1 - 41Chapter 1 TroubleshootingFIP1.14 No Paper/Tray 1, 2Step Check Yes NoPossible causative parts:SENSOR NO PAPER (PL5.1.38, PL6.1.38, PL7.1.38)ACTUATOR NO PAPER (PL5.1.6, PL6.1.15, PL7.1.14)HVPS/MCU (PL12.1.19)LVPS (PL12.1.5)PLATE ASSY BTM (PL2.1.10, PL3.1.10, PL4.1.10)RACK BTM LOCK 550 (PL4.1.21)HOUSING BASE 550(PL4.1.44)1 Does Error Code indicate Tray 3 or Tray 4? Go to FIP1.23 "NoPaper/Tray 3, 4". Go to step 2.2 Checking if there is any paperIs there any paper in Tray 1 or Tray 2? Go to step 3. Supply paper.3 Is PLATE ASSY BTM (PL2.1.10, PL3.1.10. PL4.1.10) liftedcorrectly? Go to step 4.Remove PaperCassette, andthen reinstall itcorrectly.4With pressing down PLATE ASSY BTM, press the centerarea of RACK BTM LOCK 550 against HOUSING BASE550.Are RACK BTM LOCK 550 and HOUSING BASE 550touched each other without any space?Go to step 5.Work over theinstallation ofRACK BTMLOCK 550again.(RRP4.6)5Checking ACTUATOR NO PAPER for operationRemove Paper Cassette.When putting hand from the cassette insertion space tomove ACTUATOR NO PAPER, does ACTUATOR NOPAPER move smoothly?Go to step 6.ReplaceACTUATOR NOPAPER.6Checking SENSOR NO PAPER for operationRemove EP CARTRIDGE.Does number of Sensor/Switch Check increase by one,when ACTUATOR NO PAPER is pushed and released?.Checks by Chapter 2 Diagnostic [Sensor/Switch Check].ReplaceHVPS/MCU.(RRP12.10)Go to FIP2.6SENSOR NOPAPER.JG3543AARACK BTM LOCK 550space