Toshiba e-studio281c, Service Handbook, Page: 309 / 678

© 2005 - 2008 TOSHIBA TEC CORPORATION All rights reserved e-STUDIO281c/351c/451c
ADJUSTMENT
3 - 43
3
3.7.3 Background adjustment (Gray Scale Mode)
The adjustment level of background center value and the control of background adjustment button are
adjusted.
<Adjustment Mode (05)>
<Procedure>
(1) While pressing [0] and [5] simultaneously, turn the power ON.
(2) Key in the codes and press the [START] button.
(3) Key in the adjustment values. Acceptable values : 0 to 255. (To correct the value once keyed in,
press [CLEAR] button.)
(4) Press the [ENTER] or [INTERRUPT] button to store the value in memory. ‡ The equipment goes
back to the ready state.
(5) Let the equipment restart and perform scanning job.
(6) If the desired image has not been attained, repeat step (1) to (5).
3.7.4 Background adjustment (Color Mode)
The adjustment level of background center value is adjusted. The control value of background adjust-
ment button is automatically adjusted to the same level as the adjusted center value.
For example, when the control value of background adjustment key ranges from 0 to 6, the background
center value (-2 to +2) is used to be the range from 6 to 14 accordingly.
<Procedure>
(1) While pressing [0] and [5] simultaneously, turn the power ON.
(2) Key in the codes and press the [START] button.
(3) Key in the adjustment values. Acceptable values : 0 to 50. (To correct the value once keyed in,
press [CLEAR] button.)
(4) Press the [ENTER] or [INTERRUPT] button to store the value in memory. Æ The equipment goes
back to the ready state.
(5) Let the equipment restart and perform scanning job.
(6) If the desired image has not been attained, repeat step (1) to (5).
Code Item to be adjusted Remarks
848 Center value The larger the value is, the background becomes darker. The smaller the value
is, the background becomes lighter.
Acceptable values: 0 to 255 (Default: 128)
858 Dark step value The larger the value is, the image of the “dark” steps becomes darker.
Acceptable values: 0 to 255 (Default: 50)
853 Light step value The larger the value is, the image of the “light” steps becomes lighter.
Acceptable values: 0 to 255 (Default: 50)
Code Original mode Remarks
1070 Text The larger the value is, the background becomes lighter.
Acceptable values: 0 to 50 (Default: 0)
1071 Printed Image
1072 Photo
Before adjustment
After adjustment
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17
+2 +1 0 -1 -2
-1 -2 +2 +1 0