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I January 2000 © TOSHIBA TECFC-22 CONTENTS
CONTENTS
1. ADJUSTMENT ITEMS ............................................................................................................... 1-1
1.1 Error Code List....................................................................................................................... 1-1
1.2 Self Diagnostic Mode ............................................................................................................. 1-6
1.2.1 Input check (Test mode 03) ...................................................................................... 1-8
1.2.2 Output check (Test mode 03) ................................................................................... 1-15
1.2.3 Test print mode (04).................................................................................................. 1-19
1.2.4 Adjustment mode (05) .............................................................................................. 1-20
1.2.5 Setting mode (08) ..................................................................................................... 1-33
1.2.6 Registering/changing ID codes................................................................................. 1-43
1.3 Adjustment Order (Copy Image Related Adjustment) ............................................................ 1-45
1.4 Automatic Adjustment of the Auto-Toner Circuit..................................................................... 1-46
1.5 Automatic Initialization of Image Quality Control ................................................................... 1-50
1.6 Copy Image Dimensional Adjustment .................................................................................... 1-51
1.6.1 Paper alignment (paper buckle) at the main registration roller ................................. 1-53
1.6.2 Feed motor speed adjustment .................................................................................. 1-54
1.6.3 Printer related adjustment ........................................................................................ 1-55
1.6.4 Scanner related adjustment...................................................................................... 1-58
1.7 Automatic Adjustment of Gamma Correction ......................................................................... 1-66
1.8 Density Adjustment ................................................................................................................ 1-68
1.9 Color Balance Adjustment...................................................................................................... 1-69
1.10 Offset Amount for Processing Background ............................................................................ 1-70
1.11 Judgment Threshold for ACS ................................................................................................. 1-71
1.12 AI Mode Setting ..................................................................................................................... 1-72
1.13 Sharpness Adjustment ........................................................................................................... 1-73
1.14 High-Voltage Transformer Setting .......................................................................................... 1-74
1.14.1 Overview................................................................................................................... 1-74
1.14.2 Settings after replacing main high-voltage transformers .......................................... 1-74
1.14.3 Settings after replacing transfer transformer ............................................................ 1-75
1.15 Adjusting Doctor-to-Sleeve Gap ............................................................................................ 1-76
1.16 Adjusting the Scanner Section............................................................................................... 1-77
1.16.1 Adjusting the carriage ............................................................................................... 1-77
1.16.2 Lens unit ................................................................................................................... 1-80
1.17 Adjusting the Cassette for Sidewise Deviation ...................................................................... 1-83
1.18 Key Copy Counter (MU-8, MU-10)......................................................................................... 1-84
2. PREVENTIVE MAINTENANCE (PM) ......................................................................................... 2-1
2.1 Types of Preventive Maintenance .......................................................................................... 2-1
2.2 Maintenance to be Performed Every 30,000, 60,000, 90,000 and 120,000 Copies .............. 2-2
2.3 Preventive Maintenance Checklist ......................................................................................... 2-2
2.4 PM Kit .................................................................................................................................... 2-12