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Troubleshooting 25
5 Close the front cover.
If the error message displays again, replace the black cartridge with a new black
cartridge.
If the error message does not display, repeat steps 1–3 and then go to step 6.
6 Reinstall the color cartridge and remove the black ink cartridge.
7 Close the front cover.
If the error message displays again, replace the color cartridge with a new color
cartridge.
If there is no error message (indicated by flashing lights), repeat steps 1–3 and then
reinstall both ink cartridges.
8 Close the front cover.
If you get the error message again, while both cartridges are installed, replace both of
the cartridges.
Other error messages
1 Press Power to turn the printer off.
2 Wait a few seconds, and then turn the printer back on.
3 Send your document to print.
Removing and reinstalling the printer software
If the printer is not functioning properly or if a communications error message appears
when you try to use your printer, you may need to uninstall and then reinstall the printer
software.
1 From your desktop, click Start →Programs →Dell Printers →Dell Inkjet Printer
J740 →Uninstall Dell J740.
2 Follow the instructions on your computer screen to uninstall the printer software.
3 Restart your computer before reinstalling the printer software.
4 Insert the Dell Personal Inkjet Printer J740 Drivers and Utilities CD.