Matches 1 - 50 out of 121 1 2 3 >


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US20070248366 Devices for moving a media sheet within an image forming apparatus  
The present application is directed to devices for determining the position of a media sheet. An encoder roller is positioned to contact a media sheet. In one embodiment, the encoder roller is...
US20080240818 FEED TRAY EXTENSION FOR AN ELECTION BALLOT PRINTING SYSTEM  
An election ballot printing system includes a printer support structure which carries a printer. The printer and printer support structure are coupled together so that movement between them is...
US20100296851 Sheet feeding device and electrophotographic image forming apparatus  
A sheet feeding device incorporable in an image forming apparatus includes a sheet holder to hold a stack of sheets including an uppermost sheet, an endless belt, a charging member, a belt...
US20100092226 Controlled Velocity Decoupling Device For Improved Media Registration At Transfer  
A controlled velocity decoupling device for improved media registration at transfer in a reprographic device includes a one-way clutch in a drive roll of a registration subsystem to decouple...
US20070019971 Image forming device adjusting conveying gap between consecutively fed sheets  
A laser printer forms images on a recording sheet fed from a paper cassette. A conveying gap between consecutively fed recording sheets is adjusted such that a conveying gap between consecutively...
US20090297241 STRUCTURE TO GUIDE PRINT MEDIUM AND IMAGE FORMING APPARATUS EMPLOYING THE SAME  
A structure to guide a take-in direction of a print medium to be taken in a carrying part where the print medium is carried, the structure includes: a guide unit which changes a travel direction...
US20100059926 ROTATION-BODY CONTROLLING APPARATUS, SHEET FEEDING APPARATUS, AND IMAGE RECORDING APPARATUS  
A rotation-body controlling apparatus including: a first motor configured to rotate a first rotation body; a second motor configured to rotate a second rotation body; a first rotation amount...
US20070147919 Image forming apparatus including shutter arm unit  
An image forming apparatus includes a printing unit and a shutter arm unit. The shutter arm unit includes a shutter arm that swings to first and second positions, and a stopper arm, connected to...
US20050179763 Media handling  
An apparatus for handling print media is disclosed. In one example embodiment, the apparatus includes a support and cups mounted on the support, the cups being disposed different distances from...
US20080290579 Image-Forming Device with Interlockingly Movable Two Paper Guide Members  
An image-forming device includes a casing, a photosensitive drum, a transfer roller, a first guide member, and a second guide member. The first guide member is disposed upstream of the transfer...
US20120237279 Sheet Conveyer Device and Image Forming Apparatus  
A sheet conveyer device is provided. The sheet conveyer device includes a sheet tray, a feeder roller, a separator roller, a roller holder to rotatably support the feeder roller and to be coupled...
US20100278573 MOVEABLE TRAIL EDGE SENSOR FOR DUPLEX REGISTRATION  
A print device for registering a printable medium during a duplex printing process. The print device includes a controller, at least one leading edge sensor operably connected to the controller,...
US20120230745 SHEET FEEDER AND IMAGE FORMING APPARATUS  
A sheet feeder includes an attraction separation unit including an attraction belt facing the upper surface of a stacked sheet bundle to attract an uppermost sheet thereof, and rotatably supported...
US20110064499 CLOSED LOOP STALLED ROLL REGISTRATION  
This invention uses a paper registration device with a paper transport and a stalled roll together with an upstream and downstream CIS to enable paper skew measurements. The upstream CIS is...
US20130287463 SHEET PROCESSING APPARATUS, METHOD FOR DETECTING LATERAL POSITION DEVIATION AMOUNT OF SHEET, AND IMAGE FORMING SYSTEM  
A sheet processing apparatus capable of detecting a lateral position deviation amount of a sheet with high precision and at a high speed. A sheet sensing unit includes two or more sensors, each of...
US20120008997 SHEET FEEDING DEVICE, AUTOMATIC SHEET TRANSFER DEVICE AND IMAGE FORMING DEVICE  
A sheet feeding device comprising a supply roller for feeding sheets mounted on a tray, a drive shaft for supporting the supply roller and rotationally driving the same, first and second...
