HP Officejet 6100 - Manual (Page 133)

Solution: Click OK to continue printing or replace the cartridge. For information about how to
install new cartridges, see Replace the ink cartridges.
Problem with printer preparation
The printer clock has failed and ink preparation may not be complete. The estimated Ink Level
gauge might be inaccurate.
Solution: Check the print quality of your print job. If it is not satisfactory, running the printhead
cleaning procedure from the toolbox might improve it. For more information, see Clean the
printhead.
Color cartridge out of ink
The cartridges listed in the message are out of ink.
Solutions: To print in color, replace the empty cartridges. For information about how to install new
cartridges, see Replace the ink cartridges.
To temporarily print using black ink only, click Cancel Print and then re-send the print job. The
Use black ink only? message appears before the job prints. The empty cartridges will need to be
replaced soon.
CAUTION: Do not remove the empty color cartridge to print in Use Black Only mode.
Black cartridge out of ink
The black cartridge is out of ink.
Solutions: Replace the black ink cartridge. For information about how to install new cartridges, see
Replace the ink cartridges.
To temporarily replace black with color, click Cancel Print and re-send the print job. The Use
color ink only? message appears before the job prints. The black cartridge will need to be
replaced soon.
CAUTION: Do not remove the empty black cartridge to print in Use Color Only mode.
Black cartridge out of ink 129