I'm sorry about the issue. Are you currently able to make a copy from the printer's glass (not printing from the computer)?
What Windows version did you have previously?
Did you use the printer's CD disk to reinstall? Or did you download?
Can we do a remote support session, so I can troubleshoot the issue directly on your computer together with you?
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Is the printer connected to the computer with a USB cable?
Can you please confirm the exact model of your HP PSC 2100 series printer, such as PSC 2105 or PSC 2110 or PSC 2115, etc.?
Please type at the box below, then click on the Send button below to communicate with me. Thank you.