Ricoh DD5450 Field Service Manual page 352

Chapter 8 HELP Mode Function and Operation Procedures
3
HELP-045
ADF SCAN LEVEL ADJUSTMENT
PHOTO
PHOTO/TEXT
BLACK LEVEL
BLACK LEVEL
080
040
10.
7.
WHITE LEVEL WHITE LEVEL
040 040
8. 11.
PEAK HOLD
PEAK HOLD
−0.5
+0.0
9. 12.
● Operation procedure
1.
Call the HELP mode "H-045".
Enter "045" by the NUMERIC keys and then press the
PRINT key.
2.
Change the screen.
Touch the arrow on the screen lower right once to switch to
Page 2.
3.
Adjust the ADF scan level.
Adjustment
1. Select and touch the item to be adjusted.
► Reference values
No.
7
8
Text mode
9
10
11
Text/Photo mode
12
2. Enter the value by the NUMERIC keys or change the value
by the PRINT POSITION
● Press the HOME 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.
4.
Return to the HELP mode.
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
350
(2) ADF scan Level Adjustment
Page 2:
● Adjustment
PHOTO/TEXT mode
Black level , White level , Peak hold
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.
using the numeric keys.
(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
PHOTO/TEXT
PHOTO
BLACK LEVEL
BLACK LEVEL
080 040
7. 10.
WHITE LEVEL WHITE LEVEL
040 040
8. 11.
PEAK HOLD
PEAK HOLD
−0.5
+0.0
9. 12.
● Photo/Text mode, Photo mode
Adjust it by the black level and the
peak hold.
Do not change the white level.
Touch