单项选择题
A. Remove and clean the fuser assembly with an alcohol based cleaner.
B. Install a maintenance kit and reset all page counts to zero.
C. Perform a full power cycle on the printer.
D. Clean the paper path with a damp cloth and canned air to remove any debris.
单项选择题 A technician is installing an Express Card 54 device into a laptop. How will the device MOST likely be installed?()
单项选择题 Which of the following channels, when used in close proximity to one another, provide the BESTprotection against crosstalk?()
单项选择题 A technician is installing a processor upgrade onto an Intel 775 socket motherboard. Which of the following extra power connectors needs to be plugged in for the board to power on?()