HP Deskjet 450 Mobile Printer series - Manual (Page 75)

ENWW C-2
Power LED blinks. Printer is printing.
No action required.
Power, Resume, Left and Right
print cartridge LEDs cycle. Printer is either powering on or off.
No action required.
Resume LED blinks. Printer is either stalled, waiting for special media to dry, out
of paper, or processing DPOF printing.
If out of paper, load paper. Press the R ESUME BUTTON to
continue the print job.
Left print cartridge LED blinks. Tri-color print cartridge needs attention.
Reinstall the print cartridge and try to print. If the error
persists, replace the cartridge. See
Replacing the print
cartridges .
Right print cartridge LED blinks. Black or photo print cartridge needs attention.
Reinstall the print cartridge and try to print. If the error
persists, replace the cartridge. See
Replacing the print
cartridges .
Right and Left print cartridge
LEDs blink. Tri-color and black or photo print cartridges need attention.
Reinstall the print cartridges and try to print. If the error
persists, replace the cartridges. See
Replacing the print
cartridges .
Left print cartridge LED on. Tri-color print cartridge is low on ink.
Replace the print cartridge. See Replacing the print
cartridges .