hardMultiple ChoiceObjective-mapped
220-1201 Practice Question: A technician is setting up a thermal printer for…
A technician is setting up a thermal printer for a retail point-of-sale system that prints receipts. The printer uses direct thermal technology. After installation, the receipts are completely blank when printed. The printer feeds paper and makes printing sounds. What is the most likely cause?
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
The thermal paper is loaded upside down.
Direct thermal printers use heat-sensitive paper; if the paper is loaded upside down, the thermal coating does not contact the printhead, resulting in blank output. The printer still feeds paper and makes noise because the mechanism works, but no image is produced. Other issues like driver or connection problems would typically cause errors or no activity.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
The printer driver is not installed correctly.
Why it's wrong here
A malfunctioning printer driver primarily affects the communication between the operating system and the printer hardware. If the driver were incorrectly installed or corrupted, the printer would likely fail to receive print jobs, resulting in no action, an error message on the computer, or a printer status light indicating a fault. It would not typically cause the printer to perfectly feed a blank sheet of paper, as the mechanical paper handling is usually independent of the driver's command interpretation.
- ✓
The thermal paper is loaded upside down.
Why this is correct
Direct thermal printers rely on heat-sensitive paper that changes color when exposed to thermal energy from the printhead. This specialized paper has a chemically coated side designed to react to heat. If the paper is loaded upside down, the non-coated side faces the printhead, preventing the necessary chemical reaction from occurring and resulting in a completely blank page despite the paper feeding correctly.
- ✗
The printhead is dirty and needs cleaning.
Why it's wrong here
A dirty printhead on a thermal printer typically manifests as incomplete, faint, or streaky output on the printed page. Contaminants on the printhead elements would impede localized heat transfer, causing specific areas or lines to be missing or lighter than intended. However, a dirty printhead would not prevent all heat transfer across the entire width of the page, thus it would not produce a completely blank sheet of paper.
- ✗
The printer is set to 'thermal transfer' mode instead of 'direct thermal'.
Why it's wrong here
Dedicated direct thermal printers are specifically designed to operate without a ribbon, relying solely on heat-sensitive paper. They do not typically possess a 'thermal transfer' mode switch, as their printhead and paper path mechanisms are not configured for ribbon usage. If such a mode were somehow engaged on a printer designed for direct thermal, or if a thermal transfer printer was used without a ribbon, it would fail to transfer any image to the paper, as the ribbon is essential for ink deposition in that technology.
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Internet Connection Types
Key term
Thermal printer
A thermal printer is a type of printer that uses heat to transfer an image onto paper, commonly used for receipts and labels.
Key term
Image
An image is a complete snapshot of a system's operating system, applications, and settings, used to deploy or restore computing environments quickly.
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Same concept, more angles
1 more way this is tested on 220-1201
These questions test the same concept from different angles. Work through them to make sure you can recognise it however the exam phrases it.
Variation 1. A technician is setting up a new thermal printer for a retail point-of-sale system. The printer uses direct thermal technology and will print receipts. After connecting the printer via USB and installing the driver, the test page prints, but the text is very faint. What is the most likely cause?
medium- A.The printer driver is incorrect
- B.The thermal paper is loaded upside down
- ✓ C.The printhead darkness setting is too low
- D.The USB cable is faulty
Why C: Faint output on a direct thermal printer is typically due to insufficient heat from the printhead. The printhead's temperature setting or the media's thermal sensitivity may be mismatched. Adjusting the darkness or heat setting in the driver or printer configuration is the correct fix.
JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This 220-1201 practice question is part of Courseiva's free CompTIA certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the 220-1201 exam.