| Which of the following are the two main technologies used by inkjet printer manufacturers to form the droplets of ink? |
| (i) Thermal DOD |
| (ii) Piezoelectric |
| (iii) Wedgeline |
| (iv) Intelligent Interweaving |
A) Only (i)
B) Both (ii) and (iii)
C) Both (i) and (ii)
D) All of these
Correct Answer: C
Solution :
In thermal DOD, when printing starts, the thermal heater heats the ink in the channel, causing it to expand and shoot through the jets. In piezoelectric DOD an electrical charge is applied to the cartridge nozzles.
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