Epson C11CH78201 WorkForce Pro WF-7820 All-in-One Inkjet Printer

User Manual - Page 341

For C11CH78201.

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341
Make sure the paper type setting matches the type of paper you loaded.
Make sure you loaded the printable side of the paper correctly for your product.
Turn off any high speed settings in your product software.
Align the print head. If print quality does not improve after aligning the print head, disable the
bidirectional (high speed) setting.
Adjust the print quality in the product software.
When horizontal banding appears or the top or bottom of the paper is smeared, load paper in the
correct direction and slide the edge guides to the edges of the paper.
If you continue to see horizontal bands or streaks in your printouts after cleaning the print head and
adjusting the print quality, make print quality adjustments for each paper type.
If you are copying from the ADF, copy from the scanner glass instead or use a higher quality setting.
When vertical banding appears or the paper is smeared, clean the paper path.
You may need to replace the ink cartridges.
Parent topic: Solving Print Quality Problems
Related concepts
Print Head Nozzle Check
Print Head Cleaning
Related references
Paper or Media Type Settings - Printing Software
Related tasks
Aligning the Print Head Using the Product Control Panel
Selecting Additional Layout and Print Options - Windows
Selecting Printing Preferences - Mac
Related topics
Loading Paper
Replacing Ink Cartridges and Maintenance Boxes
Blurry or Smeared Printout
If your printouts are blurry or smeared, try these solutions:
Make sure your paper is not damp, curled, old, or loaded incorrectly in your product.
Slide the edge guides to the edges of the paper.
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