveform of the magnetic field measured by the magnetic field measurement means, and integrates the electric current waveform to determine an electric charge.

Abstract: Disclosed is a power supply including a first voltage generating unit that generates a first voltage from an external power supply; a second voltage generating unit that generates a first predetermined voltage and supplies the generated first predetermined voltage to the load; a third voltage generating unit that generates the first predetermined voltage and supplies the generated first predetermined voltage to the load; and a controller that causes the first voltage to be greater than or equal to a second voltage during a first mode, and causes the first voltage to be less than the second voltage during a second mode. During the first mode, the power is supplied from the second voltage generating unit and the third voltage generating unit to the load, and during the second mode, the power is supplied from the third voltage generating unit to the load.

Abstract: A toner consumption calculator includes a plurality of line memories; a recorder that sequentially records image data including a plurality of pixels into the line memories; a skew correction unit that performs skew correction on the image data by sequentially reading the image data from the line memories while controlling read timing; and a counter that sequentially reads the image data from the line memories and counts toner consumption of a target pixel on the basis of light amounts of surrounding pixels of the target pixel.

Abstract: In an optical scanner, when an emission control unit varies a period at which image data is output from an output buffer of the emission control unit in order to correct a sub scan magnification of a LED array and a vacant region of an input buffer of the emission control unit ceases to exist, a buffer control unit temporarily stores the image data in a vacant region of a memory of an image correcting unit, and transfers the image data temporarily stored in the memory to the input buffer when the vacant region is generated in the input buffer.

Abstract: An exposure control apparatus includes: a plurality of line memories; a processing unit that processes image data by successively recording the image data to the plurality of line memories, and successively reading the image data from the plurality of line memories; and an exposing unit that performs, with an exposure cycle, an exposure process according to the processed image data, and that forms a latent image based on the image data onto an image carrier, wherein the image data is transferred with a cycle which is N times as high as the exposure cycle (N is a natural number), and the processing unit reads the image data N times with the exposure cycle.

Abstract: Disclosed is a power supply including a first voltage generating unit that generates a first voltage from an external power supply; a second voltage generating unit that generates a first predetermined voltage and supplies the generated first predetermined voltage to the load; a third voltage generating unit that generates the first predetermined voltage and supplies the generated first predetermined voltage to the load; and a controller that causes the first voltage to be greater than or equal to a second voltage during a first mode, and causes the first voltage to be less than the second voltage during a second mode. During the first mode, the power is supplied from the second voltage generating unit and the third voltage generating unit to the load, and during the second mode, the power is supplied from the third voltage generating unit to the load.

Abstract: A toner consumption calculator includes a plurality of line memories; a recorder that sequentially records image data including a plurality of pixels into the line memories; a skew correction unit that performs skew correction on the image data by sequentially reading the image data from the line memories while controlling read timing; and a counter that sequentially reads the image data from the line memories and counts toner consumption of a target pixel on the basis of light amounts of surrounding pixels of the target pixel.

Abstract: An exposure control apparatus includes: a plurality of line memories; a processing unit that processes image data by successively recording the image data to the plurality of line memories, and successively reading the image data from the plurality of line memories; and an exposing unit that performs, with an exposure cycle, an exposure process according to the processed image data, and that forms a latent image based on the image data onto an image carrier, wherein the image data is transferred with a cycle which is N times as high as the exposure cycle (N is a natural number), and the processing unit reads the image data N times with the exposure cycle.

Abstract: An optical writing device forms an electrostatic latent image and includes a pixel-information acquiring unit that acquires pixel information and stores the acquired pixel information in a storage medium with respect to each main scanning line; a tilt correcting unit that generates a tilt correction signal specifying a main scanning line from which the pixel information to be input to a light source is read out from the storage medium in order to correct a tilt of the electrostatic latent image; a position correcting unit that generates a position correction signal specifying a timing to input the pixel information to the light source in order to correct a position of the electrostatic latent image; and a pixel-information-input control unit that controls input of the pixel information from the storage medium to the light source in response to the tilt correction signal and the position correction signal.

Abstract: In an optical scanner, when an emission control unit varies a period at which image data is output from an output buffer of the emission control unit in order to correct a sub scan magnification of a LED array and a vacant region of an input buffer of the emission control unit ceases to exist, a buffer control unit temporarily stores the image data in a vacant region of a memory of an image correcting unit, and transfers the image data temporarily stored in the memory to the input buffer when the vacant region is generated in the input buffer.

Abstract: An image formation apparatus, an image formation method, an image formation program, and a computer-readable recording medium are provided, a rotation of the developer supply roller is controlled in order to prevent plugging of the developer supply roller based on quality information and environmental information.

Abstract: An order changing unit changes an image forming order from a first page order of an original document to a second page order that is different from the first page order. A conveying unit conveys a recording medium on which an image is formed by an image forming unit to a discharging unit. A determining unit determines whether the image forming order can be changed by the order changing unit.

Abstract: An image formation apparatus, an image formation method, an image formation program, and a computer-readable recording medium are disclosed. The image formation apparatus, wherein a developer supply roller supplies a developer to a development unit, includes a quality information acquiring unit for acquiring quality information chosen by a user out of a plurality of predefined quality information sets about quality of image formation, an environmental information acquiring unit for acquiring environmental information about a present operational environment of the image formation out of a plurality of predefined environmental information sets, and a controlling unit for controlling rotation of the developer supply roller in order to prevent plugging of the developer supply roller based on the quality information and the environmental information.