HP Photosmart C6340 All-in-One Printer - Manual (Page 278)

Install printhead and then cartridges
Try the following solutions to resolve the issue. Solutions are listed in order, with the most
likely solution first. If the first solution does not solve the problem, continue trying the
remaining solutions until the issue is resolved.
• Solution 1: Install the printhead and then cartridges
• Solution 2: Contact HP support
Solution 1: Install the printhead and then cartridges
Solution: Make sure that you follow the instructions in the Start Here guide for
installing the printhead and the ink cartridges.
If you installed the printhead and ink cartridges and the message still appears, remove
and reinsert them using the following procedure.
To reinstall the printhead
1. Make sure that the product is turned on.
2. Open the ink cartridge door.
3. Remove every ink cartridge by pushing the tab on the ink cartridge and then
pulling the ink cartridge out of its slot. Place the ink cartridges on a piece of paper
with the ink openings pointing up.
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