US20110150549 IMAGE FORMING APPARATUS  
The present invention provides an image forming apparatus having an upstream conveying portion, a downstream conveying portion, and a contact loop detection portion to detect a loop of the sheet...
US20060133873 Belt drive controlling method, belt drive controlling apparatus, belt apparatus, image forming apparatus, and computer product  
An endless belt is spanned around at least one driving member and at least one supporting member. The driving member is driven by a pulse motor. An angular displacement of the driving member is...
US20110217104 PARRYING STRUCTURE AROUND SHEET JUNCTION  
According to one embodiment, a parrying structure around sheet junction including a first transporting guide that guides a sheet medium, a second transporting guide that guides the sheet medium...
US20070140768 Image forming apparatus and conveyance device  
An image forming apparatus includes: an image forming part; a first conveyance roller that conveys a recording medium to the image forming part; a forward/reverse-rotatable second conveyance...
US20150050058 TRANSLATING PRE-TRANSFER BAFFLE FOR OPTIMIZED PERFORMANCE  
An apparatus adapted for presenting a sheet of media to an image transfer structure. The apparatus includes a registration baffle positioned in an offset relationship relative to the image...
US20140193186 SHEET CONVEYANCE APPARATUS AND IMAGE FORMING APPARATUS  
A sheet conveyance apparatus includes a sheet conveyance unit configured to convey a sheet, a transfer unit disposed downstream of the sheet conveyance unit and configured to transfer a toner...
US20090074492 Belt Rotating Device and Image Forming Apparatus  
A belt rotating apparatus capable of improving a durability with respect to flexion fatigue of a belt and capable of reducing the occurrence of the breakage of the belt; and an image forming...
US20070286655 Apparatus for providing delay signals to perform print scan line synchronization within a laser printer  
An apparatus for providing delay signals to perform print scan line synchronizations within a laser printer is disclosed. The apparatus includes a voltage-control oscillator, a frequency divider...
US20060269337 Image forming apparatus with error correction for length of transfer sheet  
An image forming apparatus is configured so that a first detection position and a second detection position are set along the direction of conveying a transfer material between adjacent conveyance...
US20090185846 Sheet transfer apparatus and image forming apparatus  
A disclosed apparatus includes a first unit upstream of a first path to transfer a sheet; a second unit upstream of a second path to transfer another sheet from opposite side of the first path; a...
US20080063450 IMAGE FORMING APPARATUS HAVING A COMPACT SIZE  
An image forming apparatus having a compact size includes a printing medium supplying unit to hold printing media and to supply a printing medium, an image forming unit disposed above the printing...
US20050158093 Image forming apparatus in which recording sheet having tab is used  
An image forming apparatus includes: a feeding section for feeding sheets with tabs and sheets without tabs; a tab detecting section for detecting the end position, in the sheet conveyance...
US20140037350 SHEET CONVEYER DEVICE AND IMAGE FORMING APPARATUS  
A sheet conveyer, including a manual-feed conveyer path; a first sensor to detect presence of the sheet inserted in the manual-feed conveyer path; an upstream-side conveyer and a downstream-side...
US20080075509 IMAGE FORMING METHOD AND IMAGE FORMING APPARATUS  
In an image forming method, an electrostatic latent image formed on a surface of a photoreceptor is developed into a developer image with a developer, and a printing paper transported on a...
US20090245837 FUSER ASSEMBLY HEATER TEMPERATURE CONTROL  
A printer is provided comprising substrate transport apparatus for moving substrates through the printer along a substrate path; a pick mechanism for removing substrates from a storage tray and...
US20050254870 Image recording apparatus and its control method  
After a skew of a sheet as a recording medium is corrected by correcting a sheet curve, exposure writing on a photosensitive drum is started synchronously with re-driving of resist rollers. When a...
US20100061785 Sheet feeding device and image forming apparatus including the same  
A sheet feeding device including a sheet feed cassette. The sheet feed cassette includes a tray extendable and contractible in a direction of sheet feed; a guide member having a long groove...
