Quana Grainger

US Patent 7088944 Developer Cartridge including radially extending drive lug

US Patent 7092654 Image forming apparatus that executes image forming jobs having priority levels

US Patent 7099603 Image forming apparatus having a post-processing apparatus with a controller for controlling conveyance of double-sided sheets

US Patent 7099609 Developing device

US Patent 7103303 Charging apparatus and image forming apparatus

US Patent 7110684 Cartridge for replenishing developer including a memory device and a control system featuring the cartridge

US Patent 7113730 Apparatus for preventing developer wraparound in wet electrophotographic printer

US Patent 7113737 High frequency fixing apparatus

US Patent 7120378 Image forming apparatus using a liquid developer in which carrier liquid backflow is inhibited

US Patent 7123852 Image forming apparatus having positioned cleaning unit for image transfer belt positioned with respect to toner patch detecting member and toner image transfer member

US Patent 7123859 Image forming apparatus reducing adhesion of residual toner to a photosensitive conductor

US Patent 7123863 Image forming apparatus with rotary unit that can accommodate a plurality of development cartridges

US Patent 7127198 Image forming apparatus including a developer replenishing device for a two-ingredient type developer

US Patent 7127199 Developing device and process cartridge with predetermined magnetic force for an image forming apparatus

US Patent 7130554 Power supply for a first and second heating elements in image forming apparatus with control based on detected temperature at start

US Patent 7133625 Image forming apparatus

US Patent 7133631 Transfer device, with transfer pressure control

US Patent 7139501 Charge voltage control circuit and image forming apparatus which controls a charge voltage based on a discharge current

US Patent 7155143 Silencer for an imaging device photoreceptor

US Patent 7158733 Image forming apparatus which includes an image bearing body surface potential detection feature

US Patent 7158736 Process cartridge having first and second rotatably coupled frames and electrophotographic image forming apparatus mounting such process cartridge

US Patent 7158739 Image forming apparatus capable of stable wireless communication

US Patent 7158741 Developing device for liquid electrophotographic image forming apparatus

US Patent 7158746 Xerographic printer having a semiresistive rotatable brush in the transfer zone

US Patent 7162175 Image forming apparatus including temperature sensor and method thereof

US Patent 7164875 Electrophotographic image forming apparatus having a plurality of mounting portions for detachably mounting a plurality process cartridges

US Patent 7167662 Conductive brush cleaner for a transfer roller

US Patent 7171144 Image defect reduction in image development apparatus

US Patent 7171151 Image forming method and apparatus having improved cleaning means

US Patent 7174120 Developer supply device containing a stopping member which moves into a toner supply port and restricts rotation of the device and image forming apparatus including the same

US Patent 7177586 Apparatus and method of forming image using rotary developer

US Patent 7181148 Image forming apparatus and device for determining the density and position of a toner pattern

US Patent 7181151 Image printing apparatus having a help message display function to display help messages corresponding to on-screen information

US Patent 7181152 Image forming apparatus for reliably holding attachable units

US Patent 7184678 Image forming apparatus with improved separatability of transfer material

US Patent 7184697 Fixing apparatus having an induction heating control circuit

US Patent 7187880 Thermal fixing device and image forming apparatus using the same

US Patent 7187888 Corona generating device having a wire composite

US Patent 7187893 Image transfer unit having an intermediate transfer belt to which a toner image is applied

US Patent 7190924 Image forming apparatus that eliminates the inadvertence of mixed color toners and image forming method

US Patent 7194222 Image forming apparatus which cools an image forming cartridge

US Patent 7194226 Image forming apparatus featuring an image bearing member charged by a charging means and a developer charge providing means

US Patent 7197253 Image forming apparatus including two CPUs to control a fixing device

US Patent 7200350 Image forming apparatus switching developing rollers of mounted process cartridges between contact and spaced states and switching the contact position of a feeding belt contactable to drums of the mounted cartridges

US Patent 7200351 Image forming apparatus featuring a developing device which abuts and retracts from an image bearing member

US Patent 7203439 Fixing device of image forming apparatus with non-contact temperature sensor

US Patent 7203443 Fixing unit which heats heating member with induction heating, and image forming apparatus which includes the fixing unit

US Patent 7203452 Tandem image forming device having a side-by-side arrangement of image forming sections

US Patent 7206531 Image forming apparatus and method using light and dark toners of the same hue

