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8175470 Image forming apparatus having a function of predicting device deterioration based on a plurality of types of operation control information  
An image forming apparatus is provided. The image forming apparatus includes an acquiring unit that acquires a plurality of types of operation control information of the image forming apparatus...
8175478 Image forming apparatus controlling the position of a convey member with respect to the toner image position based on sensed indicies  
An image forming apparatus includes an image bearing member; a transfer portion that transfers a toner image; a conveying member that conveys a recording material; a conveying member position index...
8165480 Image forming apparatus with image carrier deterioration detection  
An image forming apparatus, according to the present invention can include, an image carrier, a charger configured to charge the image carrier, an exposure unit configured to form an electrostatic...
8116647 Image forming apparatus and method for controlling same  
An image forming apparatus includes: a photoconductive drum; a developing roller carrying toner; a DC voltage application portion outputting a DC voltage to be applied to the developing roller, and...
8116640 Apparatus and method for sensing photoreceptor failure in a xerographic printing apparatus  
An apparatus (100) and method (200) that senses photoreceptor failure in a xerographic printing apparatus is disclosed. The xerographic printing apparatus can include a rotatable photoreceptor...
8107124 Image forming apparatus  
In an image forming apparatus, an image forming portion forms an image on a rotator. A first designating portion determines a first estimated phase point based on a base time point, and designate,...
8081887 Selective print job aggregation  
A selective job aggregation method includes identifying a predetermined usage match between a first consumable component and a second consumable component of printer device. Print jobs are then...
8064784 Image forming apparatus and output setting method of consumed status of consumable items of the image forming apparatus  
An image forming apparatus in which a first consumable item and a second consumable item are loadable to the image forming apparatus, includes a consumption status detector that detects an end...
8019238 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...
8019239 Device and method for detecting life of organic photoreceptor and image forming apparatus  
A device for determining an end of life of an organic photoreceptor includes a potential detecting unit that detects a residual potential of the organic photoreceptor, a temperature detecting unit...
7983575 Apparatus and method for determining photoreceptor charge transport layer thickness of apparatus using a scorotron charge device  
A photoreceptor charge transport layer thickness determining apparatus for a photoreceptor including a scorotron charge device having coronode wires and a scorotron grid positioned between the...
7978987 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...
7970292 Consumable unit and image forming apparatus including memory storing consumable item information  
A consumable unit and an image forming apparatus for controlling a consumable includes a first memory that stores consumable item information regarding the consumable and provides the consumable...
7949268 Dynamic photo receptor wear rate adjustment based on environmental sensor feedback  
A xerographic marking engine adjusts a charging actuator value, such as an AC peak-to-peak voltage or an AC peak-to-peak current, based on a determined knee value, VKNEE, of a charge curve for an...
7907854 Image forming apparatus and image forming method  
An image forming apparatus includes a photoconductor, a charging member, a voltage applying unit that applies at least one of voltage of a DC component and voltage of an AC component to the...
7890001 Image forming apparatus and output setting method of consumed status of consumable items of the image forming apparatus  
An image forming apparatus including a plurality of consumable items. The apparatus includes a consumption status detecting unit that detects a respective consumption status of each of the...
7869721 Apparatus and method for detecting carrier particles in an electrophotographic device  
A method (400) and apparatus (100) that detects carrier particles (130) in an electrophotographic device is disclosed. The apparatus may include an image carrying member (110). The image carrying...
7837320 Liquid droplet ejection apparatus  
A liquid droplet ejection apparatus comprising a liquid droplet ejection head that ejects liquid droplets, a conveyor belt that retains and conveys a recording medium while causing the recording...
7835668 Imaging methods, imaging member charging methods, and image engines  
Imaging methods, imaging member charging methods, and image engines are described. According to one embodiment, an imaging method includes providing an imaging member having an outer surface...
7831157 Total layer thickness detection apparatus, charging device, image forming apparatus, total layer thickness detection method and computer readable medium storing program for total layer thickness detection  
A total layer thickness detection apparatus for a charged body includes: a saturated charge amount detection unit that detects a saturated charge amount of a charged body having plural coating...
7826754 Image forming apparatus with thickness detecting unit and parameter setting unit  
An image forming apparatus includes a photosensitive member, a charging device, a developing device, a thickness detecting unit and a parameter setting unit. A photosensitive layer is formed on a...
7783212 Thickness variation detector of photoconductor, image formation unit, image formation apparatus and method for thickness variation of photoconductor  
A thickness variation detector of a photoconductor includes: a current detection unit that detects a value of current being used for charging a surface of the photoconductor in a state in which a...
7747184 Method of using biased charging/transfer roller as in-situ voltmeter and photoreceptor thickness detector and method of adjusting xerographic process with results  
The dielectric thickness of a photoreceptor is determined in a variety of ways, including using a relationship between threshold voltage and dielectric thickness, using a relationship between...
7747179 Image forming apparatus and storage thereof  
An image forming apparatus manages information regarding the lifetimes of a plurality of photosensitive media or developing units using a single storage. The image forming apparatus includes a...
7734200 Lifetime management device and image forming system  
An image forming system includes an image forming apparatus that includes process units for different colors and a lifetime management device that manages lifetime information on each unit of the...
