Contents3.5 FIXING SYSTEM ......................................................................................................................................3- 253.5.1 Fixing Assembly .................................................................................................................................................... 3- 253.5.1.1 Removing the Fixing Assembly.............................................................................................................................................. 3- 253.5.2 Fixing Sleeve Unit.................................................................................................................................................. 3- 263.5.2.1 Preparation for Removing the Fixing Sleeve Unit .................................................................................................................. 3- 263.5.2.2 Removing the Fixing Sleeve Unit........................................................................................................................................... 3- 263.5.3 Fixing Motor........................................................................................................................................................... 3- 283.5.3.1 Preparation for Removing the Fixing Motor ........................................................................................................................... 3- 283.5.3.2 Removing the Fixing Motor .................................................................................................................................................... 3- 28Chapter 4 MAINTENANCE AND INSPECTION4.1 Periodically Replaced Parts........................................................................................................................4- 14.1.1 Periodically Replaced Parts..................................................................................................................................... 4- 14.2 Consumables..............................................................................................................................................4- 14.2.1 Durables Replaced by the User............................................................................................................................... 4- 14.2.2 Durables Replaced by the Service Person.............................................................................................................. 4- 14.3 Periodical Service .......................................................................................................................................4- 14.3.1 Periodic Service....................................................................................................................................................... 4- 14.4 Cleaning .....................................................................................................................................................4- 14.4.1 Pick-up roller............................................................................................................................................................ 4- 14.4.2 Separation pad ........................................................................................................................................................ 4- 14.4.3 Registration roller .................................................................................................................................................... 4- 14.4.4 Registration shutter ................................................................................................................................................. 4- 14.4.5 Feed guide............................................................................................................................................................... 4- 14.4.6 Delivery roller........................................................................................................................................................... 4- 14.4.7 Fixing inlet guide...................................................................................................................................................... 4- 14.4.8 Color misregistration/Density sensor....................................................................................................................... 4- 1Chapter 5 TROUBLESHOOTING5.1 MEASUREMENT AND ADJUSTMENT ......................................................................................................5- 15.1.1 Adjustment of Electrical Components..................................................................................................................... 5- 15.1.1.1 After Replacing the DC controller PCB .................................................................................................................................... 5- 15.1.1.2 After Replacing the DC controller PCB .................................................................................................................................... 5- 15.1.1.3 After Replacing the Video Controller PCB ............................................................................................................................... 5- 15.1.1.4 After Replacing the Video Controller PCB ............................................................................................................................... 5- 15.1.1.5 Replacing EEPROM (When E747-000 occurs) ....................................................................................................................... 5- 15.1.2 Adjustment of Fixing System .................................................................................................................................. 5- 15.1.2.1 Checking the Nip Width (fixing pressure roller)........................................................................................................................ 5- 15.2 SERVICE TOOLS.......................................................................................................................................5- 35.2.1 Standard Tools ........................................................................................................................................................ 5- 35.2.2 Solvent/Oil List......................................................................................................................................................... 5- 35.3 ERROR CODE ...........................................................................................................................................5- 35.3.1 Error Code ............................................................................................................................................................... 5- 35.3.2 Error Code ............................................................................................................................................................... 5- 55.3.3 A4-XX_ERROR ....................................................................................................................................................... 5- 95.3.4 A5-XX_ERROR ....................................................................................................................................................... 5- 95.3.5 A7-XX_ERROR ....................................................................................................................................................... 5- 95.3.6 D7-XX_ERROR ..................................................................................................................................................... 5- 105.3.7 D8-XX_ERROR ..................................................................................................................................................... 5- 105.4 Version Up ................................................................................................................................................5- 105.4.1 Outline ................................................................................................................................................................... 5- 105.4.1.1 Overview of Upgrading Work ................................................................................................................................................. 5- 105.4.1.2 Construction of Firmware....................................................................................................................................................... 5- 105.4.1.3 Outline of the Service Support Tool ....................................................................................................................................... 5- 115.4.2 Making Preparations.............................................................................................................................................. 5- 13