�Fl
exog
raph
y�
Pub
Gra
vure
�Pk
gG
ravu
re�
Shee
tfed
Offs
et�
UV
�W
eb O
ffset
�N
ews
Ink
�H
OM
E
Ask
abo
ut:
HO
MEPa
ckag
ing
Gra
vure
Tro
uble
shoo
ting
Gui
de
�B
lock
ing
�C
ell P
lugg
ing
�C
olor
Hue
Shi
ft
�C
olor
Too
Stro
ng
�C
olor
Var
iatio
n
�C
olor
Wea
k
�C
ylin
der W
ear
�D
ryin
g In
�Fo
amin
g
�G
loss
(Too
Hig
h O
r Too
Low
)
�In
adeq
uate
D
ryin
g
�In
k S
ettli
ng
�M
ottli
ng,
Pud
dlin
g,
Vol
cano
es
�P
icki
ng
�P
oor I
nk M
ileag
e
�P
oor P
rinta
bilit
y
�P
oor T
rapp
ing
�P
oor W
ipe
�S
cuffi
ng
�S
cum
min
g
�S
kipp
ing
�S
trike
-Thr
ough
�W
hisk
erin
g
�Fl
exog
raph
y�
Pub
Gra
vure
�Pk
gG
ravu
re�
Shee
tfed
Offs
et�
UV
�W
eb O
ffset
�N
ews
Ink
�H
OM
E
Ask
abo
ut:
HO
MEPa
ckag
ing
Gra
vure
Tro
uble
shoo
ting
Gui
de
Cau
se:
1.P
ress
con
ditio
ns
2.In
k fil
m to
o th
ick
3.Im
prop
er re
sin
sele
ctio
n in
the
ink
form
ula
4.To
o m
uch
slow
sol
vent
bei
ng u
se
to a
djus
t vis
cosi
ty o
f the
ink
Solu
tion:
1.In
crea
se o
ven
tem
pera
ture
s. M
ake
sure
exh
aust
blo
wer
s ar
e at
max
imum
ve
loci
ty; u
se s
pot a
ir in
hea
vily
etc
hed
area
s2.
Red
uce
visc
osity
of i
nk3.
Con
sult
with
ink
man
ufac
ture
r to
refo
rmul
ate
with
bet
ter s
olve
nt re
leas
e or
hig
her m
eltin
g po
int r
esin
4.R
evie
w s
olve
nts
bein
g us
ed fo
r vi
scos
ity a
djus
tmen
ts a
nd g
et
reco
mm
enda
tion
from
ink
supp
lier
Blo
ckin
gSy
mpt
om:T
he p
rint s
ide
and
unpr
inte
d si
de o
f the
prin
ted
mat
eria
ls
stic
k to
geth
er w
hen
they
are
in c
onta
ct in
the
roll.
�Fl
exog
raph
y�
Pub
Gra
vure
�Pk
gG
ravu
re�
Shee
tfed
Offs
et�
UV
�W
eb O
ffset
�N
ews
Ink
�H
OM
E
Ask
abo
ut:
HO
MEPa
ckag
ing
Gra
vure
Tro
uble
shoo
ting
Gui
de
Cau
se:
1.C
ells
plu
gged
with
pap
er, p
aper
co
atin
g an
d in
k
Solu
tion:
1.•C
heck
pap
er c
oatin
g in
tegr
ity a
gain
st
cont
rol p
aper
•Inc
reas
e in
k fo
unta
in te
mpe
ratu
re•M
aint
ain
ink
foun
tain
tem
pera
ture
ab
ove
dew
poi
nt a
t all
times
Cel
l Plu
ggin
gSy
mpt
om:W
eak,
non
-uni
form
dot
s. D
iffer
s fr
om d
ryin
g in
, as
resi
due
in c
ells
doe
s no
t res
olub
ilize
read
ily.
�Fl
exog
raph
y�
Pub
Gra
vure
�Pk
gG
ravu
re�
Shee
tfed
Offs
et�
UV
�W
eb O
ffset
�N
ews
Ink
�H
OM
E
Ask
abo
ut:
HO
MEPa
ckag
ing
Gra
vure
Tro
uble
shoo
ting
Gui
de
Cau
se:
1.Im
prop
er c
ell c
onfig
urat
ions
on
cylin
ders
2.E
lect
ric e
yes
may
be
out o
f al
ignm
ent
3.D
ryer
s m
ay b
e to
o ho
t, ca
usin
g th
e w
eb to
shr
ink
4.P
oor r
egis
ter
5.In
k vi
scos
ity m
ay b
e to
o hi
gh6.
