摘要:
A xerographic marking device includes a media transport path and at least one two-color image-on-image (IOI) drum module. Each two-color IOI drum module includes in a process order around a photoreceptor: a) a first charging unit; b) a first exposure unit; c) a first development unit; d) a second charging unit; e) a second exposure unit; and f) a second development unit, wherein the intermediate transfer unit receives a first toned image and a second toned image from the photoreceptor in a single transfer and transfers those toner images to print media to produce a toned image on print media. In various embodiments, the xerographic marking device is modular and includes a common paper transport module having a cavity and a marking engine sized to fit within the cavity.
摘要:
A cartridge and method that is useful in installing an endless belt in one or more modules of a belt containing system is disclosed. The cartridge may include at least two internal cartridge rolls around which said belt is wound, a traveling roll around which belt is positioned, and gear racks on which said traveling roll will move, said belt being movably connected on one end to one of said internal cartridge rolls and on an opposite end to said traveling roll, end caps located at each end of said internal cartridge rolls, said end caps and internal cartridge rolls having conduits therethrough, and a sheath to cover and contain said internal cartridge rolls.
摘要:
A xerographic marking device includes an intermediate transfer unit, a media transport path and at least one two-color image-on-image (IOI) drum module. Each two-color IOI drum module includes in a process order around a photoreceptor; a) a first charging unit; b) a first exposure unit; c) a first development unit; d) a second charging unit; e) a second exposure unit; and f) a second development unit, wherein the intermediate transfer unit receives a first toned image and a second toned image from the photoreceptor in a single transfer and transfers those toner images to print media to produce a toned image on print media. In various embodiments, specific color pairings are provided.
摘要:
A method and apparatus for maintaining the air pressure within a xerographic module/chamber of an image forming device above ambient pressure outside of the xerographic module/chamber which uses a pressure sensor, e.g., an altimeter to monitor ambient atmospheric pressure, and a microprocessor to control and maintain air pressure to a determined set point.
摘要:
Apparatus for transporting sheets in a longitudinal direction includes an improvement for reducing the imparting to the sheet material of friction, static charge, and foreign deleterious material while substantially minimizing the burnishing of the surface of the sheets. To this end, a plurality of elongated sheet supporting rib members project outwardly from a guide surface, extend diagonally relative to the longitudinal direction, are all of uniform height above the sheet guide surface, and are of uniform cross section. The sheet supporting rib members are so dimensioned and positioned that any random element of a sheet being fed in the longitudinal direction through the apparatus crosses only one of the sheet supporting rib members. Actually, a plurality of first sheet supporting rib members extend diagonally in a first direction and another plurality of elongated second sheet supporting rib members extend diagonally in a second direction which is transverse of the first direction. The incidence angle between the longitudinal direction and each of the sheet supporting rib members is in the range of about 5° to about 30° and, preferably, in the range of about 10° to about 20°. A drive roll mechanism may be provided for engaging the sheets in the region of the sheet supporting rib members.
摘要:
A roll fusing apparatus for effectively heating and fusing quality toner images on various different types of substrates is provided. The roll fusing apparatus includes a frame; a heated fuser roller having a first end and a second end respectively mounted to the frame; and a pressure roller mounted to the frame and forming a fusing nip with the heated fuser roller. The heated fuser roller and the pressure roller are movable for receiving, heating and applying a nip force to toner images being moved through the fusing nip on various different types of substrates. The roll fusing apparatus importantly includes a fusing nip force controlling assembly for precisely setting and controlling fusing nip forces within the fusing nip at different values for effectively heating and fusing quality toner images on the various different types of substrates. The fusing nip force controlling assembly includes a piezoelectric member connected to at least one of the heated fuser roller and the pressure roller for producing an electrical signal responsively and proportionally to a nip force being applied within the fusing nip between the heated fuser roller and the pressure roller.
摘要:
A media loading and unloading system, for use with a media cutting system having a cutting table and cutting apparatus to cut or score media held on a surface of the cutting table, includes an elevator assembly and a bi-directional transport system. The elevator assembly includes a drive and multiple vertically displaced bins that are vertically movable up and down by the drive. The bi-directional transport system transports media in a lateral feed direction from the elevator assembly to the cutting table surface and removes media from the cutting table surface in a lateral direction opposite to the feed direction to the elevator assembly.
摘要:
A tri-roll curler apparatus includes an inlet roll, and exit roll, and a penetrating roll. The three rolls have substantially equal radii. At least one of the penetrating roll, and the inlet and exit rolls may be movable. Distances between the penetrating roll and the inlet roll, and the penetrating roll and the exit roll are substantially equal.
摘要:
A xerographic marking device includes an intermediate transfer unit, a media transport path and at least one two-color image-on-image (IOI) drum module. Each two-color IOI drum module includes in a process order around a photoreceptor: a) a first charging unit; b) a first exposure unit; c) a first development unit; d) a second charging unit; e) a second exposure unit; and f) a second development unit, wherein the intermediate transfer unit receives a first toned image and a second toned image from the photoreceptor in a single transfer and transfers those toner images to print media to produce a toned image on print media. In various embodiments, specific color pairings are provided.
摘要:
A media feeding and cutting system is disclosed herein which comprises a media cutter including a cutting surface and a digital cutting device, a first feeder configured to automatically transport individual sheets of media from an in-feed receptacle toward the cutter, a positioner configured to position the medium on the cutting surface, a second feeder disposed adjacent to or connected to the cutting surface which is configured to automatically transport the cut medium from the cutter to an out-feed receptacle, and a processor configured to operate the cutter, first feeder, positioner and second feeder. Additional related systems and methods also are disclosed.