Question about HP OfficeJet 9120 All-In-One InkJet Printer

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Printer/Scanner Problems I need to get rid of a long black line that shows up on digital and hard copies of anything that I scan or print. It wasn't there before. However a coworker believes that it could've been caused by a paper jam in the automatic sheet feeder. It appears to be cleared, however, this line still keeps showing up. What can we do to get rid of it?

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Does the line show up on PRINTS FROM YOUR COMPUTER also, or only when SCANNING A DOCUMENT? If the line is only from scanned documents, the SCAN GLASS has something stuck on it. The SCAN GLASS is a GLASS **** located under the ORIGINAL FEEDER. It is NOT the plate of glass you place the original on . Look UNDER the original feeder for a scrap of paper stuck in the optical path of the GLASS ****, and remove the scrap, or CLEAN THE SCAN GLASS IF CORRECTION FLUID, INK, ETC ARE STUCK ON IT. If the line shows up on ALL prints, your CHARGE CLEANING SLIDER located in the IMAGING (DRUM) UNIT must be slid all the way to one end of the charger, OR IT WILL CAUSE A BLACK LINE ON ALL PRINTS. Otherwise, the IMAGING UNIT may need to be cleaned or replaced. Toner smudges on the drum would indicate need for cleaning or replacement.

Posted on Aug 12, 2008

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Sounds like you have a glitch in the main logic board of the printer when it prints the axial location buffer is loaded either with junk or isn't functional and sees nothing but blank data in that location. Try resetting the printer consult manual/mfg for reset codes?

Posted on Aug 12, 2008

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1 Answer

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Black lines


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1 Answer

Black line when scanning or copying


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