HP C7280 User Guide - Page 270
Power and connection messages, Paper mismatch, Wrong paper width, Communication test failed
UPC - 883585105137
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For more information, see: "Clear paper jams" on page 171 Cause: The print head assembly is blocked. Solution: Turn the HP All-in-One off and open the ink cartridge door. Remove any objects that are blocking the print head assembly (including any packing materials), and then turn the HP All-in-One on again. Paper mismatch Cause: The print setting for the print job does not match the paper type or size loaded in the HP All-in-One. Solution: Change the print setting or load the appropriate paper in the input tray. For more information, see: "Change the print settings for the current job" on page 84 "Information on paper" on page 171 Wrong paper width Cause: The print setting chosen for the print job does not match the paper loaded in the HP All-in-One. Solution: Change the print setting or load the appropriate paper in the input tray. For more information, see: "Information on paper" on page 171 "Change the print settings for the current job" on page 84 "Load paper" on page 76 Power and connection messages The following is a list of power- and connection-related error messages: • Communication test failed • HP All-in-One not found • Improper shutdown • Two-way communication lost Communication test failed 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. Errors 269 Troubleshooting