Ricoh ADF DF7010 Field Service Manual page 67

HELP-045
ADF SCAN LEVEL ADJUSTMENT
TEXT TEXT/PHOTO
BLACK LEVEL BLACK LEVEL
200 090
4.
1.
WHITE LEVEL
WHITE LEVEL
220 120
2. 5.
PEAK HOLD PEAK HOLD
+0.0
+0.0
3. 6.
● Operation procedure
Call the HELP mode "H-045".
1.
Enter "045" by the NUMERIC keys and then press the
PRINT key.
Adjust the ADF scan level.
2.
Adjustment
1. Select and touch the item to be adjusted.
► Reference values
No.
1
2
Text mode
3
4
5
Text/Photo mode
6
2. Enter the value by the NUMERIC keys or change the
value by the PRINT POSITION
● Press the HOME key or PROPERTY key to invert
"+"and "-"of the selected set value.
● Press the C (clear) key to return the selected set value
to the value before change.
X
3. Press the key to store the set value.
=
Return to the HELP mode.
3.
Press the STOP key.
The HELP mode selection display will reappear.
→ To exit the HELP mode
→ To access another HELP mode : Enter the desired mode number using the numeric keys.
Chapter 7 3 HELP Mode Functions and Operation Procedures
(1) ADF scan Level Adjustment
Page 1:
● Adjustment.
TEXT mode
Black level , White level , Peak hold
TEXT/PHOTO mode
Black level , White level , Peak hold
Item Adjustment width
Black level 0 - 255
White level 0 - 255
Peak hold −9.9 - +9.9
Black level 0 - 255
White level 0 - 255
Peak hold −9.9 - +9.9
keys.
: Turn the power switch OFF.
(2 pages in total)
HELP-045
ADF SCAN LEVEL ADJUSTMENT
TEXT/PHOTO
TEXT
BLACK LEVEL
BLACK LEVEL
200 090
1. 4.
WHITE LEVEL
WHITE LEVEL
220 120
2. 5.
PEAK HOLD PEAK HOLD
+0.0 +0.0
3.
6.
HELP-045
ADF SCAN LEVEL ADJUSTMENT
TEXT/PHOTO
TEXT
BLACK LEVEL
BLACK LEVEL
200 090
1. 4.
WHITE LEVEL WHITE LEVEL
220 120
2. 5.
PEAK HOLD PEAK HOLD
+0.0 +0.0
3.
6.
●Text mode
Adjust it by black and white levels.
Do not change the peak hold.
●Text /Photo mode
Adjust it by the black level and the
peak hold.
Do not change the white level.
７
65