US Patent 7206541 Image heating apparatus with nip portion pressure increasing downstream

US Patent 7209685 Developing device, image forming apparatus and process cartridge including replenishment openings

US Patent 7209697 Fusing device having a pressure member, pushing member fusing belt and roller

US Patent 7212762 Image processing apparatus with preheating control

US Patent 7212776 Fixing belt having higher hardness at a rear surface than at a front surface

US Patent 7212779 Electroconductive brush and copying device for electrophotography

US Patent 7215900 Image forming apparatus having device for changing print condition

US Patent 7215909 Developing device, and process cartridge maintaining position of developing roller, and image forming apparatus using these

US Patent 7215917 Fusing device with stable nipping portion

US Patent 7218883 Image forming apparatus

US Patent 7218887 Reinforced cleaning member and process cartridge and image forming apparatus using same

US Patent 7224916 Image forming apparatus using toner containing wax with image density detecting means used for image density adjustment

US Patent 7228090 Image forming apparatus with a removable process unit capable of securing rotation transmission accuracy without stressing a holding portion despite shaft misalignment

US Patent 7228096 Paper ejection guide of fixing mechanism for image forming apparatus having simple jam clearing structure

US Patent 7228097 Image forming apparatus

US Patent 7231158 Image forming apparatus having a fixing device with improved temperature detection features

US Patent 7233760 Method and device for doctor blade retention

US Patent 7236715 Image forming apparatus

US Patent 7239816 Automated image appearance control method

US Patent 7239825 Image formation apparatus having a plurality of units and assembling method thereof

US Patent 7242898 Fixing unit image forming apparatus with interior crown-shaped roll

US Patent 7242902 Image forming apparatus having a post-processing device with a controller for controlling conveyance of double-sided sheets, temporarily retaining the sheets at the predetermined position in a double-sided sheet conveying path, and conveying the retained sheets to the post-processing device and image forming method therefor

US Patent 7245855 Opening and closing device, sheet conveying apparatus, and image forming apparatus

US Patent 7251423 Image forming apparatus and image forming method

US Patent 7254352 Temperature control method for use in a fusing device of an image forming apparatus having a fusing roller and a heater heating the fusing roller and image forming apparatus using the same

US Patent 7254355 Apparatus and method to improve printer productivity

US Patent 7257340 Image forming apparatus featuring a controller for switching a first transfer bias to a second smaller transfer bias while the print material is passing through a transfer nip portion

US Patent 7257359 Transfer assist blade dwell correction

US Patent 7260343 Gear assembly used with an image forming apparatus, an optical photoconductive (OPC) unit having the same, and a method of driving the gear assembly

US Patent 7260353 Image heating apparatus with heating nip for preventing image failure

US Patent 7263300 Image forming device that provides status of developer

US Patent 7263318 Image forming apparatus including an index feature for extending the life of a photosensitive member

US Patent 7266321 Apparatus for supplying voltage to developing device

US Patent 7266331 Developer cartridge including rim configured to open and to close a shutter of an image forming apparatus

US Patent 7266333 Semiconductive belt and image forming apparatus using the semiconductive belt

US Patent 7269368 Image forming apparatus for forming image with fixing member, power supply control method for controlling the image forming apparatus, and power supply control program for controlling the image forming apparatus

US Patent 7269375 Image transfer device and method for cleaning a part thereof

US Patent 7269384 Transfer-fixing unit with a surface layer of predefined hardness for use in an image forming apparatus

US Patent 7272329 Image forming apparatus with developing units detachable from a mounting portion

US Patent 7272339 Process cartridge including first and second frames and separating member moving the second frame to a separated position and image forming apparatus detachably mounting the cartridge

US Patent 7274892 Image forming apparatus with heat exhausting means for exhausting air from around a fixing unit and a delivery tray

US Patent 7274903 Integrated fuser unit and drive system for use in an electrophotographic imaging process

US Patent 7277649 Developing apparatus and image forming method

US Patent 7277666 Developing apparatus with two toner-supplying bodies that periodically coact

US Patent 7280778 Image forming apparatus with transfer material regulating members

US Patent 7280792 Method for evaluating changes in resistance of electric resistance member and image forming apparatus using same

US Patent 7280797 Image forming apparatus with paper thickness detection unit for detecting overlap of regular and insertion sheets

