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HP LaserJet Enterprise MFP M430

Troubleshooting. Image Defects 4

Output defects

Description

The paper does not stack well in the output tray. The stack might be uneven, skewed, or the pages might be pushed out of the tray and onto the floor. Any of the following conditions can cause this defect:

  • Extreme paper curl
  • The paper in the tray is wrinkled or deformed
  • The paper is a non-standard paper type, such as envelopes
  • The output tray is too full

Possible solutions

  1. Reprint the document.
  2. Positive curl: From the printer control panel, select a heavier paper type. The heavier paper type creates a higher temperature for printing.
    Negative curl: From the printer control panel, select a lighter paper type. The lighter paper type creates a lower temperature for printing. Try storing the paper in a dry environment prior to use, or use freshly opened paper
  3. Print in duplex mode.

Streak defects

Description

Light vertical streaks that usually span the length of the page. The defect displays only in areas of fill, not in text or sections with no printed content.

Possible solutions

  1. Reprint the document.
  2. Remove the cartridge, and then shake it to redistribute the toner. Reinsert the toner cartridges into the printer and close the cover. For a graphical representation of this procedure, see Replace the toner cartridges.

NOTE: Both light and dark vertical streaks can occur when the printing environment is outside the specified range for temperature or humidity. Refer to your printer's environmental specifications for allowable temperature and humidity levels.

Streak defects (continued)

Description

Dark vertical lines which occur down the length of the page. The defect might occur anywhere on the page, in areas of fill or in sections with no printed content.

Possible solutions

  1. Reprint the document.
  2. Remove the cartridge, and then shake it to redistribute the toner. Reinsert the toner cartridges into the printer and close the cover. For a graphical representation of this procedure, see Replace the toner cartridges.
  3. Print a cleaning page.
  4. Check the toner level in the cartridge.
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