Ricoh ADF DF7010, Руководство по обслуживанию на месте

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44
Chapter 4 2 Electrical System
HELP-045
200
220
+0.0
+0.0
090
120
1.
2.
3.
6.
4.
5.
ADF SCAN LEVEL ADJUSTMENT
TEXT
BLACK LEVEL
TEXT/PHOTO
BLACK LEVEL
WHITE LEVEL
WHITE LEVEL
PEAK HOLD PEAK HOLD
Be sure to adjust scanning level on the scanner
side before adjusting ADF scanning level. If
adjusting of scanning level on the scanner side is
performed after adjusting ADF scanning level, the
values for the ADF side will be changed to those
for the scanner side.
IMPORTANT
(3) Adjusting the Document Reading Darkness of ADF
(Make adjustment by the black level and the
white level.)
Adjustment procedure
1. Access HELP-045.
2. Select and touch the item to be adjusted and
change the value.
Adjust density of the dark part.
● To heighten density of the dark part.
→ Increase the black level.
● To lower density of the dark part.
→ Decrease the black level.
Adjust density of the light part.
● Scumming occurs.
→ Increase the white level.
● Master making of the light part is impossible.
→ Decrease the white level.
3. Press the
X
=
key to store the set value.
4. After master making and printing, check density.
1. Adjusting the ADF Scan Level: Text mode
● HELP-044 display
HELP-045 → See page 65