Epson adjustment program communication error

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Repeat Step 1 until the printer stops causing the error at power-on. Leave the printer for a few seconds and then reinsert the battery and turn the printer ON. Turns the printer OFF and remove the lithium battery.

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The printer causes this error and stops operation when it detects that the RTC circuit on the BOARD ASSY.,MAIN malfunctions (operates in test mode).

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