HP Photosmart C6340 All-in-One Printer - Manual (Page 260)

Solution 1: Turn on the product
Solution: Look at the display on the product. If the display is blank and the On
button is not lit, the product is turned off. Make sure the power cord is firmly connected
to the product and plugged into a power outlet. Press the On button to turn on the
product.
Cause: The product was turned off.
If this did not solve the issue, try the next solution.
Solution 2: Connect the product to the computer
Solution: If the product is not properly connected to the computer, communication
errors can occur. Make sure the USB cable is securely connected to the product and
the computer, as shown below. If the product is connected to the computer through
a wired, wireless, or bluetooth connection, make sure that the respective connections
are turned on and active, and the product is turned on.
Cause: The product was not connected to the computer.
Ink cartridge and printhead messages
The following is a list of printhead and ink cartridge error messages:
• Alignment failed
• Calibration error
• Carriage stall
• Cartridges in wrong slot
• General printer error
• Incompatible ink cartridges
• Incompatible printhead
• Ink alert
• Ink cartridge problem
Errors 257
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