HP Deskjet 840/842/843c HP DeskJet 840C Series - (English) Windows Connect Use - Page 65

squeeze, edges, DO NOT, flat surfaces, b. Locate the cradle that holds the print cartridges, then

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2 Clean the print cartridges a. Dip a clean cotton swab into distilled water and squeeze any excess water from the swab. b. Grasp the black print cartridge by the colored cap. c. Clean the face and edges of the print cartridge as shown. DO NOT wipe the nozzle plate. 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. DO NOT clean nozzle plate. Clean here. d. Hold the print cartridge up to the light to inspect for fibers on the face and edges. If fibers are still present, repeat steps 2a through 2c. e. Repeat steps 2a through 2d with the tri-color print cartridge using a clean, moistened cotton swab to avoid any contamination. 65

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65
2
Clean the print cartridges
a. Dip a clean cotton swab into distilled water and
squeeze
any excess water from the swab.
b. Grasp the black print cartridge by the colored cap.
c. Clean the
face
and
edges
of the print cartridge as shown.
DO NOT
wipe the nozzle plate.
d. Hold the print cartridge up to the light to inspect for fibers
on the face and edges. If fibers are still present, repeat
steps 2a through 2c.
e. Repeat steps 2a through 2d with the tri-color print
cartridge using a clean, moistened cotton swab to avoid
any contamination.
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.
DO NOT clean
nozzle plate.
Clean here.