Image Processing Reference
In-Depth Information
TABLE 10.6
Development Model
Developability
CAD
:
V
dev
¼
V
h
V
bias
; V
clean
¼
V
bias
V
L
(
10
:
28
)
DAD
:
V
dev
¼
V
bias
V
L
; V
clean
¼
V
h
V
bias
(
10
:
29
)
M
A
¼
V
dev
e
0
(
Q
=
M
)
d
p
=
K
p
D
¼
(
10
:
30
)
n
h
i
o
1
exp
g
a
or
D
¼ a
ð
V
dev
V
d0
Þ
(
10
:
32
)
Q
M
¼
A
t
T
c
þ
k
0
(
10
:
31
)
T
c
100
þ
T
c
u
br
u
pr
a ¼ MOR
(
10
:
33
)
e
0
h
i
g ¼
(
10
:
34
)
u
pr
u
br
(
t
=
K
)
br
Q
M
(
t
=
K
)
pr
þ
Measurement quantities: {V
h
, V
L
, D, T
c
}, D measured at different gray
levels
Actuators: {V
g
, X, V
bias
}or{V
g
, X, V
dev
, V
clean
}
n
h
i
o
exp
g
D
¼ a
1
a
(
V
dev
V
d0
)
(
10
:
32
)
where the parameter
a
represents the supply limit and
g
represents the develop-
ment slope.
They have a dependency on TC and tribo as follows [21]:
T
c
100
u
br
u
pr
a ¼ MOR
(
10
:
33
)
þ
T
c
e
0
h
i
g ¼
(
10
:
34
)
u
pr
Q
M
(
t
=
K
)
pr
þ
u
br
(
t
=
K
)
br
The tribo is obtained from Equation 10.31. The parameters fit
=
K)
pr
and (t
=
K)
br
are
t
to experimental data and are measured in
m
m. Parameters u
pr
and u
br
denote the
speed (mm
is of the PR and the brushing roll, respectively, and MOR is the mass on
roll (in mg
=
cm
2
). Table 10.6 summarizes the model and shows actuators and
measured quantities. Table 10.7 below shows parameters for a two-component
development system.
=
10.2.4 T
RANSFER
M
ODEL
In the transfer station, the developed image on the photoconductor is transferred to
the media. In their simplest form, the transfer methods are similar to the methods
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