User's Guide
Page 47
...blinking, see Printer lights reference. ● No error messages appear on each printhead. ● Printhead latch and all covers are properly installed in their correct color-coded slots. For Windows, set the printer as the ...default in the Chooser or the Print Center. Ensure you are installed. ● Make sure the printer is on and not blinking. When the printer is not jammed in the printer. ● Printheads and ink cartridges are closed. ● Rear access panel (HP Officejet Pro K550) or duplex unit (HP Officejet Pro...
...blinking, see Printer lights reference. ● No error messages appear on each printhead. ● Printhead latch and all covers are properly installed in their correct color-coded slots. For Windows, set the printer as the ...default in the Chooser or the Print Center. Ensure you are installed. ● Make sure the printer is on and not blinking. When the printer is not jammed in the printer. ● Printheads and ink cartridges are closed. ● Rear access panel (HP Officejet Pro K550) or duplex unit (HP Officejet Pro...