HP Photosmart C4270 All-in-One Printer - Manual (Page 137)

covering the ink nozzles, carefully remove the tape from the print cartridges. Do not
touch the ink nozzles or the copper-colored contacts.
1 Copper-colored contacts
2 Plastic tape with pink pull tab (must be removed before installing)
3 Ink nozzles under tape
Reinsert the print cartridges and verify that they are fully inserted and locked in place.
Cause: The contacts on the print cartridge are not touching the contacts in the print
carriage.
Solution: Remove and then reinsert the print cartridges. Verify that they are fully
inserted and locked in place.
Cause: The print cartridge or sensor is defective.
Solution: To find support and warranty information, go to the HP Web site at
www.hp.com/support . If prompted, choose your country/region, and then click
Contact HP for information on calling for technical support.
Cause: You installed new print cartridges which might need alignment.
Solution: You must align the print cartridges to ensure excellent print quality.
If the alignment error persists and you cannot clear it, your print cartridge might be
defective. Contact HP for support.
Chapter 13
134 Troubleshooting
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