Try making a standalone copy and check if that works. By this, we can conclude if this is a hardware or a driver issue.
Update the printer firmware
Click here to know different methods of updating printer firmware.
Also, check for any software updates on MAC
Click the Apple icon > About This Mac > Software Update and install any available update.
Check the scanner bar functionality
Perform a visual test of the scanner mechanism to see if it is jammed.
Remove any original documents or photos from the scanner glass.
Lift the scanner lid slightly, and then press the Copy button or icon.
If the scanner light does not move or moves halfway or is not lit, the scanner mechanism is likely jammed/broken.
Hope this helps! Keep me posted.
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