MX-B381, MX-B401 (serv.man7). JAN 2011 REVISED SERVICE MANUAL - Sharp Copying Equipment Service Manual (repair manual). Page 122

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MX-B381/B401  SIMULATION  5 – 57
NOTE:
 
46-21
Purpose
Adjustment
Function (Purpose) Copy density and gradation adjustment
(Manual adjustment)
Section
Operation/Procedure
1)
Use [
] [] keys to select a density level to be adjusted.
2)
Enter the set value with 10-key.
* When the     key is pressed, the setting value of each
item can be changed with 1up (1down) collectively.
3)
Press [OK] key. (The set value is saved.)
When the adjustment value is increased, the image density is
increased, and vice versa.
When [EXECUTE] key is pressed, the check pattern in printed in
the density and gradation corresponding to the adjustment value.
 
46-23
Purpose
Adjustment/Setup
Function (Purpose) Used to set the density correction of copy
high density section (High density tone gap
supported).
Section
Operation/Procedure
1)
Select an adjustment target item with [
] [] key.
2)
Enter the set value with 10-key. 
3)
Press [OK] key. (The set value is saved.)
* When tone gap is generated in the high density area, set item A
to "0”.
The density of high density part decreases. However, the tone
gap is better.
* To increase the density in the high density area further, set item
A to "1”.
The tone gap may occur in high density part.
NOTE: Do not change the value of item B. If the value is changed,
the density in the high density area is changed.
AE_STOP_FAX
Auto B/W exposure 
Stop (for FAX)
ON/OFF
ON
AE_STOP_SCAN
Auto B/W exposure 
Stop (for scanner)
REALTIME/
STOP/
PRESCAN
STOP
AE_FILTER
Auto exposure filter 
setting
SOFT
NORMAL 
NORMAL 
SHARP
AE_WIDTH
AE exposure width
FULL/PART
PART
MODE 1
High gamma (high contrast images)
MODE 2
Normal gamma
STOP
The image density in 3 - 7mm area at the lead edge is 
scanned, and the output image density is determined 
according to the scanned density. (The output image 
density is even for all the surface.)
REALTIME
The densities of the document width are scanned 
sequentially, and the output image density is 
determined according to the density in each area of 
document. (The output image density may not be 
even for all the surface.)
PRESCAN
The densities of the all surface of document are 
scanned sequentially, and the output image density is 
determined according to the average of the scanned 
densities. (The output image density is even for all the 
surface.)
AE WIDTH FULL
The document density scan area in the monochrome 
auto mode is 3 - 7mm at the document lead edge x 
the document width. This is not related to the 
PRESCAN mode.
AE WIDTH PART
The document density scan area in the monochrome 
auto mode is 3 - 7mm at the document lead edge x 
100mm width. This is not related to the PRESCAN 
mode.
Item/Display
Content
Set value
Default 
value
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6723
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21
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Item/Display
Density level 
(Point)
Setting range
Default 
value
A
POINT1
Point 1
245 - 755
500
B
POINT2
Point 2
245 - 755
500
C
POINT3
Point 3
245 - 755
500
D
POINT4
Point 4
245 - 755
500
E
POINT5
Point 5
245 - 755
500
F
POINT6
Point 6
245 - 755
500
G
POINT7
Point 7
245 - 755
500
H
POINT8
Point 8
245 - 755
500
I
POINT9
Point 9
245 - 755
500
J
POINT10
Point 10
245 - 755
500
K
POINT11
Point 11
245 - 755
500
L
POINT12
Point 12
245 - 755
500
M
POINT13
Point 13
245 - 755
500
N
POINT14
Point 14
245 - 755
500
O
POINT15
Point 15
245 - 755
500
P
POINT16
Point 16
245 - 755
500
Q
POINT17
Point 17
245 - 755
500
Item/Display
Content
Setting 
range
Default 
value
A
K
(0: ENABLE
   1: DISABLE)
0
K engine highest density 
correction mode: Enable
0 - 1
1
1
K engine highest density 
correction mode: Disable
B
BLACK MAX 
TARGET
Scanner target value for 
BLACK maximum density 
correction
0 - 999
500
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˖32,17
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˖32,17
˖32,17
˖32,17
˖32,17
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2.
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.
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