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I February 2002 © TOSHIBA TECFC-210/310 CONTENTS
CONTENTS
1. ERROR CODE AND SELF-DIAGNOSIS................................................................................... 1-1
1.1 Error Code List...................................................................................................................... 1-1
1.2 Self-Diagnosis 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
2. ADJUSTMENT ........................................................................................................................... 2-1
2.1 Adjustment Order (Image Related Adjustment) ...................................................................... 2-1
2.2 Adjustment of the Auto-Toner Sensor ..................................................................................... 2-2
2.2.1 Automatic removing of developer material............................................................... 2-2
2.2.2 Initialization of auto-toner sensor ............................................................................ 2-3
2.3 Adjustment of Image Quality Control ..................................................................................... 2-7
2.4 Adjustment of Color Registration Control................................................................................ 2-8
2.5 Image Dimensional Adjustment.............................................................................................. 2-9
2.5.1 Paper alignment (paper buckle) at the registration roller ............................................ 2-11
2.5.2 Registration motor speed adjustment ........................................................................ 2-12
2.5.3 Printer section related adjustment............................................................................. 2-13
2.5.4 Scanner related adjustment ...................................................................................... 2-16
2.6 Image Quality Adjustment...................................................................................................... 2-24
2.6.1 Automatic gamma adjustment .................................................................................. 2-24
2.6.2 Density adjustment ................................................................................................... 2-25
2.6.3 Color balance adjustment ......................................................................................... 2-26
2.6.4 Offset adjustment for background processing ........................................................... 2-27
2.6.5 Judgment threshold for ACS ..................................................................................... 2-27
2.6.6 AI mode setting ........................................................................................................ 2-28
2.6.7 Sharpness adjustment .............................................................................................. 2-39
2.7 High-Voltage Transformer Settings .......................................................................................... 2-30
2.7.1 Overview .................................................................................................................. 2-30
2.7.2 Settings after replacing main high-voltage transformers ............................................ 2-30
2.7.3 Settings after replacing transfer transformer ............................................................. 2-31
2.8 Adjustment of the Developer Unit ........................................................................................... 2-32
2.8.1 Doctor-to-Sleeve Gap ............................................................................................... 2-32
2.9 Adjustment of the Scanner Section ........................................................................................ 2-33
2.9.1 Carriages .................................................................................................................. 2-33
2.9.2 Lens unit ................................................................................................................... 2-37
2.10 Adjustment of the Paper Feeding System .............................................................................. 2-39
2.10.1 Cassette sidewise deviation ..................................................................................... 2-39
2.11 Key Copy Counter (MU-8, MU-10) .......................................................................................... 2-40