Samsung ML-2251N/XAA Service Manual

Also see for ML-2210: Service manual

Contents

6-3Samsung ElectronicsAlignment & AdjustmentsService Manual6.1.3 Self Diagnostic ModeIf Error code is displayed use the Self Diagnostic Mode to assist in solving the problem. Only use the SelfDiagnostic mode for fault finding as many safety features are disabled.To enter the Self Diagnostic mode connect the DCU and hold down the [Down], [Shift] and [Stop] at the same time.Whilst holding these buttons turn the printer power on.Code 78 will appear in the display. Continue to hold the buttons for approximately 3 seconds until 00 appears thenrelease the buttons.Use the [Up] or [Shift][Up] buttons to select the required test. To start the test press the [Enter] button. To stop thetest press the [Shift] and [Enter] buttons together.Code Description00 Main Motor Operating SystemThe main motor is tested.01 Main High Voltage On (MHV-)-1550 voltage output to MHV terminal.Caution : High voltage probe should be used.02 Transfer High Voltage (-) On (THV-)-1200 voltage output by THV terminal.Caution : High voltage probe should be used.03 Transfer High Voltage (+) On (THV +)+1300 voltage output to THV terminal.Caution : High voltage probe should be used.04 DEV/supply High Voltage : DEV/Supply High Voltage Test.-430 voltage output to DEV terminal.Caution : High voltage probe should be used.05 LSU Operating SystemThe LSU scanning motor is started and the ‘ON’ LED is lit. WhenLSU motor is ready the 3 rd LED is lit.06 Pickup clutch onThe main cassette Solenoid is tested.