Computer Hardware
Which component must be vacuumed or replaced during preventative maintenance on a laser printer?

Toner cartridge
Scanning mirror
Ozone filter
All of the listed here

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Computer Hardware
What is the most likely cause of an "FDD controller Failure" error message?

you forgot to flash CMOS
None of these
your computer's floppy drive is defective
you did not set the jumper on the floppy drive to drive A
you installed the floppy disk drive cable backward

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