Oki Data CONFIDENTIAL43967002TH Rev. 1 339 /7. Troubleshooting7.5.2.(10) ID unit Up/Down error (Service call 140 to 143)(10-1) Error occurs when the ID unit moves downCheck item Check work Action to be taken at NG(10-1-1) Check the mechanical load during the Up movementMechanical loadduring installationand removal of theID unitCheck if abnormal heavy load is appliedwhen removing the ID unit.Replace the IDunit, or replace theright/left side plate.If any attempt ofusing new ID unitas a trial is going tobe made, be sureto use the SystemMaintenance MenuFUSE KEEP MODE.Greasing to the rightand left Up/Downlink leversCheck if the slant surface of the link lever iscoated by grease or not.Apply grease.Assembledcondition of the rightand left Up/Downlink leversCheck if any part exists or not in the vicinityof link lever, that hampers movement of thelink lever.Assemble themcorrectly.(10-1-2) Up/Down mechanismAssembledcondition ofthe peripheralmechanism of thelink leverIs the mechanism assembled so that thelink lever is connected to the planetarydriving gear?Assemble themcorrectly.Right and left linkleversCheck if the link lever is set in the correctposition that enables the specifiedengagement of gears. (Check if the linklever is set in the wrong position thatresults in the wrong engagement of gearsby several teeth.)Assemble themcorrectly.Check item Check work Action to be taken at NG(10-1-3) Sensor checkUp/Down sensorlever (unifiedstructure with theleft link lever)Check if shape and movement of thesensor levers have any abnormality or not.Replace the left linklever.Up/Down sensor Confirm that the sensor signals arenormally detected by using the SWITCHSCAN function of the self-diagnostic mode.Check if the SCAN state changes or notwhen the incoming light is interrupted/passed by using a piece of paper or the likefor the transparent type sensor.High-voltage PCBreplacement(10-2) Error occurs when the ID unit moves downCheck item Check work Action to be taken at NG(10-1-1) Check the mechanical load during the Up movementMechanical loadduring installationand removal of theID unitCheck if abnormal heavy load is appliedwhen removing the ID unit.Replace the ID unit,or replace the right/left side plate.Greasing to the rightand left Up/Downlink leversCheck if the slant surface of the link lever iscoated by grease or not.Apply grease.Assembledcondition of the rightand left Up/Downlink leversCheck if any part exists or not in the vicinityof link lever, that hampers movement of thelink lever. (Obstacles such as cable andothers)Assemble themcorrectly.
