HP LaserJet Pro M521 Multifunction Printer series - Manual (Page 171)

9 Solve problems
● Solve problems checklist
● Restore the factory-set defaults
● Control panel help system
● Paper feeds incorrectly or becomes jammed
● Clear jams
● Improve print quality
● Improve copy quality
● Improve scan quality
● Improve fax quality
● The product does not print or it prints slowly
● Solve walk-up USB printing problems
● Solve fax problems
● Solve USB connection problems
● Solve wired network problems
● Solve wireless network problems
● Solve product software problems with Windows
● Solve product software problems with Mac OS X
● Remove software (Windows)
● Remove software (Mac OS X)
● Solve scan to email problems
● Solve scan to network folder problems
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