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Printer and method for operating same

A printing equipment and signal technology, applied in the printing field, can solve the problems of lack of drum drive servo control, excessive drum acceleration, excessive penetration load, etc.

Inactive Publication Date: 2014-04-09
XEROX CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

These unintended high torque phenomena include, but are not limited to: (i) pressure rollers attempting to climb up the leading edge of the media under excessive transfix load; shingled media, causing the pressure roller to climb up the leading edge of the shingled media; (iii) commanding excessive drum acceleration; (iv) lack of servo control of the drum drive, resulting in undesirably high acceleration; or (v) excessive penetration load

Method used

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  • Printer and method for operating same
  • Printer and method for operating same
  • Printer and method for operating same

Examples

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Embodiment Construction

[0017] refer to figure 1 , an exemplary printer with belt slip detection is shown in the form of a solid ink printer 10 . Printer 10 includes a rotatable imaging drum 12 . The imaging drum 12 is driven by a motor ( figure 1 not shown) drive. Solid ink 14 in printer 10 is melted and printhead 15 deposits the melted ink on imaging drum 12 . The imaging drum 12, ink 14, printhead 15 and motor are all located within a housing 18 of the printer. As paper 16 is fed through printer 10 and contacts imaging drum 12, ink on imaging drum 12 is transferred from the drum to paper 16 to produce the desired image. The term "printer", "printing device" or "printing system" used in this specification includes any device that performs a printout function for any purpose, such as a digital copier, a bookmaking machine, a facsimile machine, a multifunction machine wait. As used herein, the term "marking material" includes any colorant or other material used to mark paper or other media. Ex...

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Abstract

An imaging system for a printer utilizing a friction belt drum drive is comprised of a drum position sensor, drum pulley, drive belt, motor pulley, drive motor, drive motor position sensor, and controller. The velocities of the drum and motor drive pulleys are measured using the controller and position sensors. These velocities along with the drive ratio are used to determine and monitor slip between the belt and pulleys. The magnitude of the slip measured can be used to trigger the controller to respond to the slip event. These responses may include, for example, disabling the motor or reducing motor current or providing a warning indicative of an excessive slip event. Slip measurement combined with other measurements such as motor current can be used to determine the torque capacity of the friction drive. Further, long-term changes in the ratio of pulley velocities can be used to determine drive belt wear.

Description

technical field [0001] The embodiments disclosed in this specification relate to the printing field, and more specifically, relate to a printing device and a related method for detecting slippage of a transmission belt in the printing device. Background technique [0002] Many printing devices employ a rotating imaging member that receives marking material and transfers the marking material to a print medium. For example, solid ink printers include a rotating imaging drum. Solid ink in the printer is melted and deposited onto the drum. The drum then transfers the ink to the paper. [0003] The imaging drum in these printing devices rotates, and as the drum rotates, the paper comes into contact with the drum. The drum is rotated using an electric motor via a transmission. The drive mechanism may include a gear drive, and a drive belt operatively connected between the motor pulley and the drum pulley. The drive belt is usually provided in the form of a V-belt coupling the...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B41J2/005B41J29/38
CPCG03G2215/00168G03G15/757G01M13/023G03G15/00G03G21/00
Inventor M·E·琼斯D·阿拉维D·L·尼里姆
Owner XEROX CORP
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