HP 728 Wireless Continuous Ink Supply Printer Home Use Automatic Duplex 3-in-1 Color Printing Copying Scanning Low Cost Per Page 0.01 RMB

The print yield is determined based on HP's research methodology using ISO/IEC 24712 test pages.

The yield is derived from simulated continuous printing.

Printing color test pages (blue/red/yellow) requires additional black bottled ink to complete.

Average print coverage is based on ISO/IEC 24711 test results.

Actual print yield may vary depending on the content of printed pages, printing frequency, printer settings, and other factors.

For more information, please visit hp.com/go/learnaboutsupplies.

Print yield is based on ISO/IEC 24712 testing standards.

Detailed information is available in the footnotes.

Compatible with JD Smart Print () app for enhanced printing experience.

Supports integration with learning devices including printers, learning machines, and error correction machines.

Features include test paper refurbishment, one-click correction, error printing, and access to a large database of real exam questions.

Supports WeChat printing, oral calculation practice, handwriting practice, and English correction.

Transforms the printer into a learning machine with rich educational resources for kindergarten to high school levels.

VIP membership available with free access to resources via the app.