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【单选题】

A laser printer has a vertically repetitive print defect. Before attempting to repair the printer,a technician should determine:()

A、the distance between the spots.

B、which paper tray was used to print the document.

C、which driver was used to print the document.

D、which application was used to print the document.

更多“A laser printer has a vertically repetitive print defect. Before attempting to repair the printer,a technician should determine:()”相关的问题
第3题

A、 lower cost  B、 higher chirp  C、 easier to manufacture  D、 higher dispersion tolerance  E、 higher optical signal-to-noise ratio  

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第7题

A、Turning the laser to a specific ITU channel  B、Keeping the signal wavelength "locked" to a specific technology  C、Suppressing FWM and SBS non-linear effects  D、None ofthe above  

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