HP Photosmart C7200 Series - Manual (Page 272)

Improper shutdown
Cause: The last time the HP All-in-One was used, it was not turned off properly. If
the HP All-in-One is turned off by turning off the switch on a power strip or by using
a wall switch, the device can be damaged.
Solution: Press the On button located on the control panel of the HP All-in-One to
turn the device on and off.
Two-way communication lost
Cause: The HP All-in-One is turned off.
Solution: Look at the display on the HP All-in-One. If the display is blank and the
On button is not lit, the HP All-in-One is turned off. Make sure the power cord is firmly
connected to the HP All-in-One and plugged into a power outlet. Press the On button
to turn on the HP All-in-One.
Cause: The HP All-in-One is not connected to the computer.
Solution: If the HP All-in-One is not properly connected to the computer,
communication errors can occur. Make sure the USB cable is securely connected to
the HP All-in-One and the computer, as shown below.
For more information, see:
“Communication problems over a USB connection” on page 169
Ink cartridge messages
The following is a list of ink cartridge error messages:
• Calibration error
• Cannot print
• Incorrect ink cartridge(s)
• The following ink cartridges cannot be used after device initialization and must be
replaced
Errors 271
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