1 - 348Chapter 1 TroubleshootingVersion 1 2008.02.014. Image Quality Trouble4.1 Entry Chart for Image Quality TroubleshootingIt is stated as the ESS is normal. By operating test print with the Printer Engineonly, if the trouble is on ESS side or the Printer Engine side can simply bediagnosed, except those phenomena that are not able to be diagnosed by testprint.- Test print result with the Printer Engine only is normal. --- >Malfunction on ESSside- Test print result with the Printer Engine only is also abnormal. ---> Malfunction onthe Printer Engine sideWhen it is the case of [Malfunction on ESS side], replace with normal ESS andnormal Interface Cable, and check.When the trouble still occurs after replacement, check the host side, and operateTroubleshooting efficiently, using the following image quality FIP according toeach phenomenon.Replace TONER CARTRIDGE, PHD UNITTRANSFER ASSY and FUSER ASSY.Leg_Sec001_001FAStartTest PrintingIs there a corresponding FIP?Carry out the corresponding troubleshooting.The trouble is restored?The trouble is restored?End EndNoNo NoYesYes Yes
