Ricoh DD5450 Field Service Manual page 349

HELP-044
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
1.
Call the HELP mode "H-044".
Enter "044" by the NUMERIC keys and then press the
PRINT key.
2.
Adjust the scan level.
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 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 = key to store the set value. X
● 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.
3. 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
Chapter 8
(1) 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
: Turn the power switch OFF.
using the numeric keys.
HELP Mode Function and Operation Procedures
3
(2 pages in total)
HELP-044
SCAN LEVEL ADJUSTMENT
TEXT
BLACK LEVEL
200
1.
WHITE LEVEL
220
2.
PEAK HOLD
+0.0
3.
HELP-044
SCAN LEVEL ADJUSTMENT
TEXT
BLACK LEVEL
200
1.
WHITE LEVEL
220
2.
PEAK HOLD
+0.0
3.
●Text mode
Adjust it by black and white lev-
keys.
els.
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.
TEXT/PHOTO
BLACK LEVEL
090
4.
WHITE LEVEL
120
5.
PEAK HOLD
+0.0
6.
TEXT/PHOTO
BLACK LEVEL
090
4.
WHITE LEVEL
120
5.
PEAK HOLD
+0.0
6.
８
347