Ricoh ADF DF7010, Field Service Manual

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Chapter 7 3 HELP Mode Functions and Operation Procedures
Page 1:
● Adjustment.
TEXT mode
Black level , White level , Peak hold
TEXT/PHOTO mode
Black level , White level , Peak hold
1.
● Operation procedure
(1) ADF scan Level Adjustment
(2 pages in total)
HELP-045
Call the HELP mode “H-045”.
2.
Adjust the ADF scan level.
Adjustment
1. Select and touch the item to be adjusted.
►
Reference values
No. Item Adjustment width
1
Text mode
Black level 0 - 255
2 White level 0 - 255
3 Peak hold −9.9 - +9.9
4
Text/Photo mode
Black level 0 - 255
5 White level 0 - 255
6 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 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.
3. Press the
X
=
key to store the set value.
3.
Return to the HELP mode.
● 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.
ADF SCAN LEVEL ADJUSTMENT
200
220
+0.0
+0.0
090
120
1.
2.
3. 6.
4.
5.
TEXT
BLACK LEVEL
TEXT/PHOTO
BLACK LEVEL
WHITE LEVEL
WHITE LEVEL
PEAK HOLD PEAK HOLD
HELP-045
200
220
+0.0
+0.0
090
120
1.
2.
3. 6.
4.
5.
HELP-045
200
220
+0.0
+0.0
090
120
1.
2.
3.
6.
4.
5.
Press the STOP key.
The HELP mode selection display will reappear.
Enter “
045
” by the NUMERIC keys and then press the
PRINT key.
ADF SCAN LEVEL ADJUSTMENT
TEXT
BLACK LEVEL
TEXT/PHOTO
BLACK LEVEL
WHITE LEVEL
WHITE LEVEL
PEAK HOLD PEAK HOLD
ADF SCAN LEVEL ADJUSTMENT
TEXT
BLACK LEVEL
TEXT/PHOTO
BLACK LEVEL
WHITE LEVEL WHITE LEVEL
PEAK HOLD PEAK HOLD
→
To exit the HELP mode : Turn the power switch OFF.
→ To access another HELP mode : Enter the desired mode number using the numeric keys.