A user reports that their laser-printer pages contain a faint shadow of the image that was printed earlier on the same or previous page. Which of the following components is MOST likely causing this ghosting issue?
Imaging drum
Fuser assembly
Pickup assembly
Separation pads
Ghost (or echo) images occur when residual toner or residual electrostatic charge is left on the photosensitive imaging drum after a page is printed. As the drum rotates to create the next image, that leftover toner/charge attracts fresh toner and redeposits a lighter copy of the earlier image onto the paper. Cleaning or replacing the imaging drum (or the associated cleaning blade/erasure system) resolves the problem. The fuser assembly generally causes toner-smear problems when it fails to heat properly, separation pads affect multi-sheet feeding, and pickup assemblies relate to paper-feed issues, none of which create ghost images.
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