June 2005 © TOSHIBA TEC e-STUDIO281c/351c/451c CONTENTS
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CONTENTS1. 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