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![SOLVED] HP Envy 5540 - Hidden Service menu | Printer Forums](https://i.ytimg.com/vi/b2fpLbRpKaM/maxresdefault.jpg "SOLVED] HP Envy 5540 - Hidden Service menu | Printer Forums")
SOLVED] HP Envy 5540 - Hidden Service menu | Printer Forums
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Accessing the Service Menu and Starting the Printer in Diagnostic Mode for the HP Latex 600, 820, and 850, HP Scitex LX800, and HP Designjet L65500 Printer Series | HP® Customer Support
Accessing the Service Menu and Starting the Printer in Diagnostic Mode for the HP Latex 600, 820, and 850, HP Scitex LX800, and HP Designjet L65500 Printer Series | HP® Customer Support
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HP LaserJet Pro M402/M403/M426MFP/M427MFP Service mode functions