7729623 Image forming apparatus and image forming method thereof  
An image forming apparatus including an image forming unit which comprises a cartridge having a toner therein to form an image and a controller to control the image forming unit to increase a...
7692804 Image forming apparatus, cartridge, and storing device mounted to the cartridge  
An image forming apparatus operates in a first image formation mode for forming an image on an image bearing member by using developer under a first predetermined image forming condition and a...
7693433 Image forming apparatus and layer thickness calculating method  
An image forming apparatus includes: an image carrier that rotates and carries a toner image by a surface layer disposed on a surface thereof; a charging roll that charges the surface layer while...
7676164 Lifetime management device and image forming system  
In an image forming system, a lifetime management device calculates remaining lifetime of process units, a transfer unit, a secondary transfer unit, a belt cleaning unit and a fixing unit mounted...
7672601 Image forming apparatus and output setting method of consumed status of consumable items of the image forming apparatus  
An image forming apparatus which uses a consumable item is disclosed. The image forming apparatus includes a consumed status detecting unit which detects a value of the consumed status of the...
7664412 Image forming apparatus that adjusts operating conditions based on a density detection result of a patch image  
An image forming apparatus and an image forming method, which are capable of forming images at stable image quality by executing adjustment of operating conditions at appropriate timings, are...
7657193 Consumable management device, image forming apparatus, computer readable medium storing a program, and consumable management method  
A consumable management device includes a life determining unit that determines whether a consumable reaching a life end exists in an object apparatus which operates with a plurality of consumables...
7620333 System and method for providing messages on a printing component  
A consumable printing component for use in a printing device includes an imaging member and a memory storing message data. In response to a trigger event, a message is formed on the imaging member...
7551861 Method for performing quality checks on a print engine film loop  
A quality check of the photoconductive belt of an electrographic print engine may be performed by writing a toner image on each of the virtual image frames of the loop and printing out those...
7532832 Image forming apparatus and charge control method  
An image forming apparatus includes a photoreceptor having on a surface thereof a photosensitive layer, in which an electrostatic latent image is formed, a contact charging roll applied with a bias...
7516318 Method of controlling an image forming apparatus  
A method of controlling an image forming apparatus having at least one consumption part. The method includes fetching specification information corresponding to the at least one consumption part,...
7509062 Method and apparatus for image forming capable of effectively recycling image forming unit  
An image forming apparatus which allows an independent and easy replacement of replaceable image forming devices including an image forming unit detachably provided in the image forming apparatus....
7471906 Image forming apparatus and image forming method  
An image forming apparatus includes a photoconductor, an electrifying member, a high voltage applying unit for applying to the electrifying member a high voltage in which a DC component of a...
7433611 Image forming apparatus that judges lifetime of photosensitive unit  
The residual potential and charging potential of the surface of a photosensitive drum 20, or the charging potential and exposure potential of the surface of the photosensitive drum 20 are detected...
7430378 Image forming apparatus setting an image forming condition based on characteristics of a cartridge, cartridge used in the image forming apparatus, and storage medium mounted on the cartridge  
An image forming apparatus allows mounting thereon and dismounting therefrom a plurality of types of cartridges, each of the cartridges including a plurality of process members used for image...
7426351 Image forming apparatus and layer thickness calculating method  
An image forming apparatus, includes: an image carrier that carries a developer image by a charge layer provided on a surface of the image carrier; a charger that charges the image carrier; a...
7403727 Image forming apparatus and density adjusting method thereof  
The present invention performs density adjustment (ATR process) and transfer voltage control (ATVC) in parallel; the ATR process transfers and forms a patch image on an intermediate transfer member...
7403723 Image forming apparatus with measuring technique  
An image forming apparatus including a photoreceptor that rotates, a charging member provided in contact with or in close proximity of the photoreceptor to charge the photoreceptor, a charge amount...
7359650 Image forming apparatus and method for judging the lifetime of a photosensitive unit  
The residual potential and charging potential of the surface of a photosensitive drum 20, or the charging potential and exposure potential of the surface of the photosensitive drum 20 are detected...
7319829 Transfer bias adjustment based on component life  
An electrophotographic image forming device may use a feedback loop to determine environmental conditions and accordingly set one or more operating parameters. The device may detect a...
7292794 System, apparatus, and method for preventing access to information stored in a consumable item of an image forming apparatus  
An image forming apparatus having a recognizing member configured to read a property stored in a memory member of a consumable item via a communication member, and to recognize if the consumable...
7274884 Image forming apparatus to which a cartridge having a memory medium configured to store information-forming-condition information is attachable, such a cartridge, such a memory medium, and an image forming system comprising such a memory medium  
An image forming apparatus to which a cartridge is mountable and which is operable to form images at different image formation speeds, wherein the cartridge includes a memory medium having a memory...
7274885 Image forming device having replaceable drum unit and developing unit  
In an image forming device, when a replacement timing of a photoconductive drum unit has been reached, the image forming device determines whether or not a replacement timing of a developing unit...
7272330 System for analyzing an organic photoconducting drum and a method thereof  
A system for analyzing an organic photo conducting drum includes an identification system, a feature examination system, and an evaluation processing system. The identification system identifies...
7251419 Effective surface resistivity through image analysis  
A method for determining the approximate surface conductivity of a photoreceptor surface. The method involves forming a latent image of a series of lines of different widths on the surface,...
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