1 - 183Chapter 1 TroubleshootingVersion 1 2008.02.15FIP1.7 004-311 Restart PrinterStep Check Yes NoPossible causative parts:HARNESS ASSY DUP UNIT (PL11.1.18)HARNESS ASSY FRONT COVER (PL1.2.11)HARN ASSY R SIDE (PL10.1.15)PWBA DUP-H (PL11.1.15)PWBA MCU (PL9.1.20)1 Checking the Option Duplex for installationIs the Option Duplex installed correctly? Go to step 3.Reseat the OptionDuplex, then go tostep 2.2 Does the error still occur when the power is turned ON? Go to step 3. End of work3Checking the connectors for connectionCheck the connections between the PWBA DUP-H andPWBA MCU.Are P/J27, P/J272, P/J2720 and P/J 428 connectedsurely?Go to step 5.Reconnect theconnector(s)P/J27, P/J272,P/J2720 and/orP/J 428 surely,then go to step 4.4 Does the error still occur when the power is turned ON? Go to step 5. End of work5Checking the HARN ASSY DUP UNIT for continuityDisconnect P/J428 from the PWBA DUP-H.Disconnect P/J2720 from the HARNESS ASSY FRONTCOVER.Is each cable of P/J428 <=> P/J2720 continuous?Go to step 6.Replace theHARN ASSYDUP UNIT.6Checking the HARNESS ASSY FRONT COVER for conti-nuityDisconnect P/J272 from the HARN ASSY R SIDE.Disconnect P/J 2720 from the HARNESS ASSY DUPUNIT.Is each cable of P/J272 <=> P/J2720 continuous?Go to step 7.Replace the HAR-NESS ASSYFRONT COVER.7Checking the HARN ASSY R SIDE for continuityDisconnect P/J272 from the HARNESS ASSY FRONTCOVER.Disconnect P/J27 from the PWBA MCU.Is each cable of P/J272 <=> P/J27 continuous?Go to step 8.Replace theHARN ASSY RSIDE.8Checking after replacing the FEEDER ASSY DUPReplace the FEEDER ASSY DUP. (Refer to Removal 5/Replacement 39)Does the error still occur when the power is turned ON?Replace thePWBA MCU.(Refer to Removal30/Replacement14)End of work