1 - 94Chapter 1 TroubleshootingFIP-1.P8 Partial lackTrouble substanceThere are some extremely faint or completely missing parts. Those missingparts are dotted in a limited area on the paper.ESS and possible causative parts- EP CARTRIDGE- HVPS/MCU (PL12.1.19)- BTR ASSY (PL8.1.21)- 150 FEEDER ASSY (PL5.1.1)- PWBA ESS (PL12.1.13)- 250 FEEDER ASSY (PL6.1.11)- 550 FEEDER ASSY (PL7.1.10)Before commencing troubleshooting, check the paper transfer course. Make sure there is no foreignarticles on the transfer course, such as staples, paper clips, scraps of paper and so on.Step Check Yes No1Checking the paper conditionHave new, dry and recommended paper on.Re-print the problem image.Does the problem still occur?Go to step 2. End of work2Checking EP CARTRIDGEInstall a new EP CARTRIDGE.Re-print the problem image.Does the problem still occur?Go to step 3. End of work3Checking the image development processOperate Test Print, and turn off the power of the printerwhile printing.Remove the EP CARTRIDGE with care, and check thetoner image formed on the drum, right before thetranscribe part (BTR).Is the image on the drum completely formed? Is the areaclear and black, and easily read?Go to step 4. Go to FIP2.18HVPS/MCU.4Checking the image transcribe processCheck the toner image formed on the drum, right after thetranscribe part (BTR).Is the toner image on the drum completely transcribed onthe paper?Go to step 5.Replace BTRASSY.(RRP8.10)5Checking Heat Roll and Pressure RollRemove FUSER ASSY. (RRP8.8)Warning; Start the operation after the FUSER ASSYhave cooled down.Turn the Gear HR with a finger, and check the Heat Rolland Pressure Roll.Are the Heat Roll and Pressure Roll damaged or stained?Go to step [ESSand possiblecausative parts].Replace FUSERASSY.(RRP8.8)
