HP 7310 User Guide - Page 174
Solution, Cause, Contact HP
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Solution If you have colored paper loaded in the input tray when you align the print cartridges, the alignment fails. Load unused plain white letter or A4 paper into the input tray, and then try the alignment again. If the alignment fails again, you might have a defective sensor or print cartridge. Contact HP Support. Go to www.hp.com/support. If prompted, choose your country/region, and then click Contact HP for information on calling for technical support. Cause Protective tape is covering the print cartridges. Solution Check each print cartridge. If the plastic tape is still covering the ink nozzles, gently remove the plastic tape by using the pink pull tab. Do not touch the ink nozzles or the copper-colored contacts. Troubleshooting information 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. User Guide 171
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