Your printer may need recalibration or realignment; refer to vendor documentation for that. Either that or your print heads may be clogged; refer to the same documentation for accessing and cleaning the printhead.
If your phone recognizes the sim card but doesn’t make or receive calls your phone may have been set to airplane/flight mode. You can simply go to settings and toggle this option off. If that isn’t the case you can check your sim card settings if the sim is selected as your primary sim card. Otherwise, you may need to call your network provider/ ISP.
Reduce the Backlight Level in the Picture Settings Menu Turn the Light Sensor setting to On in the Setup Menu Change the Power Saving setting to Low or High in the Setup Menu. If none of those options work you may have to call the manufacturer otherwise you gotta budget a new tv.
Your phone screen display may not be getting enough power, try charging the phone, if the screen stays on when charging but goes off when disconnected your battery may not be supplying enough power to the display. You may need to service it or replace it.
You should check if the printhead nozzle is clogged that may be the issue otherwise, you should check the manufacturer documents on how to recalibrate the print heads and if that doesn’t solve your problem you may have to replace the printhead.