220-1201 · Question #363
A user reports that scanned or copied pages from an MFP show vertical lines down the page. The printer processes print jobs correctly. What should the technician do?
The correct answer is C. Clean the glass bed. Vertical lines on scanned or copied pages from an MFP, but not on print jobs, indicate contamination (dust, streaks, or smudges) on the scanner glass or the narrow ADF scanning strip, which the scanning lamp picks up repeatedly. Print jobs use the laser/toner path unaffected by…
Question
A user reports that scanned or copied pages from an MFP show vertical lines down the page. The printer processes print jobs correctly. What should the technician do?
Options
- AReplace the transfer roller
- BRemove the pickup rollers
- CClean the glass bed
- DApply a maintenance kit
How the community answered
(26 responses)- A15% (4)
- B4% (1)
- C77% (20)
- D4% (1)
Explanation
Vertical lines on scanned or copied pages from an MFP, but not on print jobs, indicate contamination (dust, streaks, or smudges) on the scanner glass or the narrow ADF scanning strip, which the scanning lamp picks up repeatedly. Print jobs use the laser/toner path unaffected by the scanner, so transfer rollers, pickup rollers, or maintenance kits address printing defects, not scan-specific lines.
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