A. 1. Check if there are any additional updates available for the printer firmware and install them. 2. Clean the printer's print head and ensure that the ink cartridges are properly installed and not low on ink.

B. 1. Experiment with different photo resolutions and settings in the app before printing to see if that improves quality. 2. If the issue persists, consider reverting to an earlier version of the firmware if possible, following the manufacturer's instructions.