2JN1-4-18(6)Paper feed clutchdoes not operate.Broken paper feed clutchcoil.Check for continuity across the coil. If none, replace the paperfeed clutch.Defective harness betweenpaper feed clutch and con-trol PWB (YC20), orimproper connector inser-tion.Reinsert the connector. Also check for continuity within the con-nector harness. If none, remedy or replace the harness.Defective control PWB. Replace the control PWB (See page 1-5-39).(7)Developing clutchdoes not operate.Broken developing clutchcoil.Check for continuity across the coil. If none, replace the develop-ing clutch.Defective harness betweendeveloping clutch and con-trol PWB (YC20), orimproper connector inser-tion.Reinsert the connector. Also check for continuity within the con-nector harness. If none, remedy or replace the harness.Defective control PWB. Replace the control PWB (See page 1-5-39).(8)MP paper feedsolenoid does notoperate.Broken MP paper feed sole-noid coil.Check for continuity across the coil. If none, replace the MP paperfeed solenoid.Defective harness betweenMP paper feed solenoidand control PWB (YC21), orimproper connector inser-tion.Reinsert the connector. Also check for continuity within the con-nector harness. If none, remedy or replace the harness.Defective control PWB. Replace the control PWB (See page 1-5-39).(9)Duplex solenoiddoes not operate.Broken duplex solenoidcoil.Check for continuity across the coil. If none, replace the duplexsolenoid.Defective harness betweenduplex solenoid and controlPWB (YC29), or improperconnector insertion.Reinsert the connector. Also check for continuity within the con-nector harness. If none, remedy or replace the harness.Defective control PWB. Replace the control PWB (See page 1-5-39).(10)Eraser lampdoes not turn on.Defective harness betweeneraser lamp (YC701) andcontrol PWB (YC28), orimproper connector inser-tion.Reinsert the connector. Also check for continuity within the con-nector harness. If none, remedy or replace the harness.Defective eraser lamp(PWB).Replace the eraser lamp (PWB).Defective control PWB. Replace the control PWB (See page 1-5-39).(11)Paper indicator isflashing when paperis present in the cas-sette.Defective paper sensor. Replace the paper sensor.Defective harness betweenpaper sensor and controlPWB (YC18), or improperconnector insertion.Reinsert the connector. Also check for continuity within the con-nector harness. If none, remedy or replace the harness.Problem Causes Check procedures/corrective measuresService Manual Y111030-4