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Lexmark International, Inc. is an American corporation that manufactures laser printers and provides enterprise services. The company is headquartered in Lexington, Kentucky, in the United States. Wikipedia.


A toner cartridge for use with a developer unit of an image forming device includes a housing having a front, a rear, a top, a bottom, a first side and a second side. The housing has a reservoir for holding toner. An outlet port is positioned on the housing for transferring toner from the reservoir to the developer unit. An alignment slot on the front of the housing is open at a bottom end of the alignment slot to receive an alignment pin of the developer unit. The alignment slot has a width that narrows from the bottom end of the alignment slot to a middle section of the slot and that widens from the middle section of the alignment slot to a top end of the alignment slot.


A method for providing a page countdown for a replaceable unit of an image forming device according to one embodiment includes calculating a number of pages remaining until the replaceable unit will reach the end of its life. The calculated number of pages remaining until the replaceable unit will reach the end of life is displayed on a display screen. After the calculated number of pages remaining is displayed, the displayed number of pages remaining is decreased in response to printing of pages by the image forming device, the number of pages remaining is recalculated and a discrepancy between the displayed number of pages remaining and the recalculated number of pages remaining is tracked. If the discrepancy exceeds a predetermined error threshold, the recalculated number of pages remaining is displayed and the displayed number of pages remaining continues to be decreased from the displayed recalculated number of pages remaining.


A method for forming a Z-directed component for insertion into a mounting hole in a printed circuit board according to one example includes filling a first cavity having a tapered surface with a body material. A first layer of a constraining material is provided on top of the first cavity and has a second cavity having a width that is smaller than the first cavity. The second cavity is filled with the body material. Successive layers of the constraining material are provided on top of the first layer of the constraining material. Cavities of the successive layers of the constraining material are selectively filled with at least the body material to form layers of the main body portion of the Z-directed component. The constraining material is dissipated to release the Z-directed component from the constraining material and the Z-directed component is fired.


A developer unit according to one example embodiment includes a housing having a reservoir for storing a developer mix that includes toner and magnetic carrier beads. A magnetic roll includes a stationary core and a sleeve positioned around the core that is rotatable relative to the core. The stationary core includes at least one permanent magnet having circumferentially spaced magnetic poles. An upper and a lower magnetically permeable metal shunt are positioned at each axial end of the magnetic roll. Each upper shunt and each lower shunt is positioned axially outboard of the core and in close proximity to the outer surface of the sleeve.


A memory module, including a plurality of memory cells and a plurality of signal lines for communicating with a processing device. The memory module is configured such that following reception of a command and upon encountering a first condition while processing the command, the memory module limits a voltage on a first signal line of the plurality of signal lines to be no more than an intermediate voltage greater than voltage levels corresponding to a binary zero state and less than voltage levels corresponding to a binary one state for a period of time for indicating an occurrence of the first condition.

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