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Match Document Document Title
7623255 Printing device  
A printing device can transmit authentication data to a client computer remotely connected to the printing device. The authentication data can be used by the client computer to authenticate itself...
7621452 Electronic apparatus  
An electronic apparatus is capable of minimizing the increase in the capacity of a non-volatile memory provided in the wireless tag and of minimizing the increase in the time required for reading...
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...
7616907 Printer cartridge  
A printer cartridge comprising a photosensitive body being in contact with a charging roller and a developing roller, the printer cartridge including a first member interposed between the charging...
7616905 Image forming apparatus, cartridge of image forming apparatus, cartridge mounting method  
A cartridge storing a recording agent includes an opening through which the stored recording agent is discharged, and a cover member closing the opening. Further, a non-contact IC tag that stores...
7580144 System and method for detecting potential counterfeiting of print cartridges  
A method for detecting potential counterfeiting of print cartridges includes transmitting a message regarding date information stored on a print cartridge installed in a printing device, the...
7561316 Adjusting ink-usage parameters to reduce ink usage  
One or more ink-usage parameters are adjusted based on ink remaining and historical ink usage, to reduce ink usage for an image to be printed on a sheet of media with ink. The image is printed on...
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,...
7515837 System and methods for universal imaging components  
A universal cartridge chip for use with an imaging process cartridge installed in an imaging device is disclosed. The universal cartridge chip includes a memory storing imaging process cartridge...
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....
7504951 Interface antenna  
An interface antenna is positioned between a tag antenna associated with a tag and a reader antenna associated with a reader. The interface antenna receives an electromagnetic carrier signal...
7463860 Image forming apparatus  
An image-forming apparatus includes a body casing having on upper surface thereof a paper ejection tray on which a sheet of paper ejected after formation of an image is stacked; a side cover...
7460795 Image forming apparatus having a detachably mountable image forming unit  
An image forming apparatus for carrying out an image forming process with a detachably mountable image forming unit mounted thereon, when the mounting of the image forming unit has been detected,...
7440705 Image forming apparatus with toner cartridge and the toner cartridge  
An image forming apparatus includes an image forming unit for forming an image, and a toner cartridge detachably attached to the image forming unit for supplying toner to the image forming unit....
7433610 Image forming apparatus having shielded area in which non-contact wireless communication occurs  
An image forming apparatus has a plurality of detachably loadable replacement units. The replacement units each have an individual IC tag that performs data writing or reading through non-contact...
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...
7389058 Method of and apparatus for indicating a time to replace consumables in an image forming apparatus  
A method and an apparatus for indicating the time to replace consumables in an image forming apparatus by receiving the current date and the critical time of the consumables from a host and...
7379196 Printing system, printing apparatus, print data transmitting device, and program  
In a printing system, before transmitting print data to a printer, a personal computer transmits a virtual printing start command to the printer. When the data received by the printer is a virtual...
7362466 Image forming apparatus and replaceable part and IC chip for the same  
An image forming apparatus of the present invention includes an apparatus body. An image forming device included in the apparatus is at least partly implemented by a replaceable part. A counter...
7319826 Method of optimizing amount of toner of electrophotographic printer  
A method of optimizing the amount of toner of an electrophotographic printer is provided. The method includes measuring a life span of the development roller in use. The speed of a development...
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...
7280772 Method for detecting whether a cartridge installed in an imaging apparatus is potentially counterfeit  
A method for detecting whether a cartridge installed in an imaging apparatus is potentially counterfeit includes determining whether a usage threshold has been reached by the cartridge; determining...
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...
RE39773 Toner cartridge identification system for a printer  
An apparatus for communicating to a printer a type of installed printer cartridge, where the combination of the cartridge and the printer form a magnetic coupling that can generate a cartridge...
7239413 Printer replaceable component  
A replaceable component is installable in and removable from a printing device and contains one or more supplies used in printing by the printing device. A memory and a port are in the replaceable...
7231153 Systems and methods for monitoring replaceable units  
Systems and methods for monitoring a replaceable component of a device may include a monitor located on the replacement component. The monitor may include a controller, a memory, and a first...
7221886 Electrical connections for circuit boards on universal toner cartridges  
An improved communication method for use in a toner cartridge with two independently-generated electrical signals used to activate a printer. A first connection pad and a second connection pad...
7221878 Allowing image formation using consumable item where code of consumable item is identical to code of image-formation device  
A first code is programmed into a memory of an image-formation device consumable item, outside of an image-formation device. Upon insertion of the image-formation device consumable item into the...
