HP (Hewlett-Packard) 7640 All in One Printer User Manual


 
9. Close the access door, and check if the error message has gone away.
10. If you still receive the error message, turn the product off, and then on again.
NOTE: If one ink cartridge is causing problems, you can remove it and use the single-cartridge
mode to operate the HP ENVY 7640 series with only one cartridge.
100 Chapter 9 Solve a problem ENWW