The device is not ready.

One of the following errors occurred:

1. The drive is empty.
2. The drive door is open.
3. The drive is in use. This can also apply to printing, as in “Error writing to LPTx the device is not ready.”

Do one of the following:

1. Insert a floppy disk in the drive, and then retry the command.
2. Close the drive door, and then retry the command.
3. Wait until the device is available, and then retry the command.