HP LaserJet 9000 Printer series - Cleaning the ADF delivery system

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Cleaning the ADF delivery system

Clean the ADF only if it is visibly marked or dir ty, or if you are experiencing a
decrease in copy quality (such as streaking).

1

Lift the ADF.

2

Locate the top and bottom ADF glass strips.

3

Clean the glass strips by wiping them gently with a clean, damp, lint-free cloth.
Use an ammonia-based surface cleaner to dampen the cloth.

4

Locate the white, vinyl ADF backing.

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Cleaning the product

5

Locate the white, vinyl calibration strips.

6

Clean the ADF backing and the calibration strips by wiping them with a clean,
damp, lint-free cloth. Use an ammonia-based surface cleaner to dampen the
cloth.

7

Close the ADF.

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Cleaning the product

To clean the top ADF glass strip

If you are still experiencing poor copy quality, you might need to clean the top ADF
glass strip.

CAUTION

Clean this area only if you see copy defects such as streaks, and you notice dust

inside the glass strip. Cleaning this area frequently could introduce dust into

the

product.

1

Open the ADF cover.

2

Locate the latch that releases the top ADF glass strip. Push the latch to the
left, and pull down to expose the inside of the glass strip.

3

Gently wipe the glass with a dry, lint-free cloth.

CAUTION

Use dry cloth only in this area. Do not use solvents, cleaners, water, or compressed
air. Doing so could severely damage the product.

4

Pull up on the latch to return the glass strip to its normal position.

5

Close the ADF cover.

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Cleaning the product

To clean the ADF rollers

You should clean the rollers in the ADF if you are experiencing misfeeds or if your
originals show marks as they exit the ADF.

1

Open the ADF.

CAUTION

Clean the rollers only if you experience misfeeds or marks on the originals, and you
notice dust

on the rollers. Cleaning the rollers frequently could introduce dust into

the product.

2

Locate the rollers near the glass strips.

3

Wipe the rollers gently with a clean, water-dampened, lint-free cloth.

CAUTION

Do not pour water directly onto the rollers. Doing so might damage the product.

4

Close the ADF.

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5

Open the ADF cover.

6

Locate the rollers.

7

Wipe the rollers with a clean, water-dampened, lint-free cloth.

CAUTION

Do not pour water directly onto the rollers. Doing so might damage the product.

8

Close the ADF cover.

9

Close the delivery guide and wipe its outside surface with the cloth.

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