7221473 Printing system for updating printing characteristics with a printing consumable  
The flexible printing system is comprised of a printer that has printing characteristics that can be updated. A printer cartridge comprises printer data memory that either stores new printing...
7197633 Wireless machine post-launch configuration and option upgrade  
By providing a secure EEPROM (Electrically Erasable Programmable Read Only Memory) device or other non-volatile memory (NVM) with a wireless interface as a system operation key (SOK) to control the...
7190911 Detachable unit, image forming apparatus, server computer, computer program, and client system  
A technical solution for easily carrying out detailed image formation control corresponding to respective customers, i.e., a detachable unit, an image forming apparatus, a server computer, a...
7164491 Identifying apparatus, apparatus to be identified, identifying method, and printing apparatus  
An encoder of a process unit encodes an identification code output by the CPU of a main unit, thereby obtaining a response code. The response code is returned to the main unit. The logic of the...
7136598 Image forming apparatus, unit of image forming apparatus and information control method of image forming apparatus  
An image forming apparatus includes a main body, a main body storing portion provided at the main body, a unit attachable to the main body, a unit storing portion provided at the unit, a reading...
7127185 Method and system for component replacement based on use and error correlation  
A method and system, for component replacement, which use a combination of replaceable component life tracking and error condition occurrence history to identify the need for component replacement.
7113710 Structure preventing the use of an unauthorized circuit board  
A toner cartridge prevents piggybacking of an unauthorized circuit board over an authorized circuit board. The body of the cartridge includes a flat mounting surface adapted to receive a first...
7106981 Image forming apparatus  
An image forming apparatus includes a plurality of printing units each having an image bearing member for rotation about an axis and a process member which cooperates with the image bearing member...
7088928 Systems and methods for universal imaging components  
A cartridge chip for use with an imaging cartridge installed in an imaging device, the cartridge chip including a memory element storing imaging cartridge data, and a controller for controlling the...
7085505 Image forming apparatus which monitors lifetimes of expendables  
An image forming apparatus disclosed herein includes a detecting section for detecting that the lifetime of an expendable used to form images is expiring, a counting section for counting a used...
7077520 Electrophotographic apparatus  
An electrophotographic apparatus is equipped with one or more printing sections including a photoreceptor, a charger that electrically charges the surface of the photoreceptor, an optical scanning...
7062181 Systems and methods for single wire communication and interaction with a customer replaceable unit monitor  
Single-wire data communications with data storage memory units that may be coupled with a wirelessly energized power supply is enabled in electronic monitoring modules in customer replaceable units...
7058320 Image forming apparatus, cartridge detachably mountable to the image forming apparatus, developer remainder displaying method and system  
An image forming apparatus includes a developer container for containing a developer; a developer amount detector for detecting the amount of the developer contained in the developer container; a...
7058319 Image forming apparatus and cartridge detachably mountable thereto  
An image forming apparatus includes an image forming device for forming an image on a recording material. At least a part of the image forming device is in the form of a unit which is detachably...
7050727 Storage control method for a memory provided in a removable cartridge in an image forming apparatus  
An image forming apparatus in which a memory has a first storage area for storing information related to image formation as predetermined unit data and a second storage area (back-up memory) for...
7050182 Device having embedded supply consumption rate test capability  
A printer having an embedded marking agent yield test capability has a formatter, a control panel, a print engine module, and a memory module. The memory module stores a data file for printing a...
7035555 Apparatus and method for detecting consumable product engagement in a printing device  
An apparatus for detecting the engagement of a consumable in a printing device includes a consumable cartridge having a rotatable member carried by the cartridge, and a drive member configured to...
7031012 Printing apparatus and its control method, and expendable attached to printing apparatus and having memory  
This invention provides a printing apparatus which controls to inhibit any inadvertent write to a memory in an expendable so as to securely manage the exchange timing and the like of the...
7027745 Image forming apparatus with notification of remaining life of image forming unit and prohibition of image improvement operation  
It is intended to provide an image forming apparatus that surely notifies a user of unit replacement timing and strongly urges the user to replace units without additional apparatus being applied...
7009719 Systems and methods for controlling an image forming system based on customer replaceable unit status  
Informing the user when consumables and/or customer replaceable units will have to be resupplied, changed and/or replaced, relative to the jobs sent to the image forming system, is a beneficial way...
6977742 Method and apparatus for estimating printer resources  
An apparatus for estimating printer resources compares an amount of printer resources required to print a document to an amount of printer resources available at a printer to determine whether...
6975422 Method for providing information for a customer replaceable unit  
A method and information system for informing a user about consumable components such as a CRU using printed documents in an electrostatographic system.
Matches 1 - 50 out of 138 1 2 3 >