USB cable - Check the USB cable that connects between the printer and the computer (PC / Laptop).If possible, please suck all the remaining ink in it until it is dry/clean.

residual ink removal cartridge - another factor that can also cause the printer to flicker due to the remaining ink removal cartridge full.

roller - not the cover of the printer and make sure the roller is not jammed caused by paper or paper fragments (paper jam) sandwiched inside.

If necessary, please remove the cartridge first then suck the remaining ink in it, then replace it again.

cartridges - Check that the printer cartridges are not blocked by foreign objects, such as torn paper, and clean if there is dirt or ink overflows.

Also, see that the hose connecting the tube to the printer is not jammed or pinched.

Ink Cartridges - Check the ink in the printer cartridges. Well, when you encounter an Epson L120 printer error and can't print any document it usually pops up the message 'waste ink full', 'It's almost time to reset ink level', 'it's time to reset ink level', 'Service that Required ',' ink pads at the end of its service directly 'on the computer screen, you should perform the pre-inspection technique for printer components that can be the main culprit. Some of the main causes are usually caused by the ink on the cartridge is melted / dirty, the ink in the cartridge is rising, the cartridge is not tight or damaged, the counter ink pad is full (waste ink pad counter), requesting ink reset (Ink level), paper clock ( paper left inside roller), print has reached the maximum limit (more than print) and several other causes.

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