HP Photosmart C6340 All-in-One Printer - Manual (Page 259)

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.
Improper shutdown
Solution: Press the On button to turn the product on and off.
Cause: The last time the product was used, it was not turned off properly. If the
product is turned off by turning off the switch on a power strip or by using a wall switch,
the product can be damaged.
Two-way communication lost
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: Turn on the product
• Solution 2: Connect the product to the computer
Chapter 14
256 Troubleshooting
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