We’re sorry to hear that the printing on your black T-shirts did not meet your expectations, even though the white ones turned out perfectly. We understand how disappointing this must be, especially since you were happy with the T-shirt quality and fabric. If you could send us some images of the items, we would be happy to look into this further and find a solution. We appreciate your understanding and are committed to resolving this for you. If your request is urgent, and you need immediate assistance, please do not hesitate to contact our Customer Support team directly at: https://www.vistaprint.com.au/customer-care/help-centre/. We’re here to help!