Sharp AR-BC260 Service Manual page 184

44 -36
Purpose Adjustment
Function Color image density sensor and black image density
(Purpose) sensor adjustment (simple adjustment)
Section Process (Transfer)
Operation/ 1. Enter the SIM44-36 mode.
Procedure 2. Press the [EXECUTE] key.
Adjustment is performed automatically. After
completion of adjustment, the result is displayed
and the [EXECUTE] key display returns to the
original state.
Note: Do not execute this simulation.
Use SIM 44-2 and 44-13 to adjust the image density sen-
sor.
(Adjustment items)
Display Content
PCS_C CARB ADJ Color image density sensor
LED current adjustment target
value
PCS_C DARK Color image density sensor
dark voltage level
PCS_C LED ADJ Color image density sensor
LED current adjustment value
PCS K LED ADJ Black image density sensor
LED current adjustment value
PCS_K GAIN Black image density sensor
output gain (AMP) adjustment
value
PCS_K DARK Black image density sensor
dark voltage level
PCS_K GRND Black image density sensor
transfer belt surface detection
level
BELTMAX Transfer belt surface max.
detection level (Black image
sensor)
BELTMIN Transfer belt surface min.
detection level (Black image
sensor)
BELTDIF Difference between the max.
value and the min. value of
transfer belt surface detection
level (BELTMAX-BELTMIN)
46
46 -1
Purpose Adjustment
Function Used to adjust the copy density of each color copy
(Purpose) mode in the low-density area. The copy densities of
all colors in the low-density area are changed.
Section Process (Photoconductor, developing, transfer,
cleaning)
Item Picture quality
Operation/ 1. Select the copy mode for copy density
Procedure adjustment with the scroll key.
2. Enter the set value with the 10-key and press the
[OK] key, and the set value is stores.
(Items to be set)
A AUTO
B TEXT
C TEXT/PRINTED PHOTO
D TEXT/PHOTO
E PRINTED PHOTO
F PHOTOGRAPH
G MAP
H TEXT (COPY TO COPY)
I TEXT/PRINTED PHOTO
(COPY TO COPY)
J PRINTED PHOTO (COPY
Min Max Default
TO COPY)
Value Value value
K TEXT (COLOR TONE
1 255 108
ENHANCEMENT)
L TEXT/PRINTED PHOTO
(COLOR TONE
0 255 0
ENHANCEMENT)
M TEXT/PHOTO (COLOR
1 255 51
TONE ENHANCEMENT)
N PRINTED PHOTO
1 255 51
(COLOR TONE
ENHANCEMENT)
0 15 0
O PHOTOGRAPH (COLOR
TONE ENHANCEMENT)
P MAP (COLOR TONE
0 255 0
ENHANCEMENT)
Q SINGLE COLOR
0 255 0
R SINGLE COLOR (COPY
TO COPY)
0 255 0
0 255 0
0 255 0
46
Purpose
Function
(Purpose)
Section
Item
Operation/
Procedure
(Items to be set)
A AUTO1 (*1)
B AUTO2 (*2)
C TEXT
D TEXT/PRINTED
Density
PHOTO
E TEXT/PHOTO
F PRINTED PHOTO
G PHOTOGRAPH
H MAP
I TEXT (COPY TO
COPY)
AR-BC260 SIMULATION 9 - 46
Copy mode
Display
(Color)
Auto (Auto
document kind
recognition, auto
exposure)
Text
Text/Printed photo
Text/Photograph
Printed photo
Photograph
Map
Text (Copy
document)
Text/Print (Copy
document)
Printed photo
Text (Color
emphasis)
Text/Print (Color
emphasis)
Color/Photograph
(Color emphasis)
Prided photo
(Color emphasis)
Photograph (Color
emphasis)
Map (Color
emphasis)
Single color
Single color (Copy
document)
-2
Adjustment
Used to adjust the copy density of the low-density
area in each monochrome copy mode. The copy
density of the low-density area is changed.
Process (Photoconductor, developing, transfer,
cleaning)
Picture quality
1. Select the copy mode for copy density
adjustment with the scroll key.
2. Enter the set value with the 10-key and press the
[OK] key, and the entered value is set.
Display Copy mode (Color)
Auto 1 (Japan)
Auto 2 (Except
Japan)
Text
Text/Printed photo
Text/Photograph
Printed photo
Photograph
Map
Text (Copy
document)
Min. Max.
Default
Value Value
1 99 50
1 99 50
1 99 50
1 99 50
1 99 50
1 99 50
1 99 50
1 99 50
1 99 50
1 99 50
1 99 50
1 99 50
1 99 50
1 99 50
1 99 50
1 99 50
1 99 50
1 99 50
Density
Min. Max.
Default
Value Value
1 99 50
1 99 50
1 99 50
1 99 50
1 99 50
1 99 50
1 99 50
1 99 50
1 99 50