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Epson Et-4550 AdjProg or Epson Et-4550 Adjustment Program or Epson Et-4550 Adj Program, is a middleware developed by third-party software to supply for Epson Et-4550 printer, making printer continuous printing without error.
– Epson Et-4550 Adjustment Program enables to perform maintenance and adjustment functions such as:
Reset Waste Ink Pad Counter
EEPROM initial setting
Initial Ink Charge
Head ID Setting
Top margin Adjustment
Bi-D Adjustment
USB ID Input
Cleaning the Print Head
Cause Epson Et-4550 error 2 red lights flashing alternately
– During printing, Ink is not only for printing but also for other printer operations like cleaning(head cleaning, pattern cleaning…), a certain amount of ink is wasted and it is collected by the waste ink pad. Therefore, the printer counts the amount of waste ink.
– Once the amount of waste ink reaches the predefined limit, the printer indicates “Service Required” and the waste ink pad should be replaced or reset waste ink counter value stored in EEPROM on the Mainboard (or Logic Board) of the printer by Epson Et-4550 Adjustment Program.
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