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| Number | Title | Issue Date |
| 8160463 | Image forming apparatus Disclosed is an image forming apparatus, which makes it possible to appropriately conduct a controlling operation for eliminating the velocity fluctuation of the photoreceptor drum without generating any malfunction. The apparatus includes a photoreceptor member dri... | 04/17/2012 |
| 8145079 | Image forming device having an adjusting unit for adjusting an image forming postion on a rotational body An image forming device includes a rotational body configured such that an image to be transferred onto a sheet is formed in an image forming position thereon, a storage configured to store thereon, in a non-volatile manner, a correction parameter for canceling a de... | 03/27/2012 |
| 8139965 | Method and assembly for generating a given revolving speed of an endless band-shaped image support In a method to determine a curve of revolution speed of a continuous belt-shaped image substrate, at least two color separations are generated on the image substrate and transferred from the image substrate onto a substrate material to generate a print image. A firs... | 03/20/2012 |
| 8036546 | Abnormal sound diagnostic apparatus, abnormal sound diagnostic method, recording medium storing abnormal sound diagnostic program and data signal An abnormal sound diagnostic apparatus for an image formation device, which includes: a specification section that specifies an independently operable drive section; an operation section that selectively operates the drive section specified by the specification sect... | 10/11/2011 |
| 8027602 | Belt feeding device and image heating device with setting means for switching inclination angle of supporting member A belt feeding apparatus includes an endless belt and a supporting member for rotatably supporting the belt. The belt feeding apparatus further includes a setting member for setting, when the belt is deviated from a widthwisely normal zone, an inclination angle of t... | 09/27/2011 |
| 7978990 | Image forming apparatus having a control section which detects overcurrent in a motor and controls the motor in response to detection of the overcurrent An image forming apparatus includes: a rotation shaft (71); a movable body (72) that is attached to the rotation shaft (71), that is provided with a cleaning member (73), and that moves with rotation of the rotation shaft (71); a m... | 07/12/2011 |
| 7657195 | Optional apparatus of image forming device for setting its own driving condition using received specification information of main body and control method thereof An optional apparatus of an image forming device is provided for setting its own driving condition using received specification information of a main body and method thereof. The optional apparatus is additionally combined into the main body of the image forming dev... | 02/02/2010 |
| 7403725 | Imaging drum driving methods and apparatus providing automated setting of control parameters In a drum based imaging system where it may be necessary to change the drum to accommodate different imaging media sizes there is a need to adapt the drum rotational drive system to control the new drum load. An automated process for updating the control parameters ... | 07/22/2008 |
| 7379680 | Systems and methods for determining feed forward correction profile for mechanical disturbances in image forming devices A capability is provided to reduce misregistration effects, and/or color-to-color registration errors, in output multi-color images based on velocity and position deviations and/or disturbances in transfer subsystems in image forming devices. A capability is provide... | 05/27/2008 |
| 7348701 | Driving unit and image forming apparatus A driving unit including a motor, a support bracket supporting the motor, at least one stud supporting a gear which is rotated with a driving force of the motor, and a heatproof member disposed between a frame fastening the support bracket and the stud, and an image... | 03/25/2008 |
| 7286776 | Color image forming apparatus with vibration control method for controlling the same and control program for implementing the method A color image forming apparatus which is capable of preventing deterioration in image formation quality caused by vibrations of a developing unit without halting an image forming operation and using a simple construction. A developing rotary unit incorporates develo... | 10/23/2007 |
| 7274903 | Integrated fuser unit and drive system for use in an electrophotographic imaging process An integrated fuser unit has a drive system with a motor and a drive train mounted in the fuser unit frame. A swing arm assembly engages and disengages the hot roll from the drive train. ... | 09/25/2007 |
