Toshiba e-STUDIO2020C, Service Handbook

Page: 102 / 546

e-STUDIO2020C/2330C/2820C/2830C/3520C/3530C/4520C © 2008 - 2011 TOSHIBA TEC CORPORATION All rights reserved
SELF-DIAGNOSTIC MODE
2 - 70
2.5.7 Scanner
Adjustment mode (05)
Code
Classific
ation
Items
Functi
on
Default
<Accept
able
value>
RAM Contents
Proce
dure
305 Scanner Image location adjustment
of secondary scanning
direction
(scanner section) ALL 124
<68-188>
SYS When the value
increases by “1”, the
image shifts by approx.
0.08333 mm toward the
trailing edge of the
paper. 1
306 Scanner Image location adjustment
of
primary scanning
direction
(scanner section)
ALL 113
<0-255>
SYS When the value
increases by “1”, the
image shifts by approx.
0.0423 mm toward the
front side of the paper. 1
308 Scanner Distortion mode ALL - - Moves carriages to the
adjusting position.
(Ch.3.1.9) 6
340 Scanner Reproduction ratio
adjustment of secondary
scanning direction
(scanner section) ALL 128
<0-255>
SYS When the value
increases by “1”, the
reproduction ratio in the
secondary scanning
direction (vertical to
paper feeding direction)
increases by approx.
0.017%. 1
357 RADF Fine adjustment of RADF
transport speed ALL 50
<0-100>
SYS When the value
increases by “1”, the
reproduction ratio of the
secondary scanning
direction on original (fed
from the RADF)
increases by approx.
0.1%. 1
358 RADF RADF sideways deviation
adjustment ALL 128
<0-255>
SYS When the value
increases by “1”, the
image of original fed
from the RADF shifts
toward the rear side of
paper by approx.
0.0423 mm. 1
363 Scanner Data transfer of
characteristic value of
scanner / SYS board
→
SLG board
SCN - SYS Transfers the
characteristic values of
the scanner (shading
correction factor / RGB
color correction /
reproduction ratio color
aberration correction /
shading position
correction factor /
reproduction ratio
correction value in
primary scanning
direction) from the
SRAM of the SYS
board to the SRAM of
the SLG board. 6