Question about Brother MFC-7820N Laser Printer
When I scan multiple pages through, I get a vertical line on the left side of each page. If I lay a page flat on the glass this doesn't happen. Does anyone have a suggestion on how to fix this?
Clean the glass. Not the full glass where you lay a page, but the thin strip of glass that the paper moves past when you use the ADF. There is probably a small dot of ink or dirt causing the lines.
Posted on Oct 22, 2008
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Posted on Jan 02, 2017
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This article provides the self-diagnostic
steps necessary to evaluate top-to-bottom streaks that appear when
copying or scanning.
Important! This is seldom a scanner hardware failure.
The main reason for this anomaly is debris or marks on the scanner glass that is used for Auto document feeder (ADF) page scans.
Printed or Scanned Page Illustration
Who should consider this article?
Any user of an MFP or All-In-One printer experiencing the following symptoms:
Think of it this way:
Suggested Diagnosis and Fix
Step Action 1 Locate the portion of the glass designated for ADF scans.
HINT: The glass location differs by model. This area is often separate from the scanner flatbed. Please reference User's Guide for more information if you are having a difficult time locating this designated area.
2 Perform a visual inspection for any of the following recurring culprits:
If... Then... Vertical lines appear only when printing... Consider other printer-related topics such as toner cartridge, charge roll, photoconductor, transfer roll, or fuser. Contact Lexmark Technical Support. Vertical lines appear when you lay the page on the flatbed... Consider other printer-related topics such as toner cartridge, charge roll, photoconductor, transfer roll, or fuser. Contact Lexmark Technical Support. Vertical lines appear on ADF-fed printed copies, but they do not appear on scan-to-network [e-mail, FTP, folder (PC), solutions]... Consider other printer-related topics such as toner cartridge, charge roll, photoconductor, transfer roll, or fuser. Contact Lexmark Technical Support.
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