| 7161717 | Self-propelled image read module The present invention provides a self-propelled image read module, which comprises a sensor, a guide rod, a motor, a gear set, and a belt. The guide rod is fixed on a base of a scanner. The sensor is slidably matched on the guide rod. The motor is disposed at one si... | 01/09/2007 |
| 7099614 | Color image forming apparatus and method of controlling same An image having a quality superior to that of the prior art is obtained even if there are multiple causes of image degradation. In a color image forming apparatus that includes a plurality of rotating bodies for forming a color image by rotating in cooperation, amou... | 08/29/2006 |
| 7085507 | Method and apparatus to control waste toner collection in an image forming apparatus An image forming apparatus includes a waste toner system that collects waste toner in a waste toner container. An amount of waste toner collected in the container is increased by using a motor-driven toner distributing member that distributes accumulated toner withi... | 08/01/2006 |
| 7079797 | Offset preventing color image forming apparatus An image forming apparatus forms a toner image on a moving member by transferring and superposing component color toner images formed on an image bearer. An image forming apparatus includes a driving device that rotates and transports a moving member, a moving value... | 07/18/2006 |
| 7065308 | Transfer roll engagement method for minimizing media induced motion quality disturbances A method of maintaining a rotational velocity of an imaging drum during engagement with a transfer roll in an image producing device including: forming a nip to transfer an image from the imaging drum to media when the imaging drum is in engagement with the transfer... | 06/20/2006 |
| 6975053 | Rotator driving device, image forming apparatus using the rotator driving device, and method of driving rotator Rotational force of a driving motor is transferred to a photosensitive drum via a planetary-rolle reduction device, so that the photosensitive drum is rotated. A speed detector set on the shaft of the photosensitive drum detects the rotational speed of the photosens... | 12/13/2005 |
| 6933696 | Driving device and image forming device There is described an image-forming apparatus having a rotation system constituted by a driving roller, a driven roller and a transfer belt, threaded on both the driving roller and the driven roller. The apparatus includes: a motor to drive the rotation system, a ro... | 08/23/2005 |
| 6351622 | Image forming apparatus and image forming method using an improved drive and control system An image forming apparatus is provided with a photosensitive body drum for supporting an image, an exposing section for exposing a latent image on the photosensitive body drum, a developing device for supplying developing agent to the latent image which h... | 02/26/2002 |
| 6195514 | Liquid image forming apparatus and method thereof A liquid image forming apparatus includes a rotation speed detection portion provided at one side of the image drying roller for detecting a rotation speed of said image drying roller. A speed comparison portion determines whether the image drying roller ... | 02/27/2001 |
| 6154619 | Apparatus and method for detecting the state of a consumable product such as a replaceable toner cartridge An apparatus is provided for detecting the state of a consumable for a printer. The apparatus includes a consumable cartridge, a drive motor, a current measuring device, memory and processing circuitry. The consumable cartridge has a rotatable member that... | 11/28/2000 |
| 5913091 | Image reading apparatus An image reading apparatus includes one or more sliders which carry optical parts and can linearly reciprocate in a predetermined direction. The apparatus optically scans and thereby reads an image on an original document located at a predetermined positi... | 06/15/1999 |
| 5802422 | Image forming device An image forming device detects a standard pattern transferred to a transfer belt by an image carrier. The standard pattern is transferred onto the transfer belt at an image transfer position and detected at a standard pattern detection position. The dist... | 09/01/1998 |
| 5732306 | Printer on-line diagnostics for continuous low frequency motion quality defects A method and apparatus for accurately and quickly enabling a technical representative to diagnose the source (or identify the component(s)) that is the root cause of the motion quality defect being experienced to reduce down time of the printing machine. ... | 03/24/1998 |
| 5701549 | Image forming apparatus with modular staging assembly A staging assembly for use in an image forming apparatus. The image forming apparatus includes a paper feed assembly having a plurality of rollers for feeding a transfer sheet to an electrophotographic assembly. A removable idler gear is interposed betwee... | 12/23/1997 |
