please help，schedule 4 do i need printout and signature？

[l216]

please help，schedule 4 do i need printout and signature？ i only type my signature，is that a problem？

 

[Jkal]

It is obvious that u need to print and then sign and scan it. isn't it?
Fill everything in the PDF, print sign scan and send it.

 

[l216]

omg，do you know how can i fix this problem