US20070014598 Transport device and image-formation device  
A system that prevents the engagement of an intermediate gear and a driven gear from releasing due to a force from the driven gear without increasing an arrangement angle is described. A surface...
US20120237280 SHEET DETECTING APPARATUS AND IMAGE FORMING APPARATUS  
A sheet detecting apparatus including: a sheet detecting member having a plurality of abutment surfaces in a peripheral direction thereof, the sheet detecting member being rotated by a conveyed...
US20080080916 Transport apparatus and image-forming apparatus  
A transport apparatus includes a transport unit that includes a transport path through which a transported material is transported; and a positioning-and-holding unit that includes a...
US20100111583 SHEET FEEDING DEVICE AND IMAGE FORMING APPARATUS  
A sheet feeding device includes a sheet supporting portion which supports sheets, a restricting member which is movably disposed in the sheet supporting portion and is moved to a position...
US20110150548 IMAGE FORMING APPARATUS  
The present invention provides an image forming apparatus including an upstream conveying portion, a downstream conveying portion, and a loop detector, wherein the image forming apparatus further...
US20100021219 Sheet transporting device  
Fixed electrodes 16a having a positive potential are disposed in positions not corresponding to the positions of print heads and covered with a dielectric layer 17. A conveyor belt 10 includes a...
US20070041762 IMAGE PRINTING APPARATUS  
The present invention provides an image printing apparatus which comprises registration roller unit which convey an image recording sheet toward an image transfer position at which the toner image...
US20090180822 Image Forming Device  
An image forming device includes a plurality of medium feed units configured to feed a recording medium on respective carrying routes, an image forming unit configured to form an image on the...
US20090066008 Feeding method, feeding device, and image forming system  
A starting unit starts, in parallel with a blowing operation for a first tray, a blowing operation for a second tray that is to perform a feeding operation next. When a predetermined time elapses...
US20100183350 SHEET FEEDING DEVICE AND IMAGE FORMING APPARATUS  
A sheet feeding device includes a sheet accommodating unit supported by an apparatus main body in an insertable and withdrawable manner in a direction orthogonal to a feeding direction of the...
US20100104337 SHEET FEEDING DEVICE AND IMAGE FORMING APPARATUS  
A sheet feeding device includes a sheet storing unit in which sheets are stacked; a lifting unit that lifts and lowers the sheets; an air blowing unit that blows air to an end faces of the stacked...
US20140212194 SHEET FEEDING CASSETTE, SHEET FEEDING DEVICE, AND IMAGE FORMING APPARATUS  
A sheet feeding cassette according to one aspect of the present disclosure is a sheet feeding cassette that displaces a bottom plate loaded thereon with a sheet to a sheet feeding position by...
US20150030365 IMAGE FORMING APPARATUS  
Disclosed is an image forming apparatus capable of preventing a paper jam in an arc-shaped sheet passing path for turning around a sheet and transporting the sheet in a double-sided transporting...
US20140064813 IMAGE FORMING APPARATUS  
An improved image forming apparatus is described in which, even when a conveyance unit is switched from a pressure engaged state to a disengaged state, misalignment of a sheet during conveyance...
US20100329758 SHEET SUPPLYING DEVICE, IMAGE FORMING APPARATUS, AND IMAGE FORMING SYSTEM USING THE SAME DEVICE  
A sheet supplying device, including a sheet accommodating section which accommodates recording sheets, and is removable from a main body of the sheet supplying device, a locking section which...
US20150220054 SHEET FEEDING DEVICE AND IMAGE FORMING APPARATUS  
A sheet feeding device includes an attracting mechanism and a changing mechanism. The attracting mechanism includes a lifting section and a maintaining section. The lifting section attracts a...
US20110236099 IMAGE-FORMING DEVICE  
An image-forming device includes a casing, a conveying path, a pair of registration rollers, and a process cartridge. The conveying path is disposed in the casing to convey a recording sheet. The...

Matches 1 - 50 out of 121 1 2 3 >