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Sorry for the delay and thank you for your patience. My name is Michael. I will be helping you with your question today. Please let me know if there as any additional information that you feel might be pertinent to your question. If I don't hear back from you, I'll provide the best answer I can based on the information you've given so far. You will still be able to reply with additional information or questions at any point during our conversation, and I'll revise the my answer accordingly.
What are you using to scan them in? Are the scans themselves correct? This will have the greatest effect on the outcome. If the scans aren't coming into LR correctly, the results will be pretty bad.
Can you attach one of them here?
Got it. Thank you. Have you tried printing in greyscale (vs black/white which the printer sees as only black and white, but nothing in between - like a typed document).
It should be... just go to file and then print to make sure you have all the print options available.