User manual PANASONIC DP 8020E

[. . . ] 0 ] WARNING This service information is designed for experienced repair technicians only and is not intended for use by the general public. it does not contain warnings or cautions to advise non-technical individuals of potential dangers in attempting to service a product. Products powered by electricity should be serviced or repaired only by experienced professional technicians. Any attempt to service or repair the product or products dealt within this service information by anyone else could result in serious injury or death. [. . . ] The Lift DC Motor stops rotating, maintaining the recording paper at the certain level. The Recording Paper size in the Paper Feed Module is set on the Touch Panel. The NP Actuator attached to the Paper Feed Unit determines if there is paper in the paper tray. The paper in the paper tray lowers the NP Actuator and the NP Sensor actuates. < Sheet Bypass Operation > Feed Roller Pressure Plate Sparate Roller NP Actuator NP Sensor a. When the printing operation begins, the PRINT (Print Request Signal) turns On and the Main Motor starts driving the Gears. The Clutch is energized for a specified period of time and turns ON. The paper is raised by the Pressure Plate and transported to the Separate Roller. The paper is separated into individual sheets by the Separate Roller. The paper is transported to the Registration Roller, activating the Registration Sensor. After a specified period of time, the Clutch is turned ON and the Registration Roller and the Registration Pinch Roller start rotating. The paper is transported to the OPC drum area. After lowering the Pressure Plate during the specified period of time, the Clutch is turned OFF and the Paper Feed Roller stops rotating. After the trailing edge of the paper passes the Registration Sensor and after a specified period of time, the Clutch is turned OFF. The Registration Roller and the Registration Pinch Roller stop rotating. The beam power on the drum surface is approximately 0. Aperture This controls the size of the laser beam. The laser beam is reflected against these mirrors and swept over the recorded width in the scanning direction. Beam Detection (BD) Lens and Beam Detection (BD) Sensor The BD Lens receives the reflected light from the Polygon Mirror and redirects it into the BD Sensor, which converts the laser beam into electrical signals and sets the start timing for the scanning line. F-θ Lens This amorphous plastic, molded lens is designed to provide parallel laser light across the surface of the drum, providing a constant scanning speed. Cover Glass This prevents a particle of dust invading into the LSU. Fuser Operation The paper passes through the Fuser Roller and is subjected to heat and pressure in the Fuser Unit. [. . . ] When updating multiple firmware files, you must repeat the file selection operation. Page 9 Local Firmware Update Tool (Parallel /USB Port) 5a4 Select the Firmware Type window appears. Uncheck the box if you do not need to transfer a file. On the unit side: Set the unit to the Firmware Update Mode. [. . . ]