VI3 - 3 1.6 General Tools3 - 3 1.7 Special Tools3 - 4 2. HOW TO CLEAN PARTS3 - 4 2.1 Main Unit Outer Covers3 - 4 2.2 Separation Roller3 - 4 2.3 Separation Guide3 - 4 2.4 White Sheet3 - 4 2.5 Scanning Glass (Contact Sensor)3 - 4 2.6 Paper Feed Guide3 - 6 2.7 Paper Pickup Roller3 - 6 2.8 Transfer Charging Roller3 - 6 2.9 Static Charge Eliminator3 - 6 2.10 High Voltage Terminal3 - 6 2.11 Fixing Entrance Guide3 - 6 2.12 Paper Face-up Eject Roller3 - 6 2.13 Flapper3 - 6 2.14 Document Feed Roller, Document Eject Roller3 - 6 2.15 Pressure Roller3 - 6 2.16 Fixing Ass’y3 - 6 2.17 Separation Pad3 - 8 3. REPLACING PARTS & ADJUSTMENT3 - 8 3.1 Replacing Parts3 - 8 3.2 Adjustment3 - 9 4. TROUBLESHOOTING3 - 9 4.1 Troubleshooting Index3 -10 4.2 Errors Shown on the Display3 -10 4.2.1 User error message3 -12 4.2.2 Error codes3 -18 4.3 Errors not Shown on the Display3 -18 4.3.1 General errors3 -19 4.3.2 Printing problems3 -25 4.3.3 Scanning problems3 -27 5. SERVICE SWITCHES3 -27 5.1 Hardware Switches3 -28 5.2 Service Data Settings3 -28 5.2.1 Service data overview3 -29 5.2.2 Service data registration/setting method3 -30 5.2.3 Service data settings3 -37 5.2.4 Explanation of service data3 -38 5.2.5 New SSSWs/parameters added to this model3 -53 6. TEST FUNCTIONS3 -53 6.1 Service Test Functions3 -53 6.1.1 Test mode overview3 -54 6.1.2 Test mode flowchart3 -55 6.1.3 D-RAM tests3 -56 6.1.4 Print3 -57 6.1.5 Modem and NCU tests