Toshiba e-STUDIO656 - Page 17

© 2012 TOSHIBA TEC CORPORATION All rights reserved e-STUDIO556/656/756/856(Ver03)
CONTENTS
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6.4.9 Background offsetting adjustment for RADF .................................................. 6-29
6.4.10 Judgment threshold adjustment for blank originals ........................................ 6-30
6.5 Image Quality Adjustment (Printing Function)................................................................. 6-31
6.5.1 Adjustment of smudged/faint text .................................................................... 6-31
6.5.2 Adjustment of image density............................................................................ 6-32
6.5.3 Gamma balance adjustment............................................................................ 6-33
6.6 Image Quality Adjustment (Scanning Function).............................................................. 6-34
6.6.1 Gamma balance adjustment............................................................................ 6-34
6.6.2 Density adjustment .......................................................................................... 6-35
6.6.3 Judgment threshold for ACS........................................................................... 6-36
6.6.4 Sharpness adjustment ..................................................................................... 6-36
6.6.5 Setting range correction................................................................................... 6-37
6.6.6 Background adjustment ................................................................................... 6-37
6.6.7 Fine adjustment of black density ..................................................................... 6-38
6.6.8 RGB conversion method selection .................................................................. 6-38
6.6.9 Adjustment of saturation .................................................................................. 6-38
6.6.10 Background processing offset adjustment....................................................... 6-39
6.6.11 Surrounding void amount adjustment ............................................................. 6-39
6.7 Image Quality Adjustment (FAX Function)...................................................................... 6-40
6.7.1 Density adjustment .......................................................................................... 6-40
6.7.2 Adjustment of image density............................................................................ 6-41
6.8 Measurement at Replacement of High-Voltage Transformer.......................................... 6-42
6.8.1 Measurement................................................................................................... 6-42
6.9 Adjustment of the Scanner Section................................................................................. 6-46
6.9.1 Adjustment carriages-1 and -2 positions ......................................................... 6-46
6.9.2 Belt tension adjustment of the Scan motor ...................................................... 6-47
6.9.3 Carriages ......................................................................................................... 6-47
6.9.4 Lens unit .......................................................................................................... 6-52
6.10 Adjustment of the Paper Feeding System....................................................................... 6-55
6.10.1 Sheet sideways deviation caused by paper feeding........................................ 6-55
6.10.2 Separation roller pressure force adjustment.................................................... 6-57
6.11 Adjustment of Developer Unit ......................................................................................... 6-58
6.12 Transfer Belt Deviation Adjustment................................................................................. 6-59
6.12.1 Transfer belt deviation check........................................................................... 6-59
6.12.2 Adjustment procedure...................................................................................... 6-60
6.13 Adjustment of Fuser Unit................................................................................................. 6-62
6.13.1 Adjustment of fuser roller pressure.................................................................. 6-62
6.13.2 Setting of fuser/pressure roller temperature .................................................... 6-64
6.13.3 Adjustment of fuser entrance guide ................................................................. 6-65
6.13.4 High-fusing mode............................................................................................. 6-66
6.13.5 Changing Printing Speed................................................................................. 6-66
6.14 Adjustment of the RADF ................................................................................................. 6-67
6.14.1 RADF position adjustment ............................................................................... 6-67
6.14.2 RADF height adjustment.................................................................................. 6-71
6.14.3 RADF image skew adjustment ........................................................................ 6-73
6.14.4 RADF leading edge position adjustment ......................................................... 6-75
6.14.5 RADF horizontal position adjustment .............................................................. 6-77
6.14.6 RADF copy ratio adjustment............................................................................ 6-78
6.14.7 RADF opening/closing switch adjustment ....................................................... 6-79
6.14.8 Original reading start sensor adjustment ......................................................... 6-80
6.14.9 Platen Sheet .................................................................................................... 6-83
6.15 Adjustment of Finisher .................................................................................................... 6-84
6.15.1 Adjusting the Height Sensor (PS1) .................................................................. 6-84
6.15.2 Adjusting the Alignment Position ..................................................................... 6-85
6.15.3 Adjusting the Staple Position (stapler movement range)................................. 6-86
6.15.4 Adjusting the Buffer Roller Winding Amount.................................................... 6-88
6.16 Adjustment of Saddle stitch finisher................................................................................ 6-91
6.16.1 Adjusting the Folding Position ......................................................................... 6-91