Exam 220-1101 Topic 2 Question 836 Discussion

Actual exam question for CompTIA's 220-1101 exam
Question #: 836
Topic #: 2
When a user tries to print a document on a laser printer, vertical lines appear on the printout. Which of the following should the technician replace?

Suggested Answer: C Vote an answer

Vertical lines on a laser printer printout are most commonly associated with issues in the drum unit. The drum is a crucial component in the laser printing process, where it receives an electrostatic image of the document to be printed and transfers toner to the paper. If there are defects or damage to the drum's surface, it can result in vertical lines appearing on the printed output as the drum fails to evenly distribute toner across the page.
References:
* CompTIA A+ Core 1 (220-1101) Exam Objectives, Section 3.6 Hardware, particularly the part about laser printers and the significance of each component in the printing process, emphasizing the drum's role in image transfer.
* Understanding of laser printer operation, specifically the function of the drum unit and common issues
* that can affect print quality.

by Beulah at Jun 18, 2025, 06:00 PM

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