A technician is called to work on a laser printer that prints vertical lines on every printed page. Which laser printer part should be checked first?

A technician is called to work on a laser printer that prints vertical lines on every printed page. Which laser printer part should be checked first?

• wiper blade
• RAM
• toner cartridge
• pickup rollers

Explanation: A vertical line could be a sign of a faulty drum or a problem with the toner cartridge. The toner cartridge is the easiest one to test if it is faulty and can be reused later if it turns out to not be the problem.

Exam with this question: A+ 220-1001 Certification Practice Exam