HP Deskjet D5500 User Guide - Page 52

Chapter 7 Flashing lights (continued) On Fourth black Off print cartridge indicator light fast blinking On Black print Off cartridge error indicator light fast blinking Tri-color print cartridge light on On Both fast Off blinking The tape was not removed from the tricolor print cartridge. Off The black print Replace the cartridge is black print getting low on cartridge ink. when print quality is no longer acceptable. Replace the black print cartridge, or print in inkbackup mode with the tri-color print cartridge. For more information, see Printing in ink-backup mode. Fast blinking The black print cartridge is missing or not seated correctly or inserted in the wrong slot. The black print cartridge may be defective. The black print cartridge has been removed. Install or remove and reinsert the black print cartridge. Remove the black print cartridge, remove tape, and reinsert the print cartridge. The tape was not removed from the black print cartridge. Fast blinking The tri-color or black print cartridge may be incompatible. The tri-color or black print cartridge may be defective. Replace with compatible tri-color or Solve a problem 50 Solve a problem