Close this search box.

Negative Board KHF-5V7K for Inkjet and Wide Format Printer


Basic Info.

  • Product Name: Negative System Control Board
  • Moq: 1pcs 
  • Use for: Wide Format Printer 
  • Ink type: Eco- Solvent Ink/ Solvent Ink/UV Ink
  • Applicable Industries: Advertising Company, Printer Spare parts, Manufacturing Plant, Machinery Repair Shops, etc.

*For more information about this printer part, you can send us an inquiry.

Printer Compatibility

Product Details

1. In the negative pressure ink supply system, the precise identification and control of the amount of ink can be realized through the control of the chip. The complete system is mainly composed of an interconnecting box body, nozzle, and adapter. The box body is respectively connected with an inlet ink tube and another outlet ink tube, the upper end of the nozzle is provided with an ink inlet and an ink overflow port, and the box body is provided with an ink level meter, used to control the ink in the box to maintain a certain amount of ink, when the ink is less than the set value will alarm, then need to add ink.

2. The whole system is composed of a set of looser check valves, which can put the nozzle and the adapter in a negative pressure state. One end is connected with the connecting hole of the adapter, and the other end is connected with a suction pipe. When the ink in the nozzle and the ink outlet tube is attracted by the negative pressure air, the ink can maintain a balanced state that will not fall, and when the inkjet head is pointed downward, the ink can be automatically pumped to fill the ink, to achieve the function of continuous printing。

Our Core Pillars

Professional Production Lines
Professional Production Lines
5000+ high-quality products meet customers’ specific requirements. Skilled workforce comply with standard production procedures & processes. R&D personnel possess extensive knowledge of printer ink supply parts.
Automated Production Equipment
Automated Production Equipment
Computer-controlled tube cutters achieve high precision and low loss. Screw feeders greatly reduce labor costs and assembly time.
Packaging and Quality Inspection
Packaging and Quality Inspection
Products are protected and identified to facilitate transportation. Quality control is conducted to ensure products meet quality standard.
Logistics and warehousing
Logistics and Warehousing
Sort, package, and ship finished products to meet customer needs. Manage warehousing facilities to ensure product safety and traceability.

Our Exhibitions


Yes. JOHOPE is a professional manufacturer offering spare parts for wide-format printers and a reliable supplier of printheads.

JOHOPE have the complete range of printer spare parts, including ink filter, sub tank, ink damper, etc. Please feel free to contact us.

Of course! All printheads are 100% original and brand new here.

We will deliver within 2-3 workdays after full payment is received.

We usually ship by DHL,FEDEX,UPS,TNT or EMS.