qbasic.hlp (Topic list)
Important Notice
The pages on this site contain documentation for very old MS-DOS software, purely for historical purposes. If you're looking for up-to-date documentation, particularly for programming, you should not rely on the information found here, as it will be woefully out of date.
QBasic device fault
QBasic has detected a fault at the printer. Make sure that:
   ■ The printer online indicator light is still on.
   ■ The printer power is still on.
   ■ The printer cable is securely connected to the printer
     and the computer.