220-1201 Practice Question: A small office uses an inkjet printer that has…

Answer analysis

Option-by-option breakdown

For each option: why learners choose it and why it is or isn't the right answer here.

• ✗

  Replace the ink cartridges

  Why it's wrong here

  Replacing ink cartridges primarily addresses issues related to low ink levels or empty reservoirs, which might cause faded or missing colors. However, horizontal lines typically indicate a physical obstruction within the printhead nozzles, preventing proper ink ejection. Simply installing new cartridges will not dislodge dried ink or debris from these microscopic openings, leaving the print quality defect unresolved.

• ✓

  Perform a manual printhead cleaning using distilled water or a cleaning solution

  Why this is correct

  Manual printhead cleaning is a highly effective method for resolving stubborn clogs that automated cleaning cycles often fail to clear. This process typically involves carefully removing the printhead and gently wiping the nozzle plate with a lint-free cloth dampened with distilled water or a specialized cleaning solution. This physical intervention can dissolve dried ink and remove debris, restoring unobstructed ink flow through the nozzles and eliminating print defects like horizontal lines.

• ✗

  Adjust the print quality settings to 'Best'

  Why it's wrong here

  Adjusting print quality settings to 'Best' primarily increases the ink density and resolution by using more ink or smaller, more numerous dots per inch. While this might improve the overall sharpness of a print, it does not address the underlying physical problem of clogged printhead nozzles. The printer cannot compensate for a blocked nozzle through software adjustments, meaning the horizontal lines caused by the lack of ink from those specific nozzles will persist regardless of the quality setting.

• ✗

  Replace the printer

  Why it's wrong here

  Replacing the entire printer for an issue commonly caused by clogged nozzles is an unnecessary and costly measure, especially when more economical troubleshooting steps are available. Inkjet printers are designed with user-serviceable components and maintenance routines to address such common problems. Attempting a manual printhead cleaning is a standard, cost-effective first step that often resolves print quality issues, making immediate printer replacement an inefficient last resort.

Go deeper

Related to this question