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Hardware Tips: Surviving a Disk Crash--a Checklist

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(Ink) Jet-Set Savvy

As a service authorization instructor for Hewlett-Packard, I am writing to correct information on cleaning ink-jet printheads in July's Hardware Tips. HP does not recommend cleaning printheads, especially not with isopropyl alcohol.

Why? Because using isopropyl alcohol can accelerate printhead decay. Instead, use a lint-free cloth dampened with distilled water. Place the bottom of the printhead on the cloth for a few seconds to soften the ink, then very gently wipe the surface and pads.

Jeff Tardie, Hewlett-Packard Tech Data Customer Education

This valuable insight from a service professional underscores an important rule about working with any cleaning liquids and electronic equipment: Never apply any liquid directly to an electronic component. An errant droplet of water, alcohol, or other cleaning agent can damage the delicate circuits, coatings, and adhesives used in electronic devices.

Pour or spray the solution onto a lint-free wipe or swab, then very carefully clean the printhead's surface and only that surface.

Many ink-jet printer manufacturers make more on replacement parts and supplies than on printers, so despite Mr. Tardie's good advice, be practical. If distilled water doesn't work, try the isopropyl alcohol. As long as you're careful not to damage other parts of the printer, you have little to lose trying to save an otherwise-useless printhead.

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