HP Deskjet 642c Printer - Manual (Page 61)

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3 Clean the print cartridge cradle
a. Position yourself at eye level with the printer.
b. Locate the cradle that holds the print cartridges, then
locate the three black, hook-shaped arms on the bottom
of the cradle.
c. Using clean, moistened swabs, wipe the flat surfaces
(shaded area) on the undersides of each arm from back to
front. Repeat until no ink residue is seen on a clean swab.
4 Clean the service station
a. Using a clean, moistened swab, clean the rim of the
sponge holder.
b. Remove any built-up ink and fibers from the top of the
sponge. If the sponge is higher than the rim, use the
cotton swab to push it below the rim.
c. Using a clean, moistened swab, clean wiper 1 and the top
surface of cap 1.
Use light force when cleaning the print cartridge
caps. Heavy force might unseat the caps,
eventually causing damage to the print cartridges.
d. Using a clean, moistened swab, clean wiper 2 and the top
surface of cap 2.
Caution
Cap 2
Wiper 2
Cap 1
Wiper 1
Sponge
Rim