HP 3840 - Manual (Page 69)

11 Troubleshooting
• Printer is not printing
• Paper jam
• Paper problems
• Print quality is poor
• Document is misprinted
• Photos are not printing correctly
• Borderless printing problems
• Error messages
• Printer lights are on or flashing
• Document prints slowly
• If you continue to have problems
11.1 Printer is not printing
Verify the following conditions
• Printer is connected to the power source.
• Cable connections are secure.
• Printer is turned on.
• Print cartridges are
correctly installed .
• Paper or other media is correctly loaded in the In tray.
• Printer cover is closed.
• Rear access door is attached.
Check the printer cable connection
If the printer cable is attached to a USB hub, a printing conflict might exist. Use one
of these methods for solving the conflict:
• Attach the printer USB cable directly to your computer.
• When printing, do not use other USB devices that are attached to the hub.
If the printer does not turn on
The printer might have drawn too much power.
1. Disconnect the power cord from the electrical outlet.
HP Deskjet 3840 series printer User's Guide
69