Which component must be vacuumed or replaced during preventative maint

1.	Which component must be vacuumed or replaced during preventative maintenance on a laser printer?
A.	Scanning mirror
B.	Toner cartridge
C.	Ozone filter
D.	All of the above
E.	None of the above
Answer» D. All of the above

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

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