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8. Dip a new HP cleaning swab (2) into the HP 790 cap cleaning liquid (1).
CAUTION Make sure that you use the HP 790 cap cleaning liquid and not the wiper
cleaning liquid to clean the capping unit, otherwise you could cause damage to the
printheads.
9. Clean the top outside edges and the upper surfaces of all six caps (2). Use one side of a swab (1)
per color and then use a new swab for the next color.
10. Close the cap cover and rear cover. The printhead carriage will return to the capping unit position
(home position) automatically.
Prepare for extended power down (two to four weeks)
It is recommended that you always leave the printer switched on so that the automatic printhead washing
procedure operates to ensure the printheads remain serviceable. Nevertheless, if you are obliged to power
off your printer for between two and four weeks because of some external cause (such as vacation or site
maintenance) the special procedure described here will allow you to do so. When you start to use your
printer again you will first have to carry out the process described in
Charge the ink system.
198 Chapter 6 How do I maintain the printer? ENWW
How do I maintain the printer?