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June 2005 © TOSHIBA TEC e-STUDIO281c/351c/451c CONTENTS
1
CONTENTS
1. SPECIFICATIONS/ACCESSORIES/OPTIONS/SUPPLIES ......................................... 1-1
1.1 Specifications....................................................................................................................... 1-1
1.2 Accessories ......................................................................................................................... 1-7
1.3 Options ................................................................................................................................ 1-8
1.4 Supplies............................................................................................................................... 1-9
1.5 System List ........................................................................................................................ 1-10
2. ERROR CODE AND SELF-DIAGNOSTIC MODE........................................................ 2-1
2.1 Error Code List..................................................................................................................... 2-1
2.1.1 Jam........................................................................................................................... 2-1
2.1.2 Service call ...............................................................................................................2-7
2.1.3 Error in Internet FAX / Scanning Function.............................................................. 2-13
2.1.4 Printer function error............................................................................................... 2-21
2.2 Self-diagnosis Modes ........................................................................................................ 2-23
2.2.1 Input check (Test mode 03).................................................................................... 2-25
2.2.2 Output check (test mode 03) .................................................................................. 2-34
2.2.3 Test print mode (test mode 04) .............................................................................. 2-37
2.2.4 Adjustment mode (05) ............................................................................................ 2-38
2.2.5 Setting mode (08)................................................................................................... 2-85
2.2.6 Pixel counter......................................................................................................... 2-198
2.2.7 Classification List of Adjustment Mode (05) / Setting Mode (08).......................... 2-208
3. ADJUSTMENT .............................................................................................................. 3-1
3.1 Adjustment Order (Image Related Adjustment)................................................................... 3-1
3.2 Adjustment of the Auto-Toner Sensor ................................................................................. 3-2
3.3 Performing Image Quality Control ....................................................................................... 3-5
3.4 Image Dimensional Adjustment........................................................................................... 3-6
3.4.1 General description .................................................................................................. 3-6
3.4.2 Paper alignment at the registration roller ................................................................. 3-8
3.4.3 Printer related adjustment ........................................................................................ 3-9
3.4.4 Scanner related adjustment ................................................................................... 3-14
3.5 Image Quality Adjustment (Copying Function) .................................................................. 3-21
3.5.1 Automatic gamma adjustment................................................................................ 3-21
3.5.2 Color Deviation Adjustment.................................................................................... 3-22
3.5.3 Density adjustment................................................................................................. 3-28
3.5.4 Color balance adjustment....................................................................................... 3-29
3.5.5 Gamma balance adjustment .................................................................................. 3-30
3.5.6 Offsetting adjustment for background processing .................................................. 3-30
3.5.7 Judgment threshold for ACS .................................................................................. 3-31
3.5.8 Sharpness adjustment............................................................................................ 3-31
3.5.9 Setting range correction ......................................................................................... 3-32
3.5.10 Setting range correction (Adjustment of background peak) ................................... 3-32
3.5.11 Adjustment of smudged/faint text ........................................................................... 3-33
3.5.12 Adaptation to highlighter......................................................................................... 3-33
3.5.13 Beam level conversion setting................................................................................ 3-34
3.5.14 Maximum toner density adjustment to paper type.................................................. 3-34
3.5.15 Maximum text density adjustment .......................................................................... 3-35
3.5.16 Text/Photo reproduction level adjustment .............................................................. 3-35
3.5.17 Black reproduction switching at the Twin color copy mode.................................... 3-36
3.5.18 Background adjustment(Black Mode) .................................................................... 3-36
3.6 Image Quality Adjustment (Printing Function) ................................................................... 3-37
3.6.1 Automatic gamma adjustment................................................................................ 3-37
3.6.2 Color deviation adjustment..................................................................................... 3-38