HP LaserJet Pro 400 color Printer M451 series - Manual (Page 153)

11 Solve problems
● Self help
● Solve general problems checklist
● Restore factory settings
● Interpret control panel messages
● Paper feeds incorrectly or becomes jammed
● Clear jams
● Improve print quality
● The product does not print or it prints slowly
● Solve product connectivity problems
● Solve wireless network problems
● Solve product software problems with Windows
● Solve product software problems with Mac
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