HP Deskjet 3420 Color Inkjet Printer - Manual (Page 55)

Push the paper forward until it stops.
if the paper tray is empty
Place the appropriate amount of paper into the tray.
USB problems
the error message “there was an error writing to <name of USB port>"
appears
The USB cable may not have been attached before installing the software. Uninstall,
then reinstall, the software.
For instructions on uninstalling the printer driver, see tools .
there are conflicting USB cable connections
A printing conflict may arise when the printer and several USB devices are attached to
a hub. There are two methods for solving the conflict:
●
Attach the printer's USB cable directly to the computer.
– or –
●
If the printer is attached to a hub, do not use other USB devices attached to the
hub while printing.
networking problems
The HP Deskjet 3300/3400 series printers do not support networking.
54
out of paper
if the paper tray is loaded
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