What are the components of Laser cartridges? (Select three.)

Question

Options

• AImaging drum
• BLaser diode
• CPick-up roller
• DCharging roller
• ECleaning blade
• FFuser

• A
  88% (46)
• B
  6% (3)
• C
  2% (1)
• F
  4% (2)

Explanation

Laser cartridges are self-contained replaceable units that house the components most subject to toner wear. The imaging drum (A) is the photosensitive cylinder that carries the latent image; the charging roller (D) applies a uniform electrical charge to the drum surface before each print cycle; and the cleaning blade (E) scrapes residual toner off the drum after the image transfers to paper - all three live inside the cartridge and are replaced together.

The distractors are wrong because they belong to the printer itself, not the cartridge: the laser diode (B) is part of the laser scanning assembly mounted inside the printer chassis; the pick-up roller (C) is in the paper tray feed mechanism; and the fuser (F) is a separate, typically long-lived unit that uses heat and pressure to bond toner to paper and is usually replaced independently.

Memory tip: Think "DCC" - Drum, Charge, Clean are the three functions the cartridge must perform on toner before and after imaging. Everything else (laser, paper feeding, fusing) stays in the printer.

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