HP (Hewlett-Packard) HP 910 User Manual

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Print cartridge problems
If the printer slows down or cannot print, there could be a problem with the print cartridge.
For more information, check the following topics:
Incorrect or missing print cartridge
Cause: If the correct print cartridges have not been installed or if the print cartridges
are missing, the printer cannot print.
Solution:
To verify and install the correct print cartridges
1.
Open the printer cover.
2.
Read the selection number on the print cartridge label.
1 Selection number
3.
Check the list of print cartridges that can be used in the printer.
a. Open the printer 
.
b. Click the Estimated Ink Levels tab.
c. Click the Print Cartridge Information button and view the list of print
cartridge selection numbers.
The reference guide that came with the printer also shows the print cartridge
selection numbers.
4.
If the print cartridge selection number is correct, try cleaning the print cartridge.
For more information, see 
5.
If the print cartridge has the wrong selection number, install a new print cartridge.
For more information, see 
6.
Close the printer cover.
If the Power light is not flashing, then the problem is fixed.
Print cartridge problems
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