T
R
O
U
BLESHOOTI
N
G GUI
D
E
17 Januar
y,
2003
4-
46
S
ubje
ct
Sy
mptom
Ca
us
e
A
ction
Cr
ow m
ar
ks
W
hen
m
ak
ing du
plex
pr
ints
in
lo
w
t
em
per
atur
e an
d hum
id
ity
condit
io
ns
, c
row m
ar
ks
m
ay
appe
ar
on
bl
ac
k i
m
ages
,
es
pec
ia
lly
in h
alf
ton
e ar
eas
on th
e 2
nd
s
ide
.
A c
har
g
e is
a
pp
lie
d to
the
p
aper
at
eac
h
co
lor
s
tat
ion
in
or
der
t
o attr
ac
t eac
h
toner
o
nto
the
pap
er
. T
her
e
for
e, the
ini
tia
l t
oner
c
o
lor
s
w
ill r
ec
e
iv
e m
ultip
le
char
gin
g as
th
e
y
pas
s eac
h
s
tatio
n,
whic
h
inc
reas
es
th
e at
tr
ac
tive f
or
ce
bet
w
e
en t
he t
oner
and
pap
er
. S
inc
e
blac
k is
the
las
t to
ner
to
be
app
lie
d, t
he
attr
ac
tive f
or
ce be
tw
ee
n i
t a
nd th
e p
aper
is
lo
wes
t. B
lac
k toner
m
ove
s on th
e
paper
dur
ing tr
a
ns
por
t t
o th
e f
us
ing
se
ct
ion,
due
to
dis
char
ge
f
rom
the toner
to th
e s
ur
roun
din
g g
uid
e p
lates
.
Us
ing
SP
2-
301
(
T
rans
fe
r C
ur
rent)
, i
nc
reas
e th
e
paper
tr
ans
fe
r c
ur
rent f
or
bl
ac
k in the m
ode in
whic
h t
he
pr
obl
em
oc
cu
rs
.
NOT
E
:
W
hite
dotted li
nes
m
ay
ap
pear
on
o
utp
uts
if the tr
ans
fe
r c
ur
rent
is
inc
reas
ed t
oo m
uc
h.
T
her
ef
or
e, af
ter
adj
us
ting t
he tr
ans
fe
r c
ur
re
nt,
it
is
nec
es
sa
ry
to
c
hec
k the r
es
ults
b
y m
ak
ing a s
o
lid
or
half
ton
e im
age
in d
up
lex
m
ode.
S
ymptoms relat
ed
to
colo
r
F
aint
im
age (
blac
k)
O
nl
y
bl
ac
k bec
om
es
light
er
.
T
he tr
ans
fe
r belt p
os
iti
on
is
not
in t
he
co
rr
ec
t pos
iti
on.
Chec
k the tr
ans
fe
r belt
un
it
pos
ition
and
/or
th
e
tr
ans
fe
r belt
uni
t r
el
eas
e
le
ver
.
Mage
nta and
/or
c
ya
n
jitter
Mage
nta j
itter
m
a
y ap
pear
at
67 m
m
and/or
c
yan j
itter
a
t
165 m
m
fr
om
the tr
ail
ing
edge
.
If
the r
egis
tr
a
tio
n r
ol
ler
s
p
e
ed is
t
oo f
as
t
fo
r the pap
er
t
ypes
us
e
d, t
h
e s
hoc
k
when the tr
ai
lin
g
e
dge has
ju
st
pas
sed
the r
eg
is
tr
at
ion r
o
ller
ge
ner
ates
vi
br
ati
on, c
a
us
ing
the
ji
tter
.
T
his
m
a
y
app
ear
es
pec
ial
ly when
us
in
g
thic
k paper
bec
a
us
e of
its
s
tif
fnes
s.
Adj
us
t th
e r
eg
is
tr
ati
on r
o
ller
s
peed
dep
end
in
g on
the p
aper
t
yp
es
an
d/or
m
ode s
elec
ted.
SP
1-
004-
4
: Nor
m
al pap
er
(
1200
dp
i)
SP
1-
004-
5
: Nor
m
al pap
er
(
600
dpi)
SP
1-
005-
3
: T
hic
k paper
(
1200
dpi)
If
SP1-
00
5-
3 c
an
not
im
pr
ove the
le
ve
l e
ve
n
w
h
en
se
ttin
g it
to “
-1
.0
”,
f
ollo
w th
e pr
oc
ed
ur
e b
elo
w.
1.
Set
SP
1-
00
5-
3 to “
-1
.0
”.
2.
Pr
int
the
s
am
ples
b
y a
dj
us
ting S
P
1-
0
04-
4 f
rom
100% (
-0
.2
% to
-
0.8%)
.
Af
ter
adj
us
tin
g S
P
1-
0
04-
4,
c
hec
k the im
age
qua
lit
y a
ls
o
with
nor
m
al pa
per
in
the
12
00 d
pi
m
ode. Readj
us
t it
s
o th
at th
e im
age qu
al
ity
le
vel
is
ac
cept
ab
le f
or
bot
h
thic
k and nor
m
al
paper
if
nec
es
sa
ry
.