Enter 1012 using the numerical keys from the initial screen of the control panel (including when error is dis-
played at the second line). Then while pressing the Stop key, press the Enter key. “Maintenance Menu” will be
displayed at the first line. Press the Enter key another time will display “Maintenance Mode Selection” at the
first line. Press the Up key/Down key (cтрелочки) and select from 14 modes: ROM version, simulation mode, paper
ejection unit setting, tower setting, model setting, mm/inch display setting, sensor check mode, motor, solenoid
test mode, language setting, buzzer on/off setting, conveyance JAM ON/OFF, paper feed error ON/OFF,
double-feed data display mode, and maintenance counter.