Ricoh DD 5450, Field Service Manual

Page: 350 / 403

348
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Chapter 8 HELP Mode Function and Operation Procedures
Page 2:
● Adjustment.
PHOTO/TEXT mode
Black level , White level , Peak hold
PHOTO mode
Black level , White level , Peak hold
● Operation procedure
(2) Scan Level Adjustment
(2 pages in total)
HELP-044
3.
Adjust the scan level.
Adjustment
1. Select and touch the item to be adjusted.
No. Item Adjustment width
7
Photo/Text mode
Black level 0-255
8 White level 0-255
9 Peak hold − 9.9 - + 9.9
10
Photo mode
Black level 0-255
11 White level 0-255
12 Peak hold − 9.9 - + 9.9
2. Enter the value by the NUMERIC keys or change the value
by the
PRINT POSITION keys.
● 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.
3. Press the
X
=
key to store the set value.
4.
Return to the HELP mode.
1.
Call the HELP mode “H-044”.
2.
● Photo/Text mode, Photo mode
Adjust it by the black level and
the peak hold.
Do not change the white level.
080
040
− 0.5
+0.0
040
040
8.
9. 12.
10.
11.
HELP-044
200
220
+0.0
+0.0
090
120
1.
2.
3. 6.
4.
5.
HELP-044
080
040
− 0.5 +0.0
040
040
7.
8.
9.
12.
10.
11.
Touch
7.
Press the STOP key.
The HELP mode selection display will reappear.
Enter “ 044 ” by the NUMERIC keys and then press the
PRINT key.
→ To exit the HELP mode : Turn the power switch OFF.
→ To access another HELP mode : Enter the desired mode number
using the numeric keys.
Touch the arrow on the screen lower right once to switch to
Page 2.
Change the screen.
SCAN LEVEL ADJUSTMENT
● When S3-ADF is not installed:
If the scan level is changed, the same value is entered
in ADF (HELP-045).
After ADF adjustment, the scan level is not changed.
PHOTO/TEXT
BLACK LEVEL
WHITE LEVEL
WHITE LEVEL
PEAK HOLD PEAK HOLD
PHOTO
BLACK LEVEL
TEXT
BLACK LEVEL
WHITE LEVEL
WHITE LEVEL
PEAK HOLD PEAK HOLD
TEXT/PHOTO
BLACK LEVEL
PHOTO/TEXT
BLACK LEVEL
WHITE LEVEL
WHITE LEVEL
PEAK HOLD PEAK HOLD
PHOTO
BLACK LEVEL
SCAN LEVEL ADJUSTMENT
SCAN LEVEL ADJUSTMENT
3