Abstract: An engine portion to perform an image forming job, a motor to drive the engine portion, and a drive circuit to provide power to the motor are included in an image forming apparatus. The drive circuit includes a sensor that detects a current amplitude of the power provided to the motor. A processor of the image forming apparatus provides a drive command to the motor and determines whether the motor is abnormal based on the drive command and a current amplitude detected after the drive command is provided.

Abstract: An electronic device is disclosed. The electronic device comprises a circuit board, a memory part comprising a plurality of first memory chips mounted on the circuit board, a socket part comprising a plurality of terminals electrically connected to a memory module which comprises a plurality of second memory chips, a memory controller for controlling the operation of the plurality of first memory chips and, when the memory module is connected to the socket part, controlling the operation of the plurality of first memory chips and the plurality of second memory chips, a conductive pattern comprising a control line which sequentially connects, from the memory controller, one or more of the plurality of terminals on the socket part and the plurality of first memory chips, and a capacitive element connected to the control line at a preset position between the one or more terminals on the socket part and the memory controller.

Abstract: Provided is a method of detecting release of a development nip of an image forming apparatus that includes a photoconductor and a developing roller to contact each other to form a development nip and to be away from each other to release the development nip. The method includes obtaining a reference load, after charging the photoconductor in a state in which the development nip is formed, by measuring a load of a transfer system including the photoconductor and a transfer roller, release the development nip and blocking light irradiated from an exposing unit to the photoconductor, obtaining a detected load by measuring a load of the transfer system after exposing the photoconductor, and determining whether the development nip is normally released based on the reference load and the detected load.

Abstract: A sheet supplying apparatus includes a cam gear to rotate about a first axis of rotation between first and second rotating positions, and an alignment member rotatable to an alignment position to block a fore-end of a sheet of a printing medium contained on a loading table, and a transport-allowing position to allow a sheet picked up by a pickup member to be transported, according to the rotating position of the cam gear. The sheet supplying apparatus includes a main gear to rotate about a second axis of rotation, a swing arm rotatable about the second axis of rotation, and first and second swing gears, supported by the swing arm, to selectively contact the cam gear according to a rotating direction of the main gear so as to rotate the cam gear between the first and second rotating positions.

Abstract: Provided are a charging member coupleable to an electrophotographic imaging apparatus. The charging member includes an electrically-conductive support body, an electrically-conductive elastomer layer stacked on a surface of the electrically-conductive support body, and an electrically-conductive resin layer stacked as an outermost layer on the electrically-conductive elastomer layer. The electrically-conductive resin layer includes a binder resin and particles comprising at least one type of particles selected from resin particles and inorganic particles, wherein a relative dielectric constant (?r1) of the binder resin is greater than or about equal to a relative dielectric constant (?r2) of at least one type of particles.

Abstract: An image forming apparatus includes an image former to print on a printing paper a plurality of lines that are arranged at intervals in a main scanning direction and are vertical to the main scanning direction using different photosensitive drums, a scanner is to scan the printing paper on which the plurality of lines are printed to obtain a scanned image usable in a color registration correction.

Abstract: An image forming apparatus includes a main body, a tray for a toner cartridge slidably coupled to the main body, a lever hinge-coupled to the tray to rotate, and a link member, hinge-coupled to the lever, to move when the lever is rotated. The lever rotates in a first direction when the tray is pushed into the main body and rotates in a second direction opposite to the first direction when the tray is pulled out from the main body. The link member moves in a third direction when the lever is rotated in the first direction to so that pressure is applied to a customer replacement unit memory (CRUM) contact unit and moves in a fourth direction opposite to the third direction when the lever is rotated in the second direction so that the pressure is released from the CRUM contact unit.

Abstract: An image forming method and apparatus, includes setting a processing order of a plurality of operations of a same image data and detailed setup information of the plurality of operations, and executing the plurality of operations using the detailed setup information according to the set processing order.

Abstract: Disclosed is an image acquiring method. The image acquiring method includes receiving an instruction to acquire a one-side image to acquire an image on a first side of a document; obtaining a penetrated image of the first side of the document, which is seen on the second side, with a second image sensor for obtaining an image on a second side of the document, while the document is being fed; obtaining an image on the first side of the document with a first image sensor for obtaining an image on the first side of the document, while the document is being fed; and processing the image on the first side based on the penetrated image of the first side.

Abstract: A method of printing at least one of contents shared between applications installed in an operating system (OS), and a computing apparatus to perform the method. According to the method, a printing application is executed by activating a companion window according to a share action requested to share the content being used in a source application, and a printing operation is performed through the activated companion window.

