Sharp AR-C150 Service Manual page 132

Disp Disp Default
PosNo. Chara Value
A POINT1 500
↓ ↓ ↓
O POINT15 500
Common to all colors
Disp Default Min
Chara Value Value
COPIES 1 1
PAPER SEL:∗∗∗ 2 1
∗∗∗: The display item differs depending on the data value.
Note Do not change the setting in normal cases.
46 - 27
Purpose Adjustment
Function Used to adjust the black toner component image
(Purpose) gamma. (Adjustment of the reproduction capability of
black characters and lines) (AR-C250/C160/C270)
Section ICU
Item Picture quality
Operation/ 1. Enter the adjustment value with the 10-key.
Procedure
2. Press the [OK] key.
This simulation is used to adjust the reproduction capability of
black characters and black line edge areas by varying the gamma
of black toner component image. Especially thin black characters
and lines are affected by this adjustment.
Note that the black toner component image quantity differs
depending on each copy mode. When checking the result of this
adjustment, therefore, be careful of the selected copy mode. It is
advisable to use the Text/Printed Photo copy mode for
adjustment.
The greater the adjustment value is, the darker the black toner
component (edge area) image is, and vice versa.
Set to normally default value.
(AR-C250)
Disp Disp Default Min
PosNo. Chara Value Value
A COLOR 50
MODE
Min Max
Contents
Value Value
1 999 Half tone reference
correction table S46
correction quantity:
yellow density 0 for
all
↓ ↓ ↓
1 999 Half tone reference
correction table S46
correction quantity:
yellow density 14 for
all
Max
Contents
Value
999 Number of sheets of
self print
6 Paper feed tray when
self print is executed
Max
Contents
Value
0 100 Set value of
calculation
coefficient of black
text engine, gamma
curve (color)
(AR-C160/C270)
Disp Disp
PosNo. Chara
A COLOR
MODE
B B/W
MODE
48
48 - 6
Purpose Adjustment
Function Used to adjust each motor rotating speed.
(Purpose)
Item Operation
Operation/ 1. Select the motor to be adjusted with [↑], [↓] keys.
Procedure
2. Enter the adjustment value with the 10-key.
3. Press the [OK] key.
A. RRM Resist motor speed correction value
B. BELTM Belt transport motor speed correction value
C. FSM (L) Fusing motor speed correction value (Larger than
B4)
D. FSM (S) Fusing motor speed correction value (Smaller than
B4)
this
E. DM(BK) Drum motor speed correction value (Black)
F. DM(CL) Drum motor speed correction value (Color)
G. PFM PFM speed adjustment value
(AR-C160/C270)
H. DVKM Black developing motor speed correction
adjustment value (AR-C160/C270)
I. DVCM Color developing motor speed correction
adjustment value (AR-C160/C270)
The speed is adjusted in the range of 1 – 99 with 50 as the
reference value.
RPM: The smaller the set value is, the slower the speed is.
±1 for about 0.1% change
BELTM: The smaller the set value is, the slower the speed is.
±1 for about 0.1% change
8 – 32
Default Min Max
Value Value Value
70 0 100 Set value of
calculation
coefficient of black
text engine, gamma
curve (color)
50 0 100 Set value of
calculation
coefficient of black
text engine, gamma
curve (monochrome)
Contents