Canon S520 Service Manual

Also see for S 820: Paper guide User guide Setup instructions Service manual Quick start guide

Contents

7. SERVICE-RELATED FEATURESThe printer has a service mode for accessing service settings and executing testprintouts. The service mode can be accessed via the operation panel.7.1 Service Mode Operation1) With the printer turned off, hold down the RESUME button and press the POWERbutton (the green indicator lights and the desired service function can be selected).2) While holding down the POWER button, let go of the RESUME button before pressingthe RESUME button again twice in succession. Then let go of both RESUME andPOWER buttons.(At each press of the RESUME button, the indicator toggles between orange andgreen.)3) During printer initialization, the green indicator blinks. When the green indicatorstops blinking and remains on, press the RESUME button the specified number oftimes to execute the desired service function, as listed below.(At each press of the RESUME button, the indicator toggles between orange andgreen.)Press Indicator Function0 times Green Power off (Even if there is no print head mounted, thecarriage will return to the home position and lock.)1 time Orange Service/factory test printout (Including ink sensor check)2 times Green EEPROM information printout3 times Orange EEPROM initialization4 times Green Clears the waste-ink counter (S750/S520)Waste-ink counter settings (S900/820) (See page 2-34)5 times Orange Destination (model) settingAfter reaching this service function, press the RESUMEbutton the number of times specified below to set thedestination.Setting0 times BJ F900 BJ F8901 times S900 S820 BJ F700 BJ F5002 times BJ F890PD S750 S5203 times S820DNote: pressing more than 3 times has no effect.6 times Returns to the function select stage (S750/520)6~9 times Not used for servicing (S900/820)More than Green Returns to the function select stage (S900/820)10 times4) After selecting a service function, press the POWER button. The green indicatorlights and the service function will be executed. (After each function is executed, theprinter returns to the service function select stage.)To cancel printing which is in progress, press the POWER button.2-29S900 / S820 / S750 / S520 Part 2: Troubleshooting Troubleshooting