HP OfficeJet Pro 8020 User Guide - Page 177

Maintain the printhead and cartridges, If you are experiencing problems with printing

Page 177 highlights

2. Lift the document feeder cover. This provides easy access to the rollers (1) and separator pad (2). 1 Rollers. 2 Separator pad. 3. Lightly dampen a clean lint-free cloth with distilled water, then squeeze any excess liquid from the cloth. 4. Use the damp cloth to wipe any residue off the rollers or separator pad. NOTE: If the residue does not come off using distilled water, try using isopropyl (rubbing) alcohol. 5. Close the cover of the document feeder. Maintain the printhead and cartridges If you are experiencing problems with printing, you might have a problem with the printhead. You should perform the procedures in the following sections only when directed to do so for resolving print quality issues. Performing the aligning and cleaning procedures unnecessarily can waste ink and shorten the life of the cartridges. ● Clean the printhead if your printed output is streaked or has any incorrect or missing colors. ENWW Maintain the printer 171

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2.
Lift the document feeder cover.
This provides easy access to the rollers (1) and separator pad (2).
1
Rollers.
2
Separator pad.
3.
Lightly dampen a clean lint-free cloth with distilled water, then squeeze any excess liquid from the cloth.
4.
Use the damp cloth to wipe any residue off the rollers or separator pad.
NOTE:
If the residue does not come off using distilled water, try using isopropyl (rubbing) alcohol.
5.
Close the cover of the document feeder.
Maintain the printhead and cartridges
If you are experiencing problems with printing, you might have a problem with the printhead. You should
perform the procedures in the following sections only when directed to do so for resolving print quality
issues.
Performing the aligning and cleaning procedures unnecessarily can waste ink and shorten the life of the
cartridges.
Clean the printhead if your printed output is streaked or has any incorrect or missing colors.
ENWW
Maintain the printer
171