US Patent 7283754 One touch supply ordering method

US Patent 7283760 Variable nip pressure fusing system

US Patent 7283765 Developing device, process cartridge, and image forming apparatus having developing-roller scraping member

US Patent 7286779 Apparatus for suppressing deformations in a belt of an image forming device

US Patent 7286782 Charge method, charge apparatus, and charge program for charging usage fee including print fee and format fee of an image forming apparatus

US Patent 7289756 Developer regulating member with surface roughness parameters

US Patent 7292811 Toner supplying container and image forming apparatus

US Patent 7292816 Method and apparatus for electrophotographic image forming capable of effectively removing residual toner, a cleaning mechanism used therein, a process cartridge including the cleaning mechanism used in the apparatus, and toner used in the apparatus

US Patent 7295794 Film loader for an image forming apparatus

US Patent 7295796 Image forming apparatus having a temporary toner holding device and a toner collecting device

US Patent 7298986 Image forming apparatus having a movable operation panel

US Patent 7298992 Process cartridge that accurately disposes brush with respect to image bearing member

US Patent 7298999 Image forming apparatus providing an ideal contact pressure of a primary transfer unit

US Patent 7299003 Fixing unit and image forming apparatus providing a quick start-up and reduction in energy consumption

US Patent 7302197 Image forming apparatus having a detachable process cartridge and a lubricant

US Patent 7302199 Document processing system and methods for reducing stress therein

US Patent 7302214 Developing device having a voltage application member for applying varied voltages

US Patent 7305208 Image heating apparatus with discharge occurring between a charge eliminating member and a pressure roller

US Patent 7308217 Fixing apparatus and image forming apparatus

US Patent 7308219 Image heating apparatus including an endless belt and belt cooling mechanism

US Patent 7308221 High developing voltage supply apparatus

US Patent 7308222 Toner supplying system for an image forming apparatus

US Patent 7310484 Apparatus for forming visible black and white or color images and invisible images

US Patent 7315723 Method and apparatus for image forming capable of effectively transporting toner

US Patent 7327964 Image forming apparatus for fixing an image

US Patent 7327965 Charging units capable of use in and image forming apparatus having different processing speeds

US Patent 7327975 Toner cartridge and developing device with tapered and untapered regions

US Patent 7327979 Image forming apparatus

US Patent RE40058 TONER BOTTLE CAPABLE OF BEING DISCRIMINATED, METHOD AND APPARATUS FOR DISCRIMINATING TONER BOTTLE TYPES ACCORDING TO A SENSED OBJECT ON THE TONER BOTTLE STIRRING TONER, AND DETECTING THE AMOUNT OF REMAINING TONER

US Patent 7330671 Image forming device including discriminating unit and attached with replacement unit

US Patent 7330672 Image forming apparatus able to execute selected operating mode upon replacement of replaceable unit, and method therefore

US Patent 7330689 Method for detecting damage of a heating roller of a fixing apparatus based on its peripheral speed

US Patent 7336917 Film loader for an image forming apparatus

US Patent 7336918 Image forming device having a drum separation device

US Patent 7340188 Image forming apparatus and system containing detachable developer containers

US Patent 7340191 Image forming apparatus featuring variably-controlling a primary-transferring condition based on a detection result of combined toner images

US Patent 7340194 System for associating images produced by an image forming apparatus with users of the apparatus

US Patent 7343126 Image forming apparatus including a transfer belt having image forming units disposed thereabout

US Patent 7346302 Color image forming apparatus and electric charge eliminating device

US Patent 7352978 Method of detecting a phase difference of image bearing members and an image forming apparatus using the method

US Patent 7352988 Fuser member including an electrically conductive polymer layer, a resistive layer, an electrically conductive layer, and current elements

US Patent 7352989 Reinforced cleaning member, and process cartridge and image forming apparatus using same

US Patent 7356272 Image forming apparatus with developing roller that rotates during standby to ensure toner uniformity

US Patent 7356282 Image forming apparatus having transfer roller guided by guide device fixed on image carrier support structure and process cartridge having the guide device

US Patent 7356285 Image forming apparatus and a driving method for the same having concurrently stopping motors

US Patent 7359658 Tension adjuster of belt of image forming apparatus

US Patent 7366444 Tandem color image forming apparatus including a monochrome photoconductive member

US Patent 7460816 Developing device and image forming apparatus having gears whose relative positions can be determined with precision

US Patent 7466952 Image-forming machine fixing device with a nipping region having a pressure distribution