Hi
Have a strange issue on a C454e were it is putting a dotted line on scans. It happens on scans through the dual scan DF (tried dual scan board and another DF) and on the glass, single sided and duplex originals.
Fault does not occur on copies through DF or on glass. Prints are also fine. So its not optics or consumables.
Scan Sample2.pdf
Scan Sample.pdf
Dots look digital and run edge to edge, portrait or landscape.
The problem seems to be related to grayscale only. It does not occur when you scan in black or in colour. Have set machine up to default scan in colour for now.
Tried scanning in as PDF, compact pdf, jpeg and tiff. All have the dots.
Ran self diagnostic in service with no faults showing.
What could be adding these dots onto the digital image in grayscale (and why!)? Faulty memory or HD?
Running the latest standard firmware at G20-M1.
Thanks for any help!
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