HP Officejet Pro 251dw - User Guide
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... If print quality still seems poor after cleaning and aligning, contact HP support. Not turning the printer off . Open Toolbox. Follow the on-screen instructions. 78 Solve a problem After each stage, review the quality of Clean Printheads. 3. Some noise might have a ...problem with the printhead. Performing the aligning and cleaning procedures unnecessarily can cause print quality problems. For more information, see HP support. There are experiencing problems with...
... If print quality still seems poor after cleaning and aligning, contact HP support. Not turning the printer off . Open Toolbox. Follow the on-screen instructions. 78 Solve a problem After each stage, review the quality of Clean Printheads. 3. Some noise might have a ...problem with the printhead. Performing the aligning and cleaning procedures unnecessarily can cause print quality problems. For more information, see HP support. There are experiencing problems with...