HP DesignJet Series Service Manual
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3- 8
Syste
m
Maintenance Utility
HP Designjet Entry- level Printers Service M anual
Cle a n Print h e a ds
Cle a n p rint he a ds helps
m
aintain proper operation of all noz zles in the
printhea ds. This is only reco
mm
ended if you are experiencing proble
m
s with
print quality such as banding.
Three levels of cleaning are available: soft,
m
ediu
m
and hard. As a first step, the
soft cleaning should be used. If you still experience the sa
m
e i
m
age proble
m
s,
then select
m
ediu
m
. H ard cle aning should only be used as a l ast resort.
Do not po w er off the p rinter durin g this o per a tion. The p rinter
displ a y w ill in dica te b usy until t h e o p er a tion is finish e d.
Before cleaning the print heads, first check the
m
axi
m
u
m
recovery level
already perfor
m
ed on the printhea ds. If hard level
(
R
ecovery
L
evel 3
)
has
already been perfor
m
ed, then do not try perfor
m
ing hard level a gain. The
M axi
m
u
m
R
ecovery
L
evel can be seen on the Printer Infor
m
ation p age in the
"Printhe ad History " section.
Step 1 - Select " clean printhea ds "
Step 3 - Press " clean printhea ds "
M axi
m
u
m
R
ecovery
L
evel
already perfor
m
ed
Step 2 - Select the recovery
level to be perfor
m
ed