Question about Lexmark X7550 InkJet Printer
Using a Lexmark x7550 - printing is fine, scanning and faxing produces two bold vertical lines on the page. Any ideas?
A technique to improve print quality is to try and clean the cartridge nozzles. You may clean the cartridge by following the steps given below:
1. Go to the "Lexmark solution center." This can be done by clicking on "Start," go to "Programs" and Lexmark printer group. Click on the "Lexmark Solution center." Next click on the "Maintenance" Tab. 2. Select "Clean and Fix Horizontal streaks." Click on "Print". This will produce a printed page.
The colors that you should see here are black, yellow, magenta (a reddish purple) and cyan (a dark sky blue). You should notice the diagonal lines above and below the solid horizontal lines. These diagonal lines should be solid from left to right with no gaps.
If there are gaps in the lines or the print diminishes across the page, you should run the "Clean Print Nozzle" page a couple more times to try and clear it up. If you still have gaps at the top and bottom, you should "wick" the cartridges by following the steps given below:
1. Please open the "Solution center" again and go to the "Maintenance" Tab. 2. Select "Install color/black cartridge" and remove the cartridge or cartridges from the printer. 3. Get a damp paper towel. 4. Set the ink cartridge right side up on the damp paper towel so that the ink nozzles are against the towel and hold the cartridge in this position for about 15 seconds. 5. Now wipe the print head (on the bottom where the ink comes out) across in one direction only (left to right) until it looks clean. 6. Next dab the cartridge on the towel to make sure that the ink is flowing. 7. Snap the cartridges back into the printer. 8. On your computer, select "Old Cartridge install." 9. Repeat the "Clean Nozzle Page" one more time. If this fails to address the problem the entire procedure may need repeating.
Posted on May 27, 2009
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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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