Looks like moisture leaked in. Scans all have vertical streaks. I can see this on inside of glass but I can’t get to it to clean it. Need to disassemble.
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Hi,
Here’s a link to the service manual for the printer.
On p.3-66 it shows the removal of the scanner unit.
Maybe doing this will allow access to the underside of the scanner glass or even to be able to remove the glass if necessary.
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