HP (Hewlett-Packard) 940c All in One Printer User Manual


 
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troubleshooting problems with the tri-color or black print cartridge
If the yellow arrow points to a print cartridge problem icon, the print
cartridge is either missing, improperly installed, defective, or is the wrong
print cartridge for the printer. Perform the following tasks to correct the
problem:
Insert the proper print cartridge if one is missing. The printer needs
both a black print cartridge and a tri-color print cartridge to operate.
Remove and reinsert the print cartridge if both print cartridges are
installed.
Verify that the correct print cartridge is installed if there is still a
problem.
Replace the cartridges if the problem persists.
solving problems with low ink
If the arrow points to the tri-color or the black low ink icon, replace the
relevant print cartridge.
verifying that the problem is solved
If the arrow points to the print cartridge OK icon, both print cartridges are
operational and the problem is solved.
See also:
replacing print cartridges
print cartridge part numbers