Specifications

3-42
Machine Parameter 489
Switch
Initial
Setting
Adjust Usage/Comments
7 0
6 0
5 0
4 0
3 0
2 0
1 0
0 0
Black balance adjustment
Fax mode
Document type: Gray scale
Contrast: Dark, Darker, Light,
Lighter
Switch 76543210
16 steps 00010000 + Darkest setting
:
8 steps 00001000
:
4 steps 00000100
:
0 step 00000000  Standard
:
-4 step 10000100
:
-8 step 10001000
:
-16step 10010000 Lightest setting
The total step is the sum of Machine parameter
489 and 494 (ADF only). However the steps
cannot exceed –16 or 16.
Machine Parameter 490
Switch
Initial
Setting
Adjust Usage/Comments
7 0
6 0
5 0
4 0
3 0
2 0
1 0
0 0
Black balance adjustment
Fax mode
Document type: Gray scale
Contrast: Normal
Switch 76543210
16 steps 00010000 + Darkest setting
:
8 steps 00001000
:
4 steps 00000100
:
0 step 00000000  Standard
:
-4 step 10000100
:
-8 step 10001000
:
-16step 10010000 Lightest setting
The total step is the sum of Machine parameter
489 and 494 (ADF only). However the steps
cannot exceed –16 or 16.
Machine Parameter 491 --- Factory use only