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2011-01-05 10:03:36
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以下是题库的部分题目，和大家分享了：
1.When installing drum drive motors from service parts________.
A. the motors are optimized for any color and can be used with any color
B. each color (C, M, Y, K) has its own drum drive motor part number, optimized for that color
C. all motors must be replaced as a set
D. the fusible link burns up and resets the drum driver counters
Answer: A
2.The HP Color LaserJet 4700 automatically calibrates and cleans at certain times to maintain optimum print quality. Which of the following conditions cause the device to perform a color-plane registration (CPR)? Select THREE.
A. one or more print cartridges are installed that have not previously been installed in the printing device
B. 10,000 pages have printed since the last calibration
C. 'Full Calibrate Now' is requested through the control panel
D. the ETB is replaced
Answer: A,C,D
3.Before performing an engine test on the HP Color LaserJet 4700ph+,________.
A. the printing device must be powered off
B. the printing device must be power-cycled
C. the output device connection cable must be detached from the printing device
D. the output device and output accessory bridge must be removed
Answer: B
4.Automatic calibration occurs for which events? Select THREE.
A. whenever the device comes out of power save mode
B. when the printer is powered on after having been powered down for longer than 20 seconds
C. whenever a brand new print cartridge is installed in the printer
D. when 1,000 pages have printed since the last calibration
Answer: B,C,D
5.For what reason should you disassemble and then replace the paper feed assembly?
A. if repeated paper jams occur due to excessive paper skew
B. if replacing feed rollers and adjusting paper skew sensors do not solve repeated jam errors
C. if the mediasensor value no longer matches the value on the label located on the paper feed assembly
D. the paper feed assembly can be replaced as a full unit but should never be disassembled
Answer: D
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