Sharp AR-BC320, Service Manual, Page: 204 / 344

AR-BC320 SIMULATION 9 - 50
2. Press the [YES] key, and the half tone correction data is set to
the default level. (If the [NO] key is pressed, it is canceled.)
∗
After replacement of the OPC drum, be sure to execute this
simulation.
Note: Do not execute this simulation.
Use SIM 44-2 and 44-13 to adjust the image density sensor.
(Adjustment items)
(Items to be set)
44 -27
Purpose Data clear
Function
(Purpose) Used to clear the half tone correction data and set
to the default level.
Section Process (Photoconductor, developing, transfer,
cleaning)
Item Data
Operation/
Procedure 1. Press the [EXECUTE] key. The [YES] and [NO]
keys become active.
44 -36
Purpose Adjustment
Function
(Purpose) Color image density sensor and black image
density sensor adjustment (simple adjustment)
Section Process (Transfer)
Operation/
Procedure 1. Enter the SIM44-36 mode.
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.
Display Content
Min
Value
Max
Value
Default
value
PCS_C CARB
ADJ Color image density sensor LED
current adjustment target value 1 255 108
PCS_C DARK Color image density sensor dark
voltage level
0 255 0
PCS_C LED
ADJ Color image density sensor LED
current adjustment value 1 255 51
PCS_K LED
ADJ Black image density sensor LED
current adjustment value 1 255 51
PCS_K GAIN Black image density sensor
output gain (AMP) adjustment
value 0 15 0
PCS_K DARK Black image density sensor dark
voltage level 0 255 0
PCS_K GRND Black image density sensor
transfer belt surface detection
level
0 255 0
BELTMAX Transfer belt surface max.
detection level (Black image
sensor) 0 255 0
BELTMIN Transfer belt surface min.
detection level (Black image
sensor) 0 255 0
BELTDIF Difference between the max.
value and the min. value of
transfer belt surface detection
level (BELTMAX-BELTMIN) 0 255 0
46
46 -1
Purpose Adjustment
Function
(Purpose) Used to adjust the copy density of each color copy
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 Density
Operation/
Procedure 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 set value is stores.
Display Copy mode (Color)
Min.
Value
Max.
Value
Default
A AUTO Auto (Auto
document kind
recognition, auto
exposure) 1 99 50
B TEXT Text 1 99 50
C TEXT/PRINTED PHOTO Text/Printed photo 1 99 50
D TEXT/PHOTO Text/Photograph 1 99 50
E PRINTED PHOTO Printed photo 1 99 50
F PHOTOGRAPH Photograph 1 99 50
G MAP Map 1 99 50
H TEXT (COPY TO COPY) Text (Copy
document)
1 99 50
I TEXT/PRINTED PHOTO
(COPY TO COPY) Text/Print (Copy
document) 1 99 50
J PRINTED PHOTO
(COPY TO COPY)
Printed photo 1 99 50
K TEXT (COLOR TONE
ENHANCEMENT)
Text (Color
emphasis) 1 99 50
L TEXT/PRINTED PHOTO
(COLOR TONE
ENHANCEMENT)
Text/Print (Color
emphasis) 1 99 50
M TEXT/PHOTO (COLOR
TONE ENHANCEMENT)
Color/Photograph
(Color emphasis) 1 99 50
N PRINTED PHOTO
(COLOR TONE
ENHANCEMENT)
Prided photo (Color
emphasis) 1 99 50
O PHOTOGRAPH (COLOR
TONE ENHANCEMENT)
Photograph (Color
emphasis) 1 99 50
P MAP (COLOR TONE
ENHANCEMENT)
Map (Color
emphasis) 1 99 50
Q SINGLE COLOR Single color 1 99 50
R SINGLE COLOR (COPY
TO COPY)
Single color (Copy
document) 1 99 50