1 - 86Chapter 1 TroubleshootingFIP-1.P3 Solid blackTrouble substanceThe entire paper is printed jet-black.ESS and possible causative parts- EP CARTRIDGE- HVPS/MCU (PL12.1.19)- LVPS (PL12.1.5)- 150 FEEDER ASSY (PL5.1.1)- ROS ASSY (PL8.1.1)- 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 EP CARTRIDGEInstall a new EP CARTRIDGE.Carry out a test printing.Is the print normal?End of work Go to step 2.2Checking HVPS/MCUCover entire ROS ASSY window.Carry out a test printing.Is the print black?Go to FIP2.18HVPS/MCU. Go to step 3.3Checking ROS ASSYCover a half of ROS ASSY window.Carry out a test printing.Is the print half white and half black?Is the print black?Go to FIP2.3 ROSASSY.ReplaceHVPS/MCU.(RRP12.10)