| 5689756 | Rotation abnormality detecting device for use in image forming apparatus An image forming apparatus includes a process unit provided detachably attachable to the apparatus; a driving source provided inside the apparatus and outside the process unit; a power transmitter to transmit a driving force from the driving source; a rot... | 11/18/1997 |
| 5471292 | Image forming apparatus capable of adjusting drive control of developer unit An image forming apparatus includes an image carrier for carrying an electrostatic image, a developer unit having a plurality of developers each for developing the electrostatic image on the image carrier, a drive circuit for driving the developer unit to... | 11/28/1995 |
| 5459553 | Method for eliminating a paper jam in an image forming system A method for eliminating a paper jam from an image forming system is disclosed. The image forming system includes: an engine driving motor, register rollers for arranging paper received from a paper cassette, a register roller clutch for enabling and disa... | 10/17/1995 |
| 5357231 | Photoreceptor for a copier having suppressed fluctuation component An apparatus for rotating a photoreceptor of a given length in its axial direction, comprises a driven system including the photoreceptor and a shaft provided at the axis of the photoreceptor and a driving system including a driving source and a transmiss... | 10/18/1994 |
| 5294969 | Image forming apparatus having a plurality of developing devices Copying apparatus having a movable developing unit provided with a plurality of developing devices. This copying apparatus measures the mechanical characteristics of the drive mechanism driving the developing unit and determines if these characteristics d... | 03/15/1994 |
| 5184179 | Photocopy monitoring system and method for monitoring copiers A system for monitoring a variable output paper processing device is provided. The monitoring system includes a counter which counts the number of papers processed and provides a count signal for each paper counted. A controller receives the count signals... | 02/02/1993 |
| 4965637 | Control device for an image forming apparatus A control device for a copier is disclosure which detects an error of a drive system and which drives a photoconductive element. The device includes a motor and uses an output of a toner sensor responsive to the density of a toner image which is formed on... | 10/23/1990 |
| 4812876 | Motor control device for a copying machine A motor control device for a copying apparatus which is so arranged as to individually control the motors for driving the movable components of the copying apparatus and is provided with a ten-key board designed to set a test mode and designate a motor to... | 03/14/1989 |
| 4723145 | Color image forming apparatus comprising separate motors for driving the image bearing member and the transfer material supporting member A color image forming apparatus including an image bearing member movable along an endless path, on which color toner images are formed, a transfer material supporting member movable along an endless path for supporting a transfer material and conveying i... | 02/02/1988 |
| 4577953 | Apparatus for detecting normal/abnormal mounting of belt-like photosensitive member in copying machine A copying machine uses a belt-like photosensitive member installed between a pair of rollers from which the belt-like photosensitive member is freely detachable or mountable on these. The preferred embodiments are capable of controlling the copying process ... | 03/25/1986 |
| 4506974 | Copying machine A copying machine includes a drive motor for driving the copying machine, a device for generating a start signal for starting the drive motor, an auto-shut device for stopping the drive motor a predetermined period of time after the completion of a copyin... | 03/26/1985 |
| 4500957 | Timing control system for determining abnormal motor operation A control system for a machine includes a pulse generator for generating a pulse signal synchronized with the speed of drive of the machine and a programmed control device for receiving the pulse signal and controlling the sequence of operation of the mac... | 02/19/1985 |
| 4486092 | Mechanism for preventing collision of half-speed mirror from occurring in variable scale factor copying apparatus A collision preventing mechanism for preventing a collision between a zoom lens system and a half-speed mirror in a variable scale factor copying apparatus for forming an electrostatic, latent image through the lens system onto a photo-sensitive drum by s... | 12/04/1984 |
| 4464044 | Image forming apparatus A copying apparatus is provided with a microprocessor having a memory storing programs for executing various diagnostic modes. When a combination check mode is designated by an operator selecting a combination of keys on the ten keys of a keyboard, the mi... | 08/07/1984 |
