HP SmTank 5101 All-In-One Wireless Thermal Inkjet Color Printer - Manual (Page 55)

The Attention light and Blank Document icon are blinking. The Resume light and Cancel light are on.
The printer receives a printing job and detects that the printer is out of paper.
Load paper in the input tray, and then press the Resume button to continue.
The Attention light and Document icon with horizontal lines are blinking. The Resume light and Cancel light
are on.
The printer receives a copy or scan job and detects that there is no original on the scanner glass.
Load original on the scanner glass, and then press the Resume button to continue.
Printhead icons and errors
The Attention light and one or both the Printhead icons are blinking.
Printhead icons and errors 49