letter invitation

[myza]

i already have a notarized letter of invitation and letter of support for my mom who is planning to apply for supervisa.she will be submitting her application thru mail.can i just scan the letter of invitation and support and email it to her so she can print it and submit the application?will the embassy accept a scanned copy of the invitations?or does it need to be the original one?i already mailed to her the original copies but it will take a week before she receives it.i want her to submit the application sooner than that.please help