Too
muc
h sl
ip c
ompo
und
in th
e in
k
Solu
tion:
1.C
heck
cel
l con
figur
atio
n; c
onsu
lt cy
linde
r dep
artm
ent
2.A
djus
t the
ele
ctric
eye
s
3.A
djus
t hea
t lev
el in
dry
ers
4.C
onsu
lt cy
linde
r dep
artm
ent
5.Lo
wer
ink
visc
osity
by
addi
ng s
olve
nt6.
Add
less
slip
com
poun
d to
the
ink
or
add
fresh
ink
to fo
unta
in; c
onsu
lt in
k m
anuf
actu
rer
Col
or H
ue S
hift
Sym
ptom
:Mov
emen
t with
in re
gist
er c
ause
s ch
ange
s in
sha
de to
oc
cur.
Pred
omin
antly
see
n in
ligh
t ton
e ar
eas.
�Fl
exog
raph
y�
Pub
Gra
vure
�Pk
gG
ravu
re�
Shee
tfed
Offs
et�
UV
�W
eb O
ffset
�N
ews
Ink
�H
OM
E
Ask
abo
ut:
HO
MEPa
ckag
ing
Gra
vure
Tro
uble
shoo
ting
Gui
de
Cau
se:
1.C
ell v
olum
e to
o gr
eat
2.In
appr
opria
te c
ylin
der e
tch
or
engr
avin
g3.
Non
abso
rben
t sto
ck4.
Ink
visc
osity
too
high
5.In
k pi
gmen
tatio
n to
o st
rong
Solu
tion:
1.La
cque
r in
part
of th
e cy
linde
r to
redu
ce c
ell v
olum
e2.
Con
sult
cylin
der d
epar
tmen
t
3.A
dd s
olve
nt to
redu
ce in
k vi
scos
ity4.
Add
sol
vent
to re
duce
ink
visc
osity
5.A
dd c
lear
ext
ende
r
Col
or T
oo S
tron
gSy
mpt
om:V
isua
l col
or d
iffer
ent f
rom
sta
ndar
d.
�Fl
exog
raph
y�
Pub
Gra
vure
�Pk
gG
ravu
re�
Shee
tfed
Offs
et�
UV
�W
eb O
ffset
�N
ews
Ink
�H
OM
E
Ask
abo
ut:
HO
MEPa
ckag
ing
Gra
vure
Tro
uble
shoo
ting
Gui
de
Cau
se:
1.La
ck o
f vis
cosi
ty c
ontro
l
2.A
utom
atic
inke
r not
adj
uste
d;
solv
ent,
ink
and
varn
ish
flow
ing
in
at ra
ndom
, une
qual
rate
s3.
Inco
nsis
tent
ope
rato
r pro
cedu
res
4.V
aria
tion
in ty
pe a
nd c
ondi
tion
of
equi
pmen
t: cy
linde
rs, i
mpr
essi
on
rolle
rs, d
octo
r bla
des
5.C
hang
es in
pap
er
6.V
aria
tions
in in
k ba
tche
s
Solu
tion:
1.E
stab
lish
one
set o
f pro
cedu
res
for a
ll op
erat
ors;
add
onl
y m
easu
red
amou
nts
of
solv
ent t
o re
duce
ink
to p
rope
r run
ning
vi
scos
ity2.
Che
ck fl
ow ra
tes
and
equa
lize;
cal
ibra
te
flow
rate
s
3.E
stab
lish
one
set o
f pro
cedu
res
4.E
limin
ate
or re
duce
var
iatio
ns in
eq
uipm
ent b
etw
een
pres
ses;
cle
an
cylin
ders
, rol
lers
, doc
tor b
lade
s; c
heck
du
rom
eter
, rea
ding
of i
mpr
essi
on ro
llers
; re
plac
e if
nece
ssar
y; a
djus
t vis
cosi
ty fo
r ea
ch p
rint u
nit
5.A
djus
t ink
vis
cosi
ty to
com
pens
ate
for
chan
ge, i
f pos
sibl
e; c
onsu
lt in
k m
anuf
actu
rer f
or a
dditi
onal
ass
ista
nce
6.In
ks m
ay v
ary
in s
treng
th; c
onsu
lt in
k m
anuf
actu
rer
Col
or V
aria
tion
Sym
ptom
:Inc
onsi
sten
t col
or re
prod
uctio
n.
�Fl
exog
raph
y�
Pub
Gra
vure
�Pk
gG
ravu
re�
Shee
tfed
Offs
et�
UV
�W
eb O
ffset
�N
ews
Ink
�H
OM
E
Ask
abo
ut:
HO
MEPa
ckag
ing
Gra
vure
Tro
uble
shoo
ting
Gui
de
Cau
se:
1.W
orn
cylin
der
2.To
o m
uch
solv
ent a
dded
whe
n in
k w
as re
duce
d to
pre
ss v
isco
sity
3.E
xces
s cl
ean-
up s
olve
nt in
the
syst
em4.
