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220-801 · Question #145
220-801 Question #145: Real Exam Question with Answer & Explanation
The correct answer is C: Use the printer manufacturer's cleaning kit to clean the print head.. For a thermal printer with poor print quality, the manufacturer's cleaning kit for the print head is the best first step because it uses approved materials and methods for that specific hardware.
Question
A service call was opened for a thermal printer that has poor print quality. Which of the following should the technician do FIRST?
Options
- AReplace the print head with OEM replacement.
- BUse a cotton swab and alcohol to clean the print head.
- CUse the printer manufacturer's cleaning kit to clean the print head.
- DUse an industry approved cleaning kit to clean the print rollers.
- EUse the printer manufacturer's cleaning kit to clean the print rollers.
Explanation
For a thermal printer with poor print quality, the manufacturer's cleaning kit for the print head is the best first step because it uses approved materials and methods for that specific hardware.
Common mistakes.
- A. Replacing the print head with an OEM part is a last resort and should not be attempted before cleaning, as the issue may be residue rather than hardware failure.
- B. Using a cotton swab and alcohol is not manufacturer-recommended and risks leaving lint or using an incompatible solvent that could damage thermal print head elements.
- D. Cleaning the print rollers addresses paper feed issues, not print quality, making it irrelevant to the reported symptom.
- E. Cleaning the print rollers does not address print quality problems; the print head, not the rollers, is responsible for producing the printed image.
Concept tested. Thermal printer print head maintenance procedure
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