Hi, I'm Sudipto. Welcome to JustAnswer. I'm reviewing your question now, and will post back with your reply ASAP
Please follow the steps below to connect the printer with the hotspot and let me know, how it goes for you.
On the printer control panel, touch the Wireless icon (), and then touch the Settings icon ().
Swipe the display to scroll to Restore Network Defaults, and then touch Restore Network Defaults. A message displays asking if you are sure you want to restore printer defaults.
Touch Yes. A message displays stating that the printer defaults have been restored.
Touch the Home button () to return to the main screen.
Touch the Wireless icon () again, and then touch the Settings icon ().
Touch Wireless Settings.
If Wireless is On, touch Off, and then On again. The printer searches for wireless networks. Continue to the next step.
If Wireless is Off, touch On. The printer searches for wireless networks. Continue to the next step.
On the display of listed networks, select your network, and then touch follow the on-screen instructions to connect your printer to your wireless network.