Hitachi SCANJET N9120 사용자 설명서

This section presents information about how to care for and maintain the scanner.

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Occasional cleaning of the scanner helps ensure high-quality scans. The amount of care
necessary depends upon several factors, including the amount of use and the
environment. You should perform routine cleaning as necessary.
Routine cleaning and maintenance should include cleaning the automatic document
feeder (ADF), the scanner glass, and the fan filters.

CAUTION: Avoid placing items that have sharp edges, paper clips, staples, wet
glue, correction fluid, or other substances in the scanner. Document pages should
not be curled, wrinkled, or stuck together.

You can purchase maintenance parts online. Items such as the feed roller replacement
kit are available for worldwide delivery.
1. Visit the HP scanner support Web site at 

2. Select your country/region, and then select your language.
3. Enter the scanner model number, and then press Enter.

The automatic document feeder (ADF) requires periodic maintenance depending on the
amount of use and the type of paper that is fed through it. Clean the ADF under the
following conditions:

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The ADF rollers are visibly dirty.

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The ADF has trouble feeding documents.

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Vertical streaks appear in images scanned by the ADF.

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After scanning a document that is dusty, dirty, or has pencil writing on it through the
ADF.

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The environment is dusty.

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Care and maintenance