Computer Hardware
An important first step in troubleshooting which component in a laser printer is causing a jam is to:

look up error codes
remove the jammed paper
check all voltages
turn the printer off, then on again
note where in the paper path the paper stops

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Computer Hardware
A workstation has just been installed on an Ethernet LAN, but cannot communicate with the network. What should you check first?

None of the listed here
verify the ip configuration on the workstation
reinstall the network interface card driver
verify the link status on the computer's network card

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Computer Hardware
After displaying the directory of a floppy disk, a different floppy is inserted into the drive. The contents of the original floppy continue to display regardless of the director requests on the other floppies placed in the drive. You remove the drive in question and install it into your test system, and it does not exhibit the problem. You should next replace the:

Original IDE controller
System's floppy drive device driver
Floppy drive ribbon cable
System's power supply
None of these

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