HP Color LaserJet Enterprise CM4540 MFP series - Manual (Page 303)

14 Solve problems
● Self help
● Solve problems checklist
● Restore factory settings
● Interpret control-panel messages
● Paper feeds incorrectly or becomes jammed
● Improve print quality
● The product does not print or it prints slowly
● Solve walk-up USB printing problems
● Solve connectivity problems
● Solve product software problems with Windows
● Solve product software problems with Mac
ENWW 283