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Electrophotography > Diagnostics

Diagnostics

Diagnostics patent applications listed include Date, Patent Application Number, Patent Title, Patent Abstract summary and are linked to the corresponding patent application page.

05/29/14 - 20140147132 - Image forming apparatus
An image forming apparatus is provided which can execute an image stabilization operation and which includes: a determination portion that determines whether or not the image stabilization operation can be executed when a constituent member of the apparatus is replaced or when a consumable item is supplied; and an image...

05/22/14 - 20140140710 - Image forming apparatus and image forming method
An image forming apparatus receives setting of an object to be adjusted, on an adjustment object selection screen when selecting an adjustment mode. After the object to be adjusted is set, camera(s) photograph(s) the object to be adjusted so that the image forming apparatus obtains photographed data of current object...

03/06/14 - 20140064745 - Packaged image forming apparatus and diagnostic system of apparatus to be packaged
A packaged image forming apparatus includes an image forming apparatus, and a packaging member for packaging the image forming apparatus. The image forming apparatus includes a power supply connection unit to which one end of a power cable, the other end of which is connected to an external power source,...

02/27/14 - 20140056598 - Switch mechanism, electronic device and image forming apparatus
A switch mechanism of the present disclosure includes a first member, a second member, a switch, a pressing-down member and an operation member. The second member can be moved with respect to the first member. The switch is provided in the first member. The pressing-down member is provided in the...

01/02/14 - 20140003825 - Image forming apparatus
An image forming apparatus comprising an image forming unit configured to form an image, a power supply unit configured to supply electric power to the image forming unit via a power supply line, a door configured to be opened for accessing the image forming unit, an output unit configured to...

12/12/13 - 20130330091 - Image forming apparatus
An image forming apparatus includes a plurality of white reference plates, a plurality of measurement units configured to be arranged in positions opposed to the respective plurality of white reference plates, irradiate the white reference plates with light, and measure reflected light from the white reference plates, and a determination...

10/03/13 - 20130259494 - Printing apparatus
A printing apparatus to print an image on a sheet is provided. The printing apparatus includes a photosensitive member, a contiguous member arranged to contact the photosensitive member, and a protection sheet configured to protect the photosensitive member from the contiguous member. The protection sheet is arranged in an intervening...

09/19/13 - 20130243443 - Image forming apparatus
The image forming apparatus 10 includes a cover member 25, a cover open/closed detection sensor 29, a driven unit 38, a drive detection sensor 35, and an attitude determination unit 60. The cover open/closed detection sensor 29 outputs a closed signal corresponding to an open attitude and an open signal...

08/22/13 - 20130216242 - Cooling device and image forming apparatus incorporating same
A cooling device for an image forming apparatus includes a heat receiver disposed to contact a heated member; a heat releaser to release heat; a coolant circulation passage connecting the heat receiver and the heat releaser in which a coolant circulates between the heat receiver and the heat releaser; a...

01/31/13 - 20130028615 - Image forming apparatus
An area calculating unit calculates an image area of a toner image formed on a sheet recording member. A behavior detecting unit detects behavior of the recording member fed out of a conveying nip formed by a pair of conveying members. A thickness obtaining unit obtains thickness information of the...

01/03/13 - 20130004186 - Method and system for controlling multiple printers in a tisp or tipp system for increased stability
A method for printer stability enhancement in a multiple printer printing system includes determining a first printer stress state of a first printer in a printing system, wherein the first printer is assigned a first printing role. A second printer stress state of a second printer in the printing system...

10/04/12 - 20120251131 - Compensating for periodic nonuniformity in electrophotographic printer
A method is provided of compensating for periodic non-uniformity in an electrophotographic (EP) printer with a rotatable imaging component, and a runout sensor for measuring the distance between a first reference point and the surface of the first component along a first reference axis. An image signal representing an image...

07/26/12 - 20120189325 - Image forming device and failure control system for the same
An image forming device includes a plurality of power consumption parts that operate by power supply from a power source. The image forming device includes a failure detection part that detects occurrence of an unrecoverable failure, and a main controller that suppresses an amount of power supplied to the plurality...

06/28/12 - 20120163834 - Image forming system and maintenance method of image forming system
An image forming system having a preceding stage apparatus for forming a toner image on a paper sheet, and a subsequent stage apparatus, connected downstream of the preceding stage apparatus, for forming a toner image on the paper sheet ejected from the preceding stage apparatus, includes: a first maintenance counter...

06/28/12 - 20120163835 - Image forming apparatus and image forming method
When printing, an image forming apparatus determines, based on a threshold voltage corresponding to a print speed during printing, whether or not a corona wire of a charger needs to be cleaned. On the basis of whether or not a monitoring voltage corresponding to a current value of a charged...

