1 - 199Chapter 1 TroubleshootingVersion 2 2008.03.27FIP1.20 009-654-02 Restart PrinterStep Check Yes NoPossible causative parts:TRANSFER ASSY (PL4.1.1)CARTRIDGE ASSY (K) (PL5.1.18)CARTRIDGE ASSY (C) (PL5.1.19)CARTRIDGE ASSY (M) (PL5.1.20)CARTRIDGE ASSY (Y) (PL5.1.21)DRIVE ASSY MAIN (PL8.1.2)ROS ASSY (PL5.1.12)HARNESS ASSY FRONT COVER (PL1.2.11)HARN ASSY R SIDE (PL10.1.15)PWBA MCU (PL9.1.20)1Checking the detail error code.A detailed error code is displayed by pushing L key, K keyand 3 key simultaneously.Is "Code:02" displayed on the LCD?Go to step 2. Go to FIP1.19.2 Checking the TRANSFER ASSY for installationIs the TRANSFER ASSY installed correctly? Go to step 4.Reseat theTRANSFERASSY, then go tostep 3.3 Does the error still occur when the power is turned ON? Go to step 4. End of work4 Checking the four CARTRIDGE ASSY for installationAre the CARTRIDGE ASSYs installed correctly? Go to step 6.Reseat the CAR-TRIDGEASSY(s), then goto step 5.5 Does the error still occur when the power is turned ON? Go to step 6. End of work6Checking the toner densityIs there the light color? Compare the density of four colorstoner.Checked by [Test Print] - [Gradation] in diagnosis.Go to step 7.Replace thePWBA MCU.(Refer to Removal30/Replacement14)7Checking the solenoid in the TRANSFER ASSY for opera-tionDoes the ADC Sensor operate normally?Checked by [Digital Output] - [DO-37(Control Panel)/CTDSOLENOID ON(PC)] in diagnosis.Go to step 12. Go to step 8.8Checking the connectors for connectionCheck the connections between the PWBA MCU andTRANSFER ASSY.Are P/J27, P/J272 and P/J2721 connected surely?Go to step 9.Reconnect theconnector(s)P/J27, P/J272and/or P/J2721surely,then go to step 9.9Checking the HARNESS ASSY FRONT COVER for conti-nuityDisconnect P/J2721 from the TRANSFER ASSY.Disconnect P/J272 from the HARN ASSY R SIDE.Is each cable of P/J2721 <=> P/J272 continuous?Go to step 10.Replace the HAR-NESS ASSYFRONT COVER.