nerdexam
CompTIACompTIA

220-1201 · Question #51

220-1201 Question #51: Real Exam Question with Answer & Explanation

The correct answer is C: The document feeder. A scratch or debris on the feeder’s glass or its rollers will show up as a vertical line on any copy/scan, while outgoing prints (which use the drum and toner path) remain unaffected.

Submitted by renata2k· Mar 30, 2026Hardware and Network Troubleshooting

Question

A technician is troubleshooting an all-in-one laser printer that prints a vertical line when making copies and scans. When users print or receive faxes, the output from the printer is correct. Which of the following should the technician examine to determine the cause of the issue?

Options

  • AThe pickup rollers
  • BThe corona wire
  • CThe document feeder
  • DThe drum assembly

Explanation

A scratch or debris on the feeder’s glass or its rollers will show up as a vertical line on any copy/scan, while outgoing prints (which use the drum and toner path) remain unaffected.

Topics

#Printer troubleshooting#Scanner image defects#All-in-one printer components

Community Discussion

No community discussion yet for this question.

Full 220-1201 PracticeBrowse All 220-1201 Questions