ContentsContents5.1 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 .................................................................................................................................................................. 5-135.4.2.1 Registering the Firmware ..............................................................................................................................................................................5-135.4.2.2 Making Connections .....................................................................................................................................................................................5-155.4.3 Downloading the System Software............................................................................................................................................ 5-165.4.3.1 Downloading Procedure................................................................................................................................................................................5-165.5 Service Mode ...............................................................................................................................................................5-195.5.1 Outline........................................................................................................................................................................................ 5-195.5.1.1 Outline...........................................................................................................................................................................................................5-195.5.1.2 Outline...........................................................................................................................................................................................................5-205.5.2 Service Mode Table ................................................................................................................................................................... 5-205.5.2.1 Service Mode Items.......................................................................................................................................................................................5-205.5.2.2 Service Mode ................................................................................................................................................................................................5-20