220-801 · Question #493
A user, Ann, states that her laser printer has a smudge that repeats itself every couple inches down the center of each page. Which of the following components MOST likely needs replacing?
The correct answer is C. Toner drum. A repeating smudge or mark at regular intervals down a printed page is the classic symptom of a damaged or dirty imaging drum (photosensitive drum/OPC drum). Because the drum is cylindrical and rotates as paper passes through, any defect on the drum surface prints repeatedly at…
Question
A user, Ann, states that her laser printer has a smudge that repeats itself every couple inches down the center of each page. Which of the following components MOST likely needs replacing?
Options
- ARollers
- BFuser
- CToner drum
- DPickup assembly
How the community answered
(21 responses)- A5% (1)
- B19% (4)
- C71% (15)
- D5% (1)
Explanation
A repeating smudge or mark at regular intervals down a printed page is the classic symptom of a damaged or dirty imaging drum (photosensitive drum/OPC drum). Because the drum is cylindrical and rotates as paper passes through, any defect on the drum surface prints repeatedly at intervals equal to the drum's circumference. The fuser bonds toner to paper with heat - a failing fuser typically causes smearing or unfused toner across the whole page. Rollers and the pickup assembly handle paper movement but do not cause repeating image defects. The regular, periodic nature of the smudge is the key diagnostic clue pointing to the drum.
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