HP Deskjet 6940 User Guide - Macintosh - Page 80

Maintain print cartridges - ink lights

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Chapter 10 Prepare to clean 1. Open the printer cover. 2. Wait until the print cartridge cradle moves to the right side of the printer and is idle and quiet. 3. Remove the print cartridges and place them on a piece of paper, with the copper strips facing up. 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 print cartridge copper contacts with the cotton swab. Caution Do not touch the print cartridge ink nozzles. Touching the ink nozzles will result in clogs, ink failure, and bad electrical connections. 1 Ink nozzles (do not touch) 2 Copper contacts 3. Repeat this process until no ink residue or dust appears on the swab. 4. Insert the print cartridges in the printer, and then close the printer cover. Maintain print cartridges The following tips will help maintain HP print cartridges and ensure consistent print quality: ● Keep all print cartridges in their sealed packages until they are needed. Print cartridges should be stored at room temperatures (15° to 35° C or 59° to 95° F). ● Do not remove the plastic tape covering the ink nozzles until you are ready to install the print cartridge in the printer. If the plastic tape has been removed from the print cartridge, do not attempt to reattach it. Reattaching the tape damages the print cartridge. Follow these instructions to store print cartridges. Store print cartridges When print cartridges are removed from the printer, store them in an airtight plastic container or in the print cartridge protector that comes with the photo print cartridge. 78 HP Deskjet 6940 series

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Prepare to clean
1.
Open the printer cover.
2.
Wait until the print cartridge cradle moves to the right side of the printer and is idle
and quiet.
3.
Remove the print cartridges and place them on a piece of paper, with the copper
strips facing up.
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 print cartridge copper contacts with the cotton swab.
Caution
Do not touch the print cartridge ink nozzles. Touching the ink
nozzles will result in clogs, ink failure, and bad electrical connections.
1
Ink nozzles (do not touch)
2
Copper contacts
3.
Repeat this process until no ink residue or dust appears on the swab.
4.
Insert the print cartridges
in the printer, and then close the printer cover.
Maintain print cartridges
The following tips will help maintain HP print cartridges and ensure consistent print
quality:
●
Keep all print cartridges in their sealed packages until they are needed. Print
cartridges should be stored at room temperatures (15° to 35° C or 59° to 95° F).
●
Do not remove the plastic tape covering the ink nozzles until you are ready to install
the print cartridge in the printer. If the plastic tape has been removed from the print
cartridge, do not attempt to reattach it. Reattaching the tape damages the print
cartridge.
Follow these instructions to
store print cartridges
.
Store print cartridges
When print cartridges are removed from the printer, store them in an airtight plastic
container or in the print cartridge protector that comes with the photo print cartridge.
Chapter 10
78
HP Deskjet 6940 series