Essilor Instruments APH 550 - Error Message “Paper Empty” Appears

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5-5 Error message “Paper Empty” appears
Main causes when error message “Paper Empty” appears:
・No printer papers in printer
・Failure of thermal printer
・Failure of printer control board assy
“Paper Empty” appears.
Does “Paper Empty” still appear?
Replace the printer control board assy.
OK
Are the printer
papers set properly?
NO
YES
Reset the papers.
YES
NO
Replace the thermal printer.