12/22/11 - 20110311237 - Method for detecting opening/closed state of an interlock switch provided in an electronic device
A controller determines a state of a switch unit based on a potential difference between a power supply side and a load side of the switch unit. Alternatively, when an electronic device is in a first operating state, the controller determines a state of the switch based on a result...

09/29/11 - 20110236035 - Image forming apparatus, computer readable medium storing program and method for image forming
An image forming apparatus includes: a monitor that monitors a state of communication performed in the image forming apparatus; and a controller that, when the monitor monitors that the state of the communication is abnormal, controls the communication based on an operation of the image forming apparatus in which a...

09/08/11 - 20110217050 - Printing system, printing method and program for executing printing method
In a printing apparatus, first printing data used for the first printing apparatus to perform a print is associated with second printing data generated from the same print job as the first printing data. A printing apparatus detects an operating state of the apparatus. The printing apparatus, when the detected...

04/21/11 - 20110091222 - Image forming apparatus
Disclosed is an image forming apparatus including a body housing in which an opening is formed for providing removal/mounting access of a removable cartridge; a door member for selectively closing the opening. The removable cartridge includes a cartridge status chip in which predetermined information relating to the removable cartridge is...

02/03/11 - 20110026943 - Image forming apparatus
An image forming apparatus including at least one latent image carrier, an image forming unit to form a toner image on the at least one latent image carrier based on image data, a transfer body onto which the toner image formed on the at least one latent image carrier is...

12/16/10 - 20100316395 - Write device, image forming apparatus, and open/close control method
A write device includes an opening arranged on a casing of a write unit that emits irradiation light to expose a photoreceptor; a shutter unit movably mounted on the casing to open and close the opening; plural wall-like sections having respective different widths and being arranged in a standing manner...

11/25/10 - 20100296822 - Image forming apparatus
Failures of respective light emitting elements are detected without printing on a sheet. An image forming apparatus includes an optical scanning section including plural light emitting sections each including plural light emitting elements, plural photoreceptors which are provided correspondingly to the respective light emitting sections and on which electrostatic latent...

11/04/10 - 20100278543 - Spectral colorimetric apparatus and image forming apparatus using the same
A spectral colorimetric apparatus for detecting a color of an image of a subject, including: an illumination optical system illuminating the subject on a detection surface; a spectral optical system including a spectral element spectrally separating the beam diffused by the subject and a light receiving element array detecting a...

08/26/10 - 20100215381 - Method and apparatus for automatically adjusting nip width based on a scanned nip print image on ultraviolet (uv)-sensitive media in an image production device
A method and apparatus for automatically adjusting nip width based on a scanned nip print image on ultraviolet (UV)-sensitive media in an image production device is disclosed. The method may include receiving a signal to generate a nip print, automatically inserting a sheet of UV-sensitive media into a fuser nip...

06/24/10 - 20100158544 - Flexible diagnostic sensor sheet
A system of diagnosing a printer or photocopying system using a flexible diagnostic sheet is described. In the system, a thin diagnostic sheet including a plurality of sensors formed on the sheet is run through the paper path of the printing system. The printing system subjects the diagnostic sheet to...

01/07/10 - 20100003037 - Method and apparatus for sensing locations on a belt
Aspects of the disclosure can provide a sensor system. The sensor system can include a belt having an undesirable portion and an aperture formed at a distance from the undesirable portion, a reflector located in the aperture, and a detector that senses a light reflected by the reflector to determine...

12/31/09 - 20090324259 - Condition determining system, method of detecting abnormality of condition determining system, and image forming apparatus
A system abnormality determining method comprises the steps of transmitting fake abnormal information representing an abnormal condition of the target instrument from the target instrument to a condition determination device via a network during a test operation of the target instrument instead of condition information, determining if the condition determination...

03/26/09 - 20090080908 - Image forming apparatus
In an image forming apparatus, an image forming portion forms an image on a rotator. A storage portion stores change characteristics information relevant to correction parameters corresponding to phase points of the rotator. A designating portion designates a correction parameter from the correction parameters based on the change characteristics information....

03/19/09 - 20090074429 - Image forming apparatus
In an image forming apparatus, an image forming portion forms an image on a rotator. A storage portion stores change characteristics information relevant to correction parameters corresponding to phase points of the rotator. A designating portion sequentially designates the correction parameters based on the change characteristics information. A correcting portion...

02/05/09 - 20090034990 - Management device of an image forming apparatus
A management device for an image forming apparatus including a status data collection unit where multiple types of status data are received from the image forming apparatus and stored in a status database, a target data creation unit where multiple types of target data are created based upon the multiple...