Cyl
inde
r dirt
y —en
crus
ted
with
ink
5.D
octo
r bla
de a
ngle
set
inco
rrect
ly6.
Impr
essi
on ro
ller d
urom
eter
too
high
7.V
ery
abso
rben
t pap
er s
tock
8.In
k pi
gmen
tatio
n w
eak
9.“O
ver e
xten
ded”
, i.e
. too
muc
h ex
tend
er o
n pr
ess
Solu
tion:
1.C
onsu
lt cy
linde
r dep
artm
ent;
re-e
tch
cylin
der t
o in
crea
se c
ell v
olum
e. D
ecre
ase
exte
nder
cut
s; a
dd to
ner i
f nee
ded
2.R
epla
ce in
k or
add
fres
h in
k to
incr
ease
vi
scos
ity3.
Rep
lace
ink
or a
dd fr
esh
ink
to in
crea
se
visc
osity
4.C
lean
cyl
inde
r with
bru
sh a
nd s
olve
nt to
re
mov
e dr
ied
ink
from
cel
ls; u
se b
rass
br
istle
bru
sh fo
r chr
ome
5.Fl
atte
n an
gle
to a
pply
mor
e in
k6.
Con
sult
rolle
r man
ufac
ture
r and
repl
ace
if ne
cess
ary
7.R
un a
hig
her v
isco
sity
, stro
nger
ink
and/
or
less
ext
ende
r in
foun
tain
8.A
dd to
ners
to in
k or
dec
reas
e ex
tend
er c
uts
9.C
heck
aut
o in
k ba
tche
r
Col
or W
eak
Sym
ptom
:Vis
ual c
olor
diff
eren
t fro
m s
tand
ard.
�Fl
exog
raph
y�
Pub
Gra
vure
�Pk
gG
ravu
re�
Shee
tfed
Offs
et�
UV
�W
eb O
ffset
�N
ews
Ink
�H
OM
E
Ask
abo
ut:
HO
MEPa
ckag
ing
Gra
vure
Tro
uble
shoo
ting
Gui
de
Cau
se:
1.B
ad c
hrom
e
2.Fo
reig
n pa
rticl
es lo
dged
beh
ind
the
doct
or b
lade
3.Irr
egul
ar c
ylin
der s
urfa
ce
4.P
artin
g sh
ell
5.D
octo
r bla
de
6.In
k dr
ying
too
fast
7.In
k ab
rasi
vene
ss
8.P
aper
or p
aper
coa
ting
abra
sive
ness
Solu
tion:
1.C
heck
thic
knes
s, p
latin
g, h
ardn
ess,
sm
ooth
ness
and
duc
tility
of c
hrom
e pl
atin
g 2.
Filte
r ink
with
at l
east
a 2
5-m
icro
n fil
terin
g de
vice
and
/or r
emov
e in
k, a
ddin
g fre
sh in
k3.
Pol
ish
surfa
ce; r
e-cu
t and
re-c
hrom
e cy
linde
r; co
nsul
t cyl
inde
r dep
artm
ent
4.H
ave
a ne
w c
ylin
der m
ade;
con
sult
cylin
der
depa
rtmen
t5.
Che
ck d
octo
r bla
de p
ress
ure;
che
ck b
lade
an
d an
gle
for a
ny u
nusu
al w
ear
6.R
educ
e dr
ying
rate
of i
nk (S
ee "D
ryin
g in
")7.
Hav
e su
pplie
r re-
chec
k al
l raw
mat
eria
ls in
fo
rmul
a fo
r abr
asiv
enes
s8.
Che
ck fo
r con
tam
inat
ion
in fo
unta
in (p
aper
co
atin
g, s
ludg
e, e
tc.);
con
sult
with
pap
er
supp
lier a
bout
cha
ngin
g pa
per
Cyl
inde
r Wea
rSy
mpt
om:A
bras
ive
dam
age
to th
e ch
rom
e su
rfac
e of
the
cylin
der.
�Fl
exog
raph
y�
Pub
Gra
vure
�Pk
gG
ravu
re�
Shee
tfed
Offs
et�
UV
�W
eb O
ffset
�N
ews
Ink
�H
OM
E
Ask
abo
ut:
HO
MEPa
ckag
ing
Gra
vure
Tro
uble
shoo
ting
Gui
de
Cau
se:
1.P
ress
con
ditio
ns
2.In
k dr
ying
too
fast
Solu
tion:
1.
