>Hi,
>
>I am using VFP5a and a receipt printer. Is there any know reliable method of checking and testing whether the printer is okay/out of paper or jam before printing to it.
>
>The functions : sys(13) and printstatus() does not help much as it is unreliable.

You can read LPT status port directly and examine the
status bitts using a utility like

http://www.nease.net/~zealsoft/down.html