单选题A user states that the laser printer is leaving a black line on all pages being printed. Which of thefollowing is the MOST likely cause and solution for this issue?（）AFaulty driver; reinstall or update driverBBad fuser; place service call to printer manufacturer.CExcess toner on drum; perform maintenance (e.g. clean drum surface).DDeteriorating rollers and worn brushes; replace rollers and brushes.
单选题
A user states that the laser printer is leaving a black line on all pages being printed. Which of thefollowing is the MOST likely cause and solution for this issue?（）
A
Faulty driver; reinstall or update driver
B
Bad fuser; place service call to printer manufacturer.
C
Excess toner on drum; perform maintenance (e.g. clean drum surface).
D
Deteriorating rollers and worn brushes; replace rollers and brushes.
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