•Che
ck a
ir ve
loci
ty a
nd o
ven
tem
pera
ture
•Che
ck a
ngle
of d
octo
r bla
de•R
emov
e an
y sp
ot a
ir sy
stem
that
may
be
con
nect
ed a
nd c
ausi
ng d
ryin
g-in
•C
ool f
ount
ains
•I
ncre
ase
pres
s sp
eed
•Wip
e or
scr
ub c
ylin
der
2.
•Add
slo
w d
ryin
g so
lven
t•V
ehic
le s
yste
m c
an b
e ch
ange
d•D
ecre
ase
visc
osity
•Adv
ise
ink
supp
lier o
f thi
s co
nditi
on•U
se s
olve
nt w
ith m
ore
solu
bilit
y
Dry
ing
InSy
mpt
om:S
ympt
om: I
nk is
dry
ing
in th
e cy
linde
r cel
ls.
�Fl
exog
raph
y�
Pub
Gra
vure
�Pk
gG
ravu
re�
Shee
tfed
Offs
et�
UV
�W
eb O
ffset
�N
ews
Ink
�H
OM
E
Ask
abo
ut:
HO
MEPa
ckag
ing
Gra
vure
Tro
uble
shoo
ting
Gui
de
Cau
se:
1.In
k fa
lls e
xces
sive
dis
tanc
e w
hen
recy
cled
into
con
tain
er2.
Too
muc
h ai
r is
intro
duce
d in
to th
e in
k
3.A
ir is
not
allo
wed
to e
scap
e4.
Too
muc
h so
lven
t add
ed w
hen
ink
was
redu
ced
to p
ress
vis
cosi
ty5.
Impr
oper
ly fo
rmul
ated
ink
Solu
tion:
1.E
limin
ate
long
fall
by u
sing
hos
e or
pi
pe to
intro
duce
ink
into
pan
2.C
heck
for a
nd re
pair
leak
y pu
mp;
ad
just
pum
p sp
eed
to re
duce
agi
tatio
n.
Mai
ntai
n in
k le
vel w
ell a
bove
pum
p in
take
3.A
dd s
olve
nt to
ink
to lo
wer
vis
cosi
ty4.
Add
fres
h in
k to
incr
ease
vis
cosi
ty
5.A
dd d
efoa
mer
com
poun
d to
ink;
co
nsul
t ink
man
ufac
ture
r
Foam
ing
Sym
ptom
:Fro
thin
g of
the
ink.
�Fl
exog
raph
y�
Pub
Gra
vure
�Pk
gG
ravu
re�
Shee
tfed
Offs
et�
UV
�W
eb O
ffset
�N
ews
Ink
�H
OM
E
Ask
abo
ut:
HO
MEPa
ckag
ing
Gra
vure
Tro
uble
shoo
ting
Gui
de
Cau
se:
1.To
o hi
gh g
loss
2.To
o lo
w g
loss
Solu
tion:
1.
•Red
uce
visc
osity
by
addi
ng s
olve
nt•U
se a
pig
men
ted
exte
nder
2.
•Add
glo
ss e
xten
der,
such
as
liqui
d re
sin
or e
xten
der v
arni
sh•I
ncre
ase
visc
osity
by
low
erin
g th
e am
ount
of s
olve
nt a
dded
to th
e vi
rgin
in
k•C
hang
e re
duci
ng s
olve
nt to
low
er
dilu
tion
ratio
•Cal
l ink
man
ufac
ture
r
Glo
ss (T
oo H
igh
or T
oo L
ow)
Sym
ptom
:Im
prop
er re
flect
ive
prop
ertie
s of
the
prin
ted
ink.
�Fl
exog
raph
y�
Pub
Gra
vure
�Pk
gG
ravu
re�
Shee
tfed
Offs
et�
UV
�W
eb O
ffset
�N
ews
Ink
�H
OM
E
Ask
abo
ut:
HO
MEPa
ckag
ing
Gra
vure
Tro
uble
shoo
ting
Gui
de
Cau
se:
1.D
ryer
tem
pera
ture
too
low
for
spee
d of
web
2.In
k fil
m d
oes
not d
ry a
t cor
rect
rate
3.R
educ
ing
solv
ent u
sed
has
too
slow
dry
ing
rate
4.P
oor s
olve
nt re
leas
e pr
oper
ties
of
ink
Solu
tion:
1.In
crea
se d
ryer
tem
pera
ture
to
spec
ifica
tion
leve
l; re
duce
web
spe
ed2.
