user manual

6-12 Print Quality
HP DesignJet 430, 450C and 455CA Printers
Variation Problem:  & '##$ "* %! % never (% "$ %
(% & ($+ ") #$!& & % ! !&"!
&& & $&$ % #$"'! !"$$& %, !
$"#% % '$ 
Corrective Action: $+ & "")! %&#%
1 # & ! $&$ ! #$!& &
$!&-'&+ "& !
2  & $$"$ "!&!'% &$+ & "")!
D # & $!  ' # -
D # & $$ %% + ' # -
Only replace one component at a time and
check if the problem has gone before
replacing another component. Using this
procedure you will be able to determine
exactly which component failed.
Test Pattern 6:  
% %& #&&$! % "! $ %&$# ! %  !' $ "! &
$!&-'&+ #"& & !  "'! "! & & !-% " & "&$ &%& #&&$!%
Symptoms
!" $ "$ & !% ! $ % $ $ &)" &+#% " !!
D &( !! - % !% && "!%'&( %)&% "($# 
"&$ $&! $ !%
D "%&( !! - % !% && "!%'&( %)&% " !"& &"' &'%
(! %  # &)!  "&$ % &! '%% )& "$
&$ !%
Figure 9