回答“printing alignment on my WF-7610 is not correct”Please let us know how the printer is configured, whether it is wireless or wired? There are a chances that, the printer driver might have some issue. So, try re installing the printer driver completely from the computer. You can try downloading the printer driver from the manufacturer website and check out. You can find the step by step procedure to reinstall the printer driver in the computer. Click here for Wired printer installation. Click here for Wireless Printer installation. Let me know if the information provided is helpful.
回答“no sound without headphones”You can refer this to fix no sound after using headphones issue.