Adj
ust p
ress
spe
ed a
nd/o
r ink
vis
cosi
ty;
cons
ult w
ith in
k m
anuf
actu
rer
3.U
se fa
ster
dry
ing
solv
ent s
uch
as fa
st
dryi
ng a
ceta
tes;
avo
id b
uild
-up
of s
low
dr
ying
sol
vent
4.C
onsu
lt w
ith in
k m
anuf
actu
rer t
o re
form
ulat
e in
alte
rnat
e ve
hicl
e
Inad
equa
te D
ryin
gSy
mpt
om:I
nk fi
lm re
mai
ns w
et o
r tac
ky to
the
touc
h.
�Fl
exog
raph
y�
Pub
Gra
vure
�Pk
gG
ravu
re�
Shee
tfed
Offs
et�
UV
�W
eb O
ffset
�N
ews
Ink
�H
OM
E
Ask
abo
ut:
HO
MEPa
ckag
ing
Gra
vure
Tro
uble
shoo
ting
Gui
de
Cau
se:
1.P
ump
velo
city
in s
ump
too
low
2.B
uild
-up
in in
k fo
unta
in
3.P
revi
ousl
y us
ed in
k w
hich
has
low
vi
scos
ity4.
Old
ink
5.Im
prop
er in
k fo
rmul
atio
n
Solu
tion:
1.•C
heck
pap
er; r
epla
ce if
nec
essa
ry
•Adj
ust v
isco
sity
2.In
crea
se c
ircul
atio
n by
add
ing
drai
ns o
r ad
ditio
nal p
ipin
g3.
Mix
with
fres
h in
k an
d us
e
4.R
otat
e in
vent
ory
5.C
onsu
lt in
k m
anuf
actu
rer
Ink
Settl
ing
Sym
ptom
:Sep
arat
ion
of p
igm
ents
.
�Fl
exog
raph
y�
Pub
Gra
vure
�Pk
gG
ravu
re�
Shee
tfed
Offs
et�
UV
�W
eb O
ffset
�N
ews
Ink
�H
OM
E
Ask
abo
ut:
HO
MEPa
ckag
ing
Gra
vure
Tro
uble
shoo
ting
Gui
de
Cau
se:
1.N
on-u
nifo
rm p
aper
sur
face
2.P
atte
rn in
cyl
inde
r due
to la
rge
cells
3.Im
prop
er p
ress
ure
setti
ngs
on
impr
essi
on ro
ller
4.In
k fil
m to
o th
in
5.In
k im
prop
erly
form
ulat
ed
Solu
tion:
1.A
djus
t vis
cosi
ty2.
Con
sult
with
cyl
inde
r dep
artm
ent
3.A
djus
t im
pres
sion
rolle
r
4.R
epla
ce in
k or
add
fres
h in
k to
in
crea
se v
isco
sity
(See
"Col
or W
eak"
)5.
Con
sult
ink
man
ufac
ture
r
Mot
tling
, Pud
dlin
g, V
olca
noes
Sy
mpt
om:R
ando
m li
ght a
nd d
ark
area
s th
at g
ive
the
prin
ted
area
an
une
ven
appe
aran
ce.
�Fl
exog
raph
y�
Pub
Gra
vure
�Pk
gG
ravu
re�
Shee
tfed
Offs
et�
UV
�W
eb O
ffset
�N
ews
Ink
�H
OM
E
Ask
abo
ut:
HO
MEPa
ckag
ing
Gra
vure
Tro
uble
shoo
ting
Gui
de
Cau
se:
1.P
ress
con
ditio
ns
2.In
k pr
oper
ties
3.P
aper
pro
perti
es
Solu
tion:
1.•M
ake
sure
ink
foun
tain
tem
pera
ture
is
abov
e de
w p
oint
•Red
uce
pres
s sp
eed
•Red
uce
impr
essi
on ro
ller p
ress
ure
•Mak
e su
re e
xhau
st b
low
ers
are
at
max
imum
vel
ocity
•Use
spo
t air
in h
eavi
ly e
tche
d ar
eas
2.•A
djus
t ink
vis
cosi
ties
•Add
a fa
ster
dry
ing
solv
ent
•Cha
nge
ink
syst
em fo
r bet
ter s
olve
nt
rele
ase
3.•C
heck
sur
face
stre
ngth
of s
tock
•Con
sult
with
pap
er s
uppl
ier
Pick
ing
Sym
ptom
:Rem
oval
of p
art o
f pap
er s
urfa
ce o
r und
erly
ing
ink
film
.
�Fl
exog
raph
y�
Pub
Gra
vure
�Pk
gG
ravu
re�
Shee
tfed
Offs
et�
UV
�W
eb O
ffset
�N
ews
Ink
�H
OM
E
Ask
abo
ut:
HO
MEPa
ckag
ing
Gra
vure
Tro
uble
shoo
ting
Gui
de
Cau
se:
1.E
xces
sive
was
te o
n st
art-u
p2.
