HP Designjet 9000s Printer series - Manual (Page 83)

6. When the following message is displayed, open the rear cover and capping unit cover.
1. Rear cover
2. Capping unit cover
7. Dip a new HP cleaning swab into the HP cap cleaning liquid.
1. HP cleaning swab
2. HP cap cleaning liquid
CAUTION Make sure that you use the cap cleaning liquid and not the wiper cleaning
liquid to clean the capping unit, otherwise you could cause damage to the printheads.
ENWW Daily printhead maintenance 73
How
do I maint
ain
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e
print
er?