Question about HP ScanJet 2400 Flatbed Scanner
This kind of problem - continuous black lines - is usually caused by a speck of grit or dirt on the scanner head. The dirt is immobile in relation with the head, so the latter "sees" black wherever it goes. It's possible that the head is damage, but that is a very rare occurrence indeed, while dust is far more frequent.
You need to remove the protective glass (be careful when releasing the lock, and use gloves if possible - fingerprints may be inconvenient to remove; use solvent-free window cleaning fluid and a little water, in case) and clean the head using compressed air and a soft, lint-free cloth. Then reassemble.
In some models - don't know about the G2410 though - it is also possible to reach the head from two small openings on the sides of the platen glass. You launch a scan, so that the head moves from its resting position until it's nearest the openings. Then unplug the power, thus marooning the head in a reachable position. Most compressed air cans come with a thin straw which will allow you to reach the head without opening the scanner (and voiding the warranty, more often than not). CAREFUL not to invert the air can: the white spray of freezing liquid (it's not really "air") coming out from an inverted air can may damage or permanently stain the scanner head. If the grit is visible and the opening large enough, you may even be able to arrange its removal with a long thin wooden skewer or even a drinking straw.
Posted on Aug 31, 2010
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Posted on Jan 02, 2017
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