Note: At the end of the service mode, press the ON/OFF button. The paper lifting plate of the sheet feed unit will be raised.1) With the machine power turned off, while pressing the Stop/Reset button, press and hold the ON/OFF button. (DO NOT release thebuttons). The COPY button lights in green to indicate that a function is selectable.2) While holding the ON/OFF button, release the Stop/Reset button. (DO NOT release the ON/OFF button.)3) While holding the ON/OFF button, press the Stop/Reset button 2 times, and then release both the ON/OFF and Stop/Reset buttons. (Eachtime the Stop/Reset button is pressed, the Alarm LED and COPY button light alternately, Alarm in orange and COPY in green, startingwith Alarm LED.)4) When the COPY button lights in green, press the Stop/Reset button the specified number of time(s) according to the function listed in thetable below. (Each time the Stop/Reset button is pressed, the Alarm LED and COPY button light alternately, Alarm in orange and COPYin green, starting with Alarm LED.)Note: - If the Stop/Reset button is pressed 16 or more times, the Alarm LED (orange) or COPY button (green) lights steadily without anychanges.- At the end of the service mode, press the ON/OFF button. The paper lifting plate of the sheet feeder unit will be raised.Destination settings See "Service mode operation procedures"below.Initialize EEPROM after the destination settings.LF correction See "Service mode operation procedures"below.Button and LCD test See "Service mode operation procedures"below.Waste ink amount setting See "Service mode operation procedures"below.Time(s) LED indication Function Remarks0 times Green (COPY) Power off When the print head is not installed, the carriage returnsand locks in the home position capped.1 time Orange (Alarm) Service test print See 3-4. Verification Items, (1) Service test print.2 times Green (COPY) EEPROM information print See 3-4. Verification Items, (2) EEPROM informationprint.3 times Orange (Alarm) EEPROM initialization4 times Green (COPY) Waste ink counter resetting5 times Orange (Alarm) Destination settings See "Destination settings procedures" below.6 times Green (COPY) Print head deep cleaning Cleaning of both black and color7 times Orange (Alarm) LF correction See "LF correction procedures" below.8 times Green (COPY) CD / DVD check pattern print Not used in servicing9 times Orange (Alarm) CD / DVD print positioncorrection (horizontal: Xdirection)Not used in servicing.10 times Green (COPY) CD / DVD print positioncorrection (vertical: Ydirection)Not used in servicing.11 times Orange (Alarm) Button and LCD test See "Button and LCD test procedures" below.12 times Green (COPY) Return to the menu selection13 times Orange (Alarm) Return to the menu selection14 times Green (COPY) Left margin correction Not used in servicing.15 times Orange (Alarm) Waste ink amount setting See "Waste ink amount setting procedures" below.16 times ormoreGreen at evennumbers (COPY)Orange at oddnumbers (Alarm)Return to the menu selection1-43
