5Lower the printer (scanner unit) until it is completely closed.

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.

6Reinstall the color cartridge and remove the black ink cartridge.

7Lower the printer (scanner unit) until it is completely closed.

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.

8Lower the printer (scanner unit) until it is completely closed.

If you get the error message again, while both cartridges are installed, replace both of the cartridges.

Other error messages

1Turn the printer off.

2Wait a few seconds, and then turn the printer back on.

3Send your document to print.

Troubleshooting 53

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Dell A940 manual Other error messages