HP Deskjet 3420 Color Inkjet Printer - Manual (Page 50)

maintaining the printer body
printer case exterior
Follow these guidelines when cleaning the outside of the printer:
●
Use distilled water only. Do not use household cleaners or detergents.
●
Use a soft, damp cloth to remove dust, smudges, stains, and spilled ink from
the exterior of the printer case.
printer interior
Caution! Do not clean the printer’s interior. Keep all liquids out of the interior.
print cradle rod
Do not lubricate the rod on which the print cradle moves. It is normal to hear noise
when the printer is new.
handling and storage
Handle and store the printer in an upright, level position for maximum performance
and reliability.
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