The Smart Tank Plus 651 is a thermal inkjet platform utilizing a permanent printhead architecture and gravity-fed reservoirs. Technical specifications indicate an 802.11n Wi-Fi module and legacy RJ-11 fax hardware. Performance data shows a optimized resolution of 4800 x 1200 DPI, with a calculated cost per mono page of approximately $0.003 USD.
The 35-sheet Automatic Document Feeder (ADF) uses a plastic-intensive hinge assembly. Documentation reveals the device enters a deep-sleep mode consuming 0.11W, during which it performs periodic micro-purges to prevent ink crystallization. The system architecture necessitates the use of the HP Smart app for full feature activation and device management.
- Ink System: Refillable Tank
- Interface: RJ-11 (Fax), Wi-Fi, USB
- DPI: 4800 x 1200 Optimized
The Canon PIXMA TR8620a provides a 5-ink individual cartridge system as a high-fidelity alternative for users prioritizing photo accuracy over bulk ink volume. Comparative data on these systems is available in the multi-protocol document controller category.