Pap
er s
tock
too
abso
rben
t
3.Im
prop
er in
k an
d so
lven
t ble
nd
4.In
k pe
netra
ting
into
sto
ck to
o fa
st
5.D
iffer
ent s
peci
fic g
ravi
ties
of in
ks
Solu
tion:
1.Im
prov
e st
art-u
p pr
oced
ure
2.If
poss
ible
, cha
nge
to a
less
abs
orbe
nt
pape
r (S
ee "S
trike
Thr
ough
")3.
Adj
ust t
o pr
oper
ink
and
solv
ent r
atio
to
obta
in p
resc
ribed
vis
cosi
ty4.
Con
sult
with
ink
man
ufac
ture
r to
refo
rmul
ate
ink
with
mor
e ho
ldou
t 5.
Con
sult
your
ink
man
ufac
ture
r for
sp
ecifi
c gr
avity
val
ues
of in
ks
Poor
Ink
Mile
age
Sym
ptom
:Exc
essi
ve in
k us
ed p
er to
n of
pap
er s
tock
.
�Fl
exog
raph
y�
Pub
Gra
vure
�Pk
gG
ravu
re�
Shee
tfed
Offs
et�
UV
�W
eb O
ffset
�N
ews
Ink
�H
OM
E
Ask
abo
ut:
HO
MEPa
ckag
ing
Gra
vure
Tro
uble
shoo
ting
Gui
de
Cau
se:
1.P
ress
con
ditio
ns
2.P
aper
pro
perti
es
3.In
k pr
oper
ties
Solu
tion:
1.•C
heck
pre
ss s
peed
•Che
ck o
ven
tem
pera
ture
•Che
ck e
xhau
st fa
ns a
nd s
pot a
ir•C
heck
ES
A ro
llers
•Che
ck d
octo
r bla
de a
nd c
ylin
der f
or
wea
r•C
heck
impr
essi
on ro
ller p
ress
ure
2.•C
heck
for f
law
s in
pap
er c
oatin
g•C
heck
for h
oles
, slu
gs, o
r wrin
kles
•Che
ck p
aper
sur
face
cha
ract
eris
tics
3.•C
hang
e so
lven
cy•R
educ
e in
k vi
scos
ity w
ith n
orm
al
thin
ner
•Red
uce
ink
with
hig
her b
oilin
g so
lven
t or
ble
nd
Poor
Prin
tabi
lity
Sym
ptom
:Lac
k of
prin
t qua
lity
due
to v
ario
us fa
ctor
s in
the
prin
ting
proc
ess.
�Fl
exog
raph
y�
Pub
Gra
vure
�Pk
gG
ravu
re�
Shee
tfed
Offs
et�
UV
�W
eb O
ffset
�N
ews
Ink
�H
OM
E
Ask
abo
ut:
HO
MEPa
ckag
ing
Gra
vure
Tro
uble
shoo
ting
Gui
de
Cau
se:
1.In
k vi
scos
ity to
o hi
gh2.
Bas
e in
k st
ill w
et
3.U
nder
lyin
g fil
m b
eing
reso
ftene
ddu
e to
hig
h ac
etat
e co
nten
t of
dilu
ting
solv
ent
4.U
nder
lyin
g in
k co
ntai
ns e
xces
sive
w
ax c
ompo
und
5.S
ilico
nes
or s
lip c
ompo
unds
in
unde
rlyin
g in
k.
Solu
tion:
1.•R
educ
e in
k vi
scos
ity2.
•Adj
ust a
ir ve
loci
ty o
f dry
ing
cond
ition
ar
ound
imag
es•R
emov
e ex
tra s
olve
nts
•Inc
reas
e ov
en te
mpe
ratu
re a
nd a
ir ve
loci
ty•I
ncre
ase
ink
dryi
ng s
peed
with
fast
-dr
ying
sol
vent
3.•B
lend
in a
lcoh
ol to
redu
ce a
ceta
te
cont
ent o
f ink
bei
ng tr
appe
d
4.•A
dd p
igm
ente
d ex
tend
er
•Red
uce
wax
com
poun
d •A
dd fr
esh
ink
5.H
ave
ink
supp
lier r
emov
e si
licon
e fro
m
ink
Poor
Tra
ppin
gSy
mpt
om:S
ucce
edin
g la
yers
of i
nk d
o no
t lay
dow
n pr
oper
ly.
