On Jan 9, 8:33*am, (Samuel M. Goldwasser) wrote:


The symptoms are that thin lines print very light while large areas
are solid black.

Any suggestions appreciated.

I think you have a dusty lightpath. If there's dust or fogging on the
rotating mirror (warning: it takes a lot of disassembly to get to
that),
or on the scanner enclosure window, it hurts thin lines like that.
The mirror can only be dusted (blow dust off with compressed air),
not wiped. The window can be wiped off with isopropyl alcohol,
but if there's a film on the inner surface, it's complete-disassembly
time.