摘要:
A process cartridge of an image-forming apparatus including a cartridge frame, first and second plates assembled to both sides of the cartridge frame, and first through fourth guiding protuberances arranged on both sides of the cartridge frame, to guide attachment/detachment of the process cartridge to and from a cartridge mounting part formed on a main body frame of the image-forming apparatus. The first and the third guiding protuberances among the four guiding protuberances are formed on the first and the second plates, and the second and the fourth guiding protuberances are formed on both sides of the cartridge frame, respectively, and the first and the second through holes to receive the second and the fourth guiding protuberances in a passing through manner, are formed in the first and the second plates.
摘要:
A process cartridge of an image-forming apparatus including a cartridge frame, first and second plates assembled to both sides of the cartridge frame, and first through fourth guiding protuberances arranged on both sides of the cartridge frame, to guide attachment/detachment of the process cartridge to and from a cartridge mounting part formed on a main body frame of the image-forming apparatus. The first and the third guiding protuberances among the four guiding protuberances are formed on the first and the second plates, and the second and the fourth guiding protuberances are formed on both sides of the cartridge frame, respectively, and the first and the second through holes to receive the second and the fourth guiding protuberances in a passing through manner, are formed in the first and the second plates.
摘要:
An image forming apparatus including a first driving section having a feed mechanism and a printer engine, a second driving section having a delivery mechanism, a first motor, a second motor, and a controller. The first and second motors drive the first and second driving sections, respectively. The power supplied to one of the first and second motors having a higher output is cut off earlier by a predetermined compensation time as compared to the other motor having a lower output. The compensation time is equal to or shorter than the difference |T1−T2| between a first stop time T1 required to actually stop the first motor after cut-off of the power supplied to the first motor and a second stop time T2 required to actually stop the second motor after cut-off of the power supplied to the second motor.
摘要:
A multifunction product comprising a main machine, a flat bed for mounting a document on an upper part, a flat bed cover with one end being hinge-joined to the main machine, to open and close the flat bed, a scanner for scanning a document set on the flat bed, and converting an optical signal obtained from the scanning into an electrical signal, a printing unit closely installed on the lower part of the scanner, a paper feeder for supplying a paper to the printing unit, and a discharged paper tray installed on one side of the main machine and formed at a predetermined sloping angle with respect to the mounting direction, to receive in the paper delivering direction. The discharged paper tray is formed to receive a discharged paper so as to prevent possible damage to the paper which is usually weakened by the high temperature and high pressure of the printing unit.
摘要:
An electrophotographic image forming apparatus may include a developing unit installed above a photosensitive drum, a pickup roller installed above a photosensitive drum to draw a sheet of paper from a paper feed cassette, and a paper transportation path extended below from the pickup roller. An exposure unit and the paper transportation path are installed in rear and front sides of a housing, respectively, to interpose the developing unit therebetween. The developing unit includes a developing roller and a toner container extended above from a front end of a bottom of the housing, the toner container having a height longer than a width.
摘要:
A multi-function office product having a printer unit comprising a printer body, print engine and a first connecting portion, removably coupled with a scanner unit comprising a scanner body, flat bed, image sensor and a second connecting portion. The scanner body can be detachably connected to the upper portion of the printer body, wherein the connection of the first and the second connecting portions provides an electrical connection between each. The printer body and the scanner body comprise fastening holes and fastening protrusions for the mechanical connection thereof, and comprise first and second connecting portions for the electrical connection. As a result, connecting and disconnecting the printer unit and the scanner unit becomes easy, and retrieving printed papers and resolving maintenance tasks, such as paper jam removal and repairs, can be carried out with efficiency and convenience.
摘要:
An electrophotographic image forming apparatus may include a developing unit installed above a photosensitive drum, a pickup roller installed above a photosensitive drum to draw a sheet of paper from a paper feed cassette, and a paper transportation path extended below from the pickup roller. An exposure unit and the paper transportation path are installed in rear and front sides of a housing, respectively, to interpose the developing unit therebetween. The developing unit includes a developing roller and a toner container extended above from a front end of a bottom of the housing, the toner container having a height longer than a width.
摘要:
An image forming apparatus including a first driving section having a feed mechanism and a printer engine, a second driving section having a delivery mechanism, a first motor, a second motor, and a controller. The first and second motors drive the first and second driving sections, respectively. The power supplied to one of the first and second motors having a higher output is cut off earlier by a predetermined compensation time as compared to the other motor having a lower output. The compensation time is equal to or shorter than the difference |T1−T2| between a first stop time T1 required to actually stop the first motor after cut-off of the power supplied to the first motor and a second stop time T2 required to actually stop the second motor after cut-off of the power supplied to the second motor.
摘要:
An image forming apparatus including a subsidiary charge roller and a development roller, wherein the diameter ratio I of the subsidiary charge roller to the development roller is in the range of 0.45 to 0.8. The subsidiary charge roller and the development roller can be arranged such that the linear velocity of the subsidiary charge roller Vs is larger than the linear velocity of the development roller Vd, and preferably the linear velocity ratio K of the subsidiary charge roller to the development roller is in the range of 1.01 to 1.06. Alternatively, the image forming apparatus can further include a compression section for applying a predetermined pressure to the opposite ends of the shaft of the subsidiary roller and a development roller gear coaxially formed on the development roller shaft.
摘要:
A multifunctional device including an image reading unit to read documents, a printer including an accumulating unit on which printing media with images formed by a developing unit are accumulated, and an emitting unit which emits heat generated from the developing unit, and a ventilator which is installed in the accumulating unit and connected to an inside of the printer. In the device, heat generated from the printing media is emitted via the ventilator so that the heat is not transferred to the image reading unit.