A restaurant calls the support line about its 3in (2.5cm) point-of-sale printer that is only printing fully black receipts. Which of the following should the technician check in order to resolve the i

The correct answer is C. Rollers E. Heating element. A point-of-sale receipt printer is a thermal printer - it uses heat-sensitive paper rather than ink. Fully black output means the entire paper is being fully activated (heat-darkened). The two components responsible are: (E) the heating element, which may be stuck on, overheating

Hardware and network troubleshooting

Question

A restaurant calls the support line about its 3in (2.5cm) point-of-sale printer that is only printing fully black receipts. Which of the following should the technician check in order to resolve the issue? (Choose two.)

Options

APower supply
BHumidity
CRollers
DFuser
EHeating element
FRoom temperature

How the community answered

(31 responses)

A
6% (2)
B
13% (4)
C
77% (24)
F
3% (1)

Explanation

A point-of-sale receipt printer is a thermal printer - it uses heat-sensitive paper rather than ink. Fully black output means the entire paper is being fully activated (heat-darkened). The two components responsible are: (E) the heating element, which may be stuck on, overheating, or faulty - causing the entire paper to darken; and (C) the rollers, which control paper feed speed - if the paper moves too slowly past the heating element, every area receives enough heat to turn black. A fuser (D) is a laser printer component, not used in thermal printers. Power supply (A), humidity (B), and room temperature (F) would not cause fully black prints.

Topics

#Thermal printer#Printer troubleshooting#Hardware components#POS system

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