�Fl
exog
raph
y�
Pub
Gra
vure
�Pk
gG
ravu
re�
Shee
tfed
Offs
et�
UV
�W
eb O
ffset
�N
ews
Ink
�H
OM
E
Ask
abo
ut:
HO
MEPa
ckag
ing
Gra
vure
Tro
uble
shoo
ting
Gui
de
Cau
se:
1.P
ress
con
ditio
ns
2.In
k pr
oper
ties
Solu
tion:
1.•C
heck
doc
tor b
lade
for n
icks
, fla
ws
or e
xces
sive
w
ear;
reho
neor
repl
ace
if ne
cess
ary
•Che
ck a
ngle
of d
octo
r bla
de; a
djus
t if n
eces
sary
•Rem
ove
dirt
or fo
reig
n m
atte
r fro
m u
nder
doc
tor
blad
e•C
heck
railr
oads
due
to s
crat
ches
in c
ylin
der
•Inc
reas
e dr
ying
rate
of i
nk; b
low
air
betw
een
nip
and
blad
e•I
f scu
m o
ccur
s, p
olis
h cy
linde
r and
spe
ed u
p dr
ying
ra
te2.
•Ink
too
high
ly p
igm
ente
d: a
dd c
lear
ext
ende
r va
rnis
h•I
nk d
ryin
g to
o fa
st o
r slo
w: s
low
dow
n or
spe
ed u
p as
requ
ired
with
the
solv
ents
reco
mm
ende
d by
you
r in
k su
pplie
r•I
nk v
isco
sity
too
high
or l
ow: a
djus
t to
pres
crib
ed
visc
osity
Poor
Wip
eSy
mpt
om:I
nk is
not
bei
ng re
mov
ed fr
om n
on-e
tche
d ar
eas
of th
e cy
linde
r.
�Fl
exog
raph
y�
Pub
Gra
vure
�Pk
gG
ravu
re�
Shee
tfed
Offs
et�
UV
�W
eb O
ffset
�N
ews
Ink
�H
OM
E
Ask
abo
ut:
HO
MEPa
ckag
ing
Gra
vure
Tro
uble
shoo
ting
Gui
de
Cau
se:
1.P
ress
con
ditio
ns
2.In
k pr
oper
ties
3.P
aper
pro
perti
es
Solu
tion:
1.•I
ncre
ase
oven
tem
pera
ture
or C
FM•A
djus
t fol
der t
o im
prov
e sl
ip2.
•Add
har
dene
rs o
r wax
com
poun
ds to
in
k•C
heck
ink
visc
osity
; if l
ow, a
djus
t up
war
ds•C
hang
e in
k sy
stem
's s
olve
nt re
leas
e to
upg
rade
ink
film
inte
grity
•Not
ify in
k su
pplie
r3.
Che
ck a
bras
ion
of c
urre
nt s
tock
ver
sus
stan
dard
; con
sult
pape
r sup
plie
r
Scuf
fing
Sym
ptom
:Scr
atch
es in
prin
ted
ink
film
due
to p
oor r
ub re
sist
ance
w
hen
abra
ded.
�Fl
exog
raph
y�
Pub
Gra
vure
�Pk
gG
ravu
re�
Shee
tfed
Offs
et�
UV
�W
eb O
ffset
�N
ews
Ink
�H
OM
E
Ask
abo
ut:
HO
MEPa
ckag
ing
Gra
vure
Tro
uble
shoo
ting
Gui
de
Cau
se:
1.D
octo
r bla
de v
aria
bles
2.In
k vi
scos
ity to
o hi
gh3.
Ink
dryi
ng ra
te to
o sl
ow o
n pa
per
4.In
k dr
ying
too
slow
ly o
n cy
linde
r
5.C
ylin
der s
urfa
ce to
o sm
ooth
6.In
k fo
rmul
atio
n ou
t of b
alan
ce
Solu
tion:
1.Im
prov
e bl
ade
edge
fini
sh; s
harp
en b
lade
co
ntac
t ang
le; d
ecre
ase
blad
e th
ickn
ess;
in
crea
se b
lade
pre
ssur
e; e
nsur
e bl
ade
is
para
llel a
long
leng
th o
f cyl
inde
r2.
Red
uce
ink
with
the
reco
mm
ende
d so
lven
t3.
Incr
ease
dry
ing
rate
with
fast
er d
ryin
g so
lven
t4.
Intro
duce
loca
l air
dryi
ng; a
djus
t poi
nt o
f w
ipe
furth
er a
way
from
poi
nt o
f im
pres
sion
to
allo
w in
k fil
m to
dry
bef
ore
trans
ferri
ng to
w
eb5.
Sen
d cy
linde
r to
cylin
der d
epar
tmen
t for
re-
chro
min
g an
d po
lishi
ng6.