Abstract: An image forming apparatus and method thereof are provided. The image forming apparatus includes: a scanner configured to generate a scan image by scanning a document, a processor configured to generate color information of a medium representing content of the document using a predetermined area of the scan image, and to gamma-correct color of an entire area of the scan image based on the color information, and a printer configured to print the gamma-corrected scan image.

Abstract: A developing cartridge includes: a photosensitive unit; a developing unit coupled to the photosensitive unit to be movable between a release position and a developing position; an elastic member to provide an elastic force in a direction to maintain the developing unit at the developing position; a movable member including a gear portion, the movable member and capable of moving to a first position to move the developing unit to the release position and second position to move the developing unit to the developing position; and a switching member connected to a driving gear, wherein as the driving gear rotates in a first direction or a second direction, the switching member is switched between a third position at which the switching member is connected to the gear portion to move the movable member from the second position to the first position and a fourth position at which the switching member is spaced apart from the gear portion to allow the movable member to move from the first position to the second pos

Abstract: A sheet supplying apparatus includes an alignment member pivotable to an alignment location for blocking and aligning fore-ends of media contained on a loading table, and a transport-allowing location for allowing a medium picked up by a pickup member to be transported, a cam gear including a gear portion partially including a tooth-omitted portion, and a cam portion for switching the alignment member between the alignment location and the transport-allowing location at first and second rotating locations, a swing arm pivotable about a same axis as a rotation axis of a main gear, and first and second swing gears supported by the swing arm to interlock with the main gear, selectively interlocking with the gear portion according to a rotating direction of the main gear, and rotating the cam gear to the first and second rotating locations.

Abstract: Disclosed herein is an image forming apparatus having a structure improved such that a user easily opens and closes a printing media cassette. The image forming apparatus includes an apparatus body, a printing media cassette to receive printing media, the printing media cassette being movably coupled to the apparatus body, a first lever provided at the printing media cassette, a second lever provided in the apparatus body, the second lever being coupled to the first lever, turning, and being separated from the first lever when the printing media cassette is closed.

Abstract: Provided is a fixing device for preventing an increase in torque when a fixing belt starts to be driven. The fixing device may include a fixing belt that is rotatable; a pressure roller configured to pressure-contact an outer circumferential surface of the fixing belt and to form a fixing nip portion between the pressure roller and the fixing belt. A contact member is located inside the fixing belt and includes a contact portion that contacts an inner circumferential surface of the fixing belt. The contact portion includes a surface having a plate shape that faces the pressure roller and a plurality of protrusions that protrude from the surface toward the pressure roller.

Abstract: A sheet supplying apparatus includes an alignment member pivotable to an alignment location for blocking and aligning fore-ends of media contained on a loading table, and a transport-allowing location for allowing a medium picked up by a pickup member to be transported, a cam gear including a gear portion partially including a tooth-omitted portion, and a cam portion for switching the alignment member between the alignment location and the transport-allowing location at first and second rotating locations, a swing arm pivotable about a same axis as a rotation axis of a main gear, and first and second swing gears supported by the swing arm to interlock with the main gear, selectively interlocking with the gear portion according to a rotating direction of the main gear, and rotating the cam gear to the first and second rotating locations.

Abstract: Disclosed herein is an image forming apparatus having a structure improved such that a user easily opens and closes a printing media cassette. The image forming apparatus includes an apparatus body, a printing media cassette to receive printing media, the printing media cassette being movably coupled to the apparatus body, and at least one lever movably disposed in the apparatus body, the lever contacting the printing media cassette to pull the printing media cassette into the apparatus body and then being separated from the printing media cassette when the printing media cassette is closed.

Abstract: A toner for developing an electrostatic image including a binder resin, a coloring agent, and a releasing agent are provided. A particle of the toner satisfies conditions of Equation (1) (W(L)/T(L)?0.1 and Equation (2) 15<Nstain, where Nstain refers to a number of stained releasing agent domains when the particle of the toner is stained with ruthenium tetraoxide (RuO4) and a cross section of the particle of the toner is observed, W(L) refers to a longest length of lengths of the stained releasing agent domains, and T(L) refers to a longest length of the cross section of the particles of the toner.

Abstract: A fax function diagnosis method and an apparatus for performing the method are provided. The fax function diagnosis method includes receiving a diagnosis request to diagnose a fax function of an image forming apparatus, diagnosing the fax function of the image forming apparatus by transmitting or receiving a test page, and performing an operation based on a result of the diagnosing.

Abstract: An image forming apparatus includes a fuser to fuse a print medium having a surface on which toner is developed, the fuser including a heating element, and a controller to control a power source to the heating element by varying a duty control cycle according to a temperature of the fuser.