>I want check Printer not ready..How I can do?
>My application must printer slip form..I want check printer status before print..
>

Unfortunately, under Windows, you can only check the status through the Windows spooler directly; it can't detect an error condition until it's been reported to the spooler. There are low-level APIs to access the port directly, but they're complex to program in VFP, and won't be of any help with things like netowrk printers, where the underlying ports are competely hidden by the network redirector.

About the only thing I can think of to do easily is to set up the printer as a generic printer, send it a non-printing character, and then test the printer status afterwards.