My Canon IP2770 still blinks 13 times orange even with new ink cartridges. What's wrong?

If new ink cartridges are installed and the IP2770 still blinks 13 times, consider these possibilities: 1. **Incorrect Installation:** Double-check that both cartridges are firmly seated and clicked into place. 2. **Faulty New Cartridge:** Although rare, a brand new cartridge can sometimes be defective or have a faulty chip, preventing proper recognition. If possible, try another new cartridge. 3. **Protective Tape Not Removed:** Ensure all orange protective tapes or plastic covers from the new cartridges have been completely removed. 4. **Dirty Contacts:** Clean the electrical contacts on both the new cartridges and inside the printer carriage. 5. **Printer Hardware Issue:** In rare cases, the printer's internal sensors or mainboard might be faulty, preventing proper cartridge detection even with good cartridges.