17 Januar
y,
2003
T
R
O
U
BLESHOOTI
N
G GUI
D
E
4-
47
S
ubje
ct
Sy
mptom
Ca
us
e
A
ction
T
oner
blas
ting (
1)
T
oner
m
a
y
bl
as
t, c
aus
ing
sm
ear
ed tex
t c
har
ac
ter
s
and/
or
li
nes
in
2C
or
pr
oc
es
s
blac
k m
ode
(depe
nd
ing
on
the
PDL s
et
tin
g or
t
yp
e of
paper
us
ed.)
An ex
ce
ss
ive am
ount
of
toner
is
us
e
d f
or
dev
el
opm
ent.
Chan
ge t
he t
oner
lim
it s
etti
ng i
n S
P
m
ode.
•
If
toner
bl
as
ted
im
ages
app
ear
f
or
tex
t or
li
nes
in 2
C
, d
ec
reas
e th
e s
ett
ing
fo
r
T
ex
t f
ro
m
190%
to 15
0 -
17
0%.
•
If
toner
bl
as
ted
im
ages
f
or
tex
t and
li
nes
re
cogni
ze
d as
p
ur
e im
age
data (
i.e.
not
pr
oc
es
se
d as
tex
t/
line d
ata)
, dec
reas
e t
he
se
ttin
g f
or
Pho
to f
rom
260% to 1
70 -
1
90%.
NOT
E
:
If
the toner
lim
it is
lo
wer
ed t
oo m
uc
h, it
m
ay
c
aus
e t
he d
ens
ity
of
s
hado
w ar
eas
t
o b
e no
t
sm
ooth.
T
oner
blas
ting (
2)
Blac
k toner
m
a
y bl
as
t on
th
e
2nd s
ide
of
paper
u
nder
the
lo
w
t
em
per
atur
e.
Blac
k toner
m
oves
on
the
p
aper
d
ur
in
g
tr
ans
por
t t
o th
e f
us
ing s
ec
tion, d
ue t
o
dis
char
ge f
rom
the toner
to
the
su
rr
oundi
ng gui
de pla
tes
.
Inc
reas
e th
e pa
per
tr
a
ns
fer
c
ur
rent i
n S
P
d
ata
fr
om
the def
ault s
et
tin
g to
a
r
ec
om
m
ended
val
ue
depe
nd
ing
on t
he m
ode s
el
ec
ted as
s
h
o
w
n
bel
o
w
.
SP
2-
301-
3
(
[K]
125m
m
/s
ec)
: “
16”
to “
2
1”
SP
2-
301-
4
(
[K]
180m
m
/s
ec)
: “
27”
to “
3
2”
SP
2-
301-
1
6 (
[F
C
,
K] 1
25m
m
/s
ec
): “
9”
to “
13”
SP
2-
301-
1
7 (
[F
C
,
K]1
80m
m
/s
ec
): “
15”
to “
20”
NOT
E
:
If
the toner
lim
it is
lo
wer
ed t
oo m
uc
h, it
m
ay
c
aus
e t
he d
ens
ity
of
s
hado
w ar
eas
t
o b
e no
t
sm
ooth.
Im
age dens
ity
c
ha
nge
(1
)
W
hen the m
ac
hine is
t
une
d
on i
n th
e m
or
ning (
ha
ving
been
un
us
ed f
or
a
w
h
ile)
, t
he
ID of
the
in
iti
al
outp
uts
m
a
y
be r
el
ati
ve
ly
lo
w
or
hig
h,
in
whic
h c
as
e
the m
ac
hine
needs
t
o c
om
pens
ate b
y
ra
is
ing
or
lo
w
er
ing t
he I
D
dur
in
g m
ac
hine o
per
at
ion.
W
hen the m
ac
hine is
of
f,
the
env
ironm
ental
c
ond
iti
ons
c
an b
egi
n to
af
fe
ct
the
m
ac
hine’s
de
vel
o
pm
ent
capab
ilit
y.
W
hen the m
ain s
w
itc
h
is
tune
d on
, th
e m
ac
hine s
tar
ts
a pr
oc
es
s
contr
ol s
e
lf-
check
and adj
u
sts
the
dev
el
opm
ent par
am
eter
s to ac
hie
ve
the
pr
oper
d
ev
el
opm
ent pote
nti
al g
ap
with
out
adj
us
tin
g th
e to
ner
conc
entr
at
ion.
O
ver
the c
o
ur
se
of
the
pr
int oper
a
tio
n,
the
ID
w
ill t
hen get
cl
os
er
and c
los
er
to t
he t
ar
get
le
ve
l.
If
this
is
of
ten
poi
nte
d ou
t b
y
us
er
s
w
h
o ar
e
ver
y
par
tic
u
lar
a
bout
im
age de
n
sit
y,
tur
n o
n
Auto
T
D
Adj
us
tm
ent (
SP3-
1
25-
00
3)
as
a s
ol
uti
on.
NOT
E
:
It tak
es
about 5 m
in
utes
to c
om
plete
the
se
lf-
check
.