Key facts
Start here
HP Officejet J6400 All-in-One User Manual
The guide covers everything needed to get the HP Officejet J6400 up and running, including unpacking, connecting power and network, installing drivers, and using core functions such as printing, copying, scanning, and faxing. Detailed sections explain how to load media, configure duplex printing, use the automatic document feeder, and adjust settings for different paper types.
Additional chapters describe maintenance tasks, troubleshooting common issues, and the device’s technical specifications, safety precautions, and support resources. The manual also includes accessibility features for users with visual or mobility impairments. This manual is written in Chinese.
All HP J6400 documents by type
Day-to-day operation, settings and troubleshooting. Start here if the product is already set up.
Questions answered in these manuals
What safety precaution should be taken when connecting the product to power?
You must use a grounded power outlet when connecting the product.
Can users repair parts inside the product themselves?
No, there are no user-serviceable parts inside the product.
What safety precautions should I follow when installing the printer?
Read all instructions, connect the printer to a grounded outlet, avoid installing near water, and ensure the device is placed on a stable surface.