220-801 · Question #118
Which of the following printer types requires calibration to ensure the nozzle is adjusted to print properly?
The correct answer is B. Inkjet. Inkjet printers have physical print heads with tiny nozzles that must be calibrated and aligned to ensure accurate ink placement and print quality.
Question
Which of the following printer types requires calibration to ensure the nozzle is adjusted to print properly?
Options
- AImpact
- BInkjet
- CLaser
- DThermal
How the community answered
(38 responses)- B92% (35)
- C5% (2)
- D3% (1)
Why each option
Inkjet printers have physical print heads with tiny nozzles that must be calibrated and aligned to ensure accurate ink placement and print quality.
Impact printers use a print head with pins that strike an ink ribbon against paper - there are no spray nozzles to calibrate.
Inkjet printers use a print head assembly with hundreds of microscopic nozzles that spray ink droplets onto paper, and these nozzles require periodic calibration to correct for physical misalignment that causes banding, color misregistration, or blurry output. Most inkjet printers include a built-in calibration or head alignment utility for this purpose. Nozzle clogging also requires cleaning cycles to restore proper function.
Laser printers use a photosensitive drum, toner, and fuser assembly with no liquid nozzles, so nozzle calibration is not applicable.
Thermal printers produce images by applying heat directly to thermal paper and have no ink nozzles that require calibration.
Concept tested: Inkjet printer nozzle calibration and maintenance
Source: https://www.comptia.org/certifications/a
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