HP Deskjet 3918 User's Guide - (Macintosh OS X) - Page 40

Cleaning instructions, Repeat steps 1 and 2 if fibers are still present.

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Chapter 9 Caution Do not leave the print cartridges outside the printer for more than 30 minutes. Cleaning instructions 1. Lightly moisten a cotton swab with distilled water and squeeze any excess water from the swab. 2. Wipe the face and edges of the first print cartridge with the cotton swab. Caution Do not wipe the nozzle plate. Touching the ink nozzles will result in clogs, ink failure, and bad electrical connections. 1 Nozzle plate 2 Face and edges of print cartridge 3. Inspect the face and edges of the print cartridge for fibers. Repeat steps 1 and 2 if fibers are still present. 4. Repeat steps 1 through 3 for the second cartridge. 5. Wipe the underside of the print cartridge cradle walls with clean, moistened cotton swabs. Repeat this process until no ink residue or dust appears on a clean swab. 38 HP Deskjet 3900 series

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Caution
Do not leave the print cartridges outside the printer for more
than 30 minutes.
Cleaning instructions
1.
Lightly moisten a cotton swab with distilled water and squeeze any excess water
from the swab.
2.
Wipe the face and edges of the first print cartridge with the cotton swab.
Caution
Do not wipe the nozzle plate. Touching the ink nozzles will
result in clogs, ink failure, and bad electrical connections.
1
Nozzle plate
2
Face and edges of print cartridge
3.
Inspect the face and edges of the print cartridge for fibers.
Repeat steps 1 and 2 if fibers are still present.
4.
Repeat steps 1 through 3 for the second cartridge.
5.
Wipe the underside of the print cartridge cradle walls with clean, moistened
cotton swabs.
Repeat this process until no ink residue or dust appears on a clean swab.
Chapter 9
38
HP Deskjet 3900 series