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HP LaserJet 1320 Teardown

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正翻译步骤 57

步骤 57
HP LaserJet 1320 Teardown: 步骤 0 中的图像 1，2 HP LaserJet 1320 Teardown: 步骤 0 中的图像 2，2

  • The motor is a Nidec RK2-0419, which appears to be appears to be a fairly powerful "outrunner" style brushless motor rated for 1.3A at 24V. The rotor (the round metal part) is about 3 inches in diameter and the entire motor weighs about 15 ounces.

  • This motor might be a special motor designed for use in this printer, as it and many other components have a number with the format RK2-0xxx on them.

  • The single chip on the motor is a BD6761FS Brushless Motor Driver.

  • At this point, all that is left of the printer is the metal chassis and the paper feed assembly, a large chunk of plastic containing 2 more beam interrupt sensors.

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