1 - 82Chapter 1 Troubleshooting5.2 Image Quality FIPFIP-1.P1 Faint print (Low contrast)Trouble substanceThe density of the image is entirely too faint.ESS and possible causative parts- EP CARTRIDGE- GUIDE ASSY CRU R (PL8.1.25)- BTR ASSY (PL8.1.21)- 150 FEEDER ASSY (PL5.1.1)- PWBA ESS (PL12.1.13)- ROS ASSY (PL8.1.1)- FUSER ASSY (PL8.1.20)- LVPS (PL12.1.5)- HVPS/MCU (PL12.1.19)- 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, and operateTest Print.Is the density of the image normal?End of work Go to step 2.2Checking the laser beam courseMake sure there is no obstacle between ROS ASSY andDrum.Check if any stains on ROS ASSY window.Are there any obstacles on the laser beam course?Is ROS ASSY window clean?Go to step 3.Removeobstacles and/orclean ROS ASSYwindow.3Checking EP CARTRIDGEInstall a new EP CARTRIDGE.Re-print the problem image.Is the image density normal?End of work Go to step 4.4Checking BTR ASSYRemove BTR ASSY. (RRP8.10)Check if any stains and/or wear on BTR ASSY.Are there any stains and/or wear on BTR?Go to step 5. Replace BTRASSY. (RRP8.10)5Checking the drum groundRemove GUIDE ASSY CRU R. (RRP8.13)Check the Plate Earth, located on the back of GUIDEASSY CRU R.Is the Plate Earth stained and/or deformed?Go to step 6.Reform or cleanthe Plate Earth, orreplace GUIDEASSYCRU R.(RRP8.13)
