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

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

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Computer Hardware
A brownout is defined as:

alternating power out, power on lasting a few minutes
has nothing to do with electricity
a slightly decreased voltage lasting from seconds to minutes or more
a slightly elevated voltage lasting from seconds to minutes or more
complete power out lasting a few minutes

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