Con
sult
with
ink
man
ufac
ture
r
Scum
min
gSy
mpt
om:I
nk d
epos
its o
n th
e no
n-et
ched
are
as o
f the
gra
vure
cy
linde
r.
�Fl
exog
raph
y�
Pub
Gra
vure
�Pk
gG
ravu
re�
Shee
tfed
Offs
et�
UV
�W
eb O
ffset
�N
ews
Ink
�H
OM
E
Ask
abo
ut:
HO
MEPa
ckag
ing
Gra
vure
Tro
uble
shoo
ting
Gui
de
Cau
se:
1.R
ough
pap
er
2.C
ylin
der c
ondi
tions
3.In
k vi
scos
ity to
o hi
gh
4.D
ryin
g ra
te to
o fa
st (d
ryin
g in
ce
lls)
5.Im
prop
erly
form
ulat
ed in
k
Solu
tion:
1.•I
ncre
ase
impr
essi
on ro
ller p
ress
ure;
ch
ange
to h
arde
r dur
omet
erro
ller
•Mak
e su
re E
SA
is o
n an
d at
the
prop
er p
olar
ity s
ettin
g•C
hang
e E
SA
rolle
r•C
hang
e pa
per
2.•C
heck
scr
een
angl
e•C
heck
chr
ome
•Che
ck c
ell c
onfig
urat
ion
3.C
heck
vis
cosi
ty; r
educ
e to
cor
rect
leve
l by
add
ing
mea
sure
d am
ount
of s
olve
nt4.
Incr
ease
pre
ss s
peed
to re
duce
fo
unta
in te
mpe
ratu
re; c
onsu
lt w
ith in
k m
anuf
actu
rer t
o re
form
ulat
e us
ing
solv
ents
with
low
er e
vapo
ratio
n ra
tes
5.C
onsu
lt in
k m
anuf
actu
rer
Skip
ping
Sym
ptom
:Cel
ls fa
il to
prin
t out
, cau
sing
spe
ckle
s in
prin
ted
mat
eria
ls.
�Fl
exog
raph
y�
Pub
Gra
vure
�Pk
gG
ravu
re�
Shee
tfed
Offs
et�
UV
�W
eb O
ffset
�N
ews
Ink
�H
OM
E
Ask
abo
ut:
HO
MEPa
ckag
ing
Gra
vure
Tro
uble
shoo
ting
Gui
de
Cau
se:
1.C
ylin
der e
tch
too
deep
2.P
aper
too
abso
rben
t
3.C
hang
e in
bas
is w
eigh
t of p
aper
4.In
suffi
cien
t ink
hol
dout
Solu
tion:
1.•L
acqu
er c
ylin
der
•Add
pig
men
ted
exte
nder
•Inc
reas
e in
k vi
scos
ity•I
ncre
ase
oven
tem
pera
ture
and
air
velo
city
2.If
poss
ible
, cha
nge
to a
less
abs
orbe
nt
pape
r or i
ncre
ase
ink
visc
osity
3.R
ever
t to
orig
inal
bas
is w
eigh
t4.
Con
sult
with
ink
man
ufac
ture
r to
refo
rmul
ate
ink
for m
ore
hold
out
Strik
e-th
roug
hSy
mpt
om:E
xces
sive
ink
abso
rbin
g in
to p
aper
sto
ck a
nd a
ppea
ring
on re
vers
e si
de.
�Fl
exog
raph
y�
Pub
Gra
vure
�Pk
gG
ravu
re�
Shee
tfed
Offs
et�
UV
�W
eb O
ffset
�N
ews
Ink
�H
OM
E
Ask
abo
ut:
HO
MEPa
ckag
ing
Gra
vure
Tro
uble
shoo
ting
Gui
de
Cau
se:
1.P
aper
pro
perti
es
2.P
ress
con
ditio
ns
3.In
k pr
oper
ties
Solu
tion:
1.R
emov
e st
atic
from
web
with
tins
el,
hum
idity
or o
ther
sta
tic e
limin
ator
s2.
•Cha
nge
cond
uctiv
ity o
f im
pres
sion
ro
ller
•Dec
reas
e cy
linde
r cel
l vol
ume
•Dec
reas
e do
ctor
bla
de p
ress
ure
•Rev
erse
pol
arity
of E
SA
uni
t•R
educ
e pr
ess
spee
ds•E
xten
d ov
en h
ood
clos
e to
nip
3.•I
ncre
ase
ink
visc
osity
•Ste
am w
eb b
efor
e an
d af
ter p
robl
em
unit
Whi
sker
ing
Sym
ptom
:Hai
ry e
dges
of p
rinte
d ar
eas.
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