摘要:
The present application is directed to methods of operating a multi-color image forming device in a mono-color mode. The methods may include performing three basic loops during the printing in the mono-color mode. A first loop may include printing mono-color pages up to an initial preset maximum. The preset maximum may prevent a wear mark from forming on the non-operational PC members due to rubbing against the moving ITM. A second loop may occur when the mono-color pages exceeds the initial preset maximum. The second loop may include rotating the non-operational imaging stations to prevent wear. A third loop may occur when the number of mono-color images exceeds an overall maximum number. The third loop may include resetting the non-operational image forming stations to allow for continuing printing in the mono-color mode.
摘要:
The present application is directed to methods of operating a multi-color image forming device in a mono-color mode. The methods may include performing three basic loops during the printing in the mono-color mode. A first loop may include printing mono-color pages up to an initial preset maximum. The preset maximum may prevent a wear mark from forming on the non-operational PC members due to rubbing against the moving ITM. A second loop may occur when the mono-color pages exceeds the initial preset maximum. The second loop may include rotating the non-operational imaging stations to prevent wear. A third loop may occur when the number of mono-color images exceeds an overall maximum number. The third loop may include resetting the non-operational image forming stations to allow for continuing printing in the mono-color mode.
摘要:
A method for compensating misalignment errors associated with a laser beam in an electrophotographic (EP) device is disclosed. A first value and a second value of a time-of-flight of the laser beam are determined. The second value of the time-of-flight is associated with a current value of SOS time and EOS time of the laser beam. The second value of the time-of-flight of the laser beam is compared with the first value of the time-of-flight. A duty cycle of a fuser of the EP device is monitored. An average value of the duty cycle of the fuser for a predetermined time period is determined. One or more alignment conditions of the laser beam are adjusted based on at least one of the comparisons of the second value and the first value of the time-of-flight of the laser beam, and the determined average value of the duty cycle of the fuser.
摘要:
A method for compensating misalignment errors associated with a laser beam in an electrophotographic (EP) device is disclosed. A first value and a second value of a time-of-flight of the laser beam are determined. The second value of the time-of-flight is associated with a current value of SOS time and EOS time of the laser beam. The second value of the time-of-flight of the laser beam is compared with the first value of the time-of-flight. A duty cycle of a fuser of the EP device is monitored. An average value of the duty cycle of the fuser for a predetermined time period is determined. One or more alignment conditions of the laser beam are adjusted based on at least one of the comparisons of the second value and the first value of the time-of-flight of the laser beam, and the determined average value of the duty cycle of the fuser.
摘要:
A method and device for removing media sheet jams within an image forming device. The position of the media sheets is monitored as the media sheets move through the image forming process. The occurrence of a media jam is detected, and the position of each media sheet within the device at the time of the jam is also detected. A message is displayed to an operator indicating the number of sheets within the device that should be removed to clear the jam. The order of media sheet removal may also be displayed to the operator.
摘要:
A capacitive sensor for sensing amount of waste toner in a waste toner box of an imaging apparatus includes a capacitor that has a pair of separated plates disposed within the interior of the waste toner box. The capacitance of the capacitor changes with the amount of toner in between the plates of the capacitor. A sensor circuitry is connected to the plates of the waste toner box that measure the capacitance of the capacitor as a voltage value. This voltage value is provided to a controller that determines a relative change in the capacitance value by determining a change in capacitance of the capacitor with respect to a number of pages printed by the imaging apparatus. The controller then determines the state of the waste toner box based on this relative change in capacitance.
摘要:
A method of correcting registration in an electrophotographic machine includes the steps of adjusting one of a right margin and a left margin by setting a time delay, determining a longest line length of a calibration pattern, and adjusting an other of the right margin and the left margin to match the longest line length.
摘要:
A method and system for carrying out an image-to-paper printer registration setup includes: using a printer undergoing registration setup, printing a test pattern on a sheet having reference targets within a printable region of the sheet; using a scanner, scanning the printed sheet to generate an image bitmap of the test pattern-bearing sheet larger than the sheet itself so that the image bitmap contains the sheet edges and measuring in numbers of pixels the distances between the reference targets and/or sheet edges using multiple swaths of the image bitmap itself as the measuring tool; and, using a processor and based on the measured distances, calculating error-associated adjustment values in millimeters to use to correct errors in the registration setup of the image-to-paper in the printer and transferring the error-associated adjustment values to the printer to perform adjustment of its setup actuators.
摘要:
An image forming apparatus includes a plurality of photoconductive drums, each photoconductive drum transferring a portion of a toner image to an intermediate transfer member. The photoconductive drums are individually rotated to a printing speed such that a downstream photoconductive drum starts rotating prior to an adjacent upstream photoconductive drum starts image transfer. Similarly, an upstream photoconductive drum starts deceleration when its following downstream station has transferred image.
摘要:
An image forming apparatus includes a plurality of photoconductive drums, each photoconductive drum transferring a portion of a toner image to an intermediate transfer member. The photoconductive drums are individually rotated to a printing speed such that a downstream photoconductive drum starts rotating prior to an adjacent upstream photoconductive drum starts image transfer. Similarly, an upstream photoconductive drum starts deceleration when its following downstream station has transferred image.