The Xaar Irix Core 40W (XP12800072) is a 128‑nozzle, 40 pL drop-volume industrial inkjet printhead designed for solvent/oil/water-based inks and intended as a compact, high‑speed replacement head for many wide‑format and industrial printers.
Technical summary for quick evaluation
Nozzles and resolution: 128 active nozzles, nozzle density 185 npi (≈360 dpi physical sampling).
Drop volume and velocity: nominal drop size 40 pL, drop velocity ≈6 m/s with drop velocity variation ±0.50 m/s (3σ).
Frequency and speed: maximum firing frequency up to ~8.3 kHz and linear print speed about 1.17 m/s at 180 dpi (depends on integration).
Physical dimensions and weight: 37.2 × 11.3 × 40.8 mm, weight ≈15.5 g; typical print swathe ≈17 mm; recommended print distance <5 mm.
Ink compatibility: compatible with a wide range of oil, solvent and many water‑based ink systems (suitable for coding/marking and functional fluids uses).
Reliability / integration notes: marketed as robust and low‑maintenance; typically a direct replacement for discontinued Xaar XP12800007/0009 without firmware changes for many controllers (confirm with your printer vendor).
Buyer comparison checklist (vs common alternatives)
Drop size / application: 40 pL is good for moderate detail, text and graphics with reasonable laydown; choose 80 pL/other heads if you need heavier laydown or thicker inks.
Speed vs grey control: Irix Core 40W is binary-mode focused with high firing frequency; for more greyscale control or finer photo-like gradients consider greyscale heads (different Xaar families).
Ink type: confirm your exact ink chemistry and viscosity (Irix Core works with many solvent/oil inks; check viscosity range and vendor compatibility).
Physical fit and electronics: dimensions and connector/pinout must match your carriage and controller; the XP12800072 is often listed as a drop-in for many DGI, Gongzheng, Wit-Color and other machines but verify electrical/mechanical compatibility before purchase.
Warranty and exclusions: Manufacture warranties (exclude damage from non‑original inks, clogging from poor maintenance, misuse, or third‑party modifications - factor this into procurement and maintenance plans).
Compatibility examples (common printers listed)
Reported compatible/practical replacements include models from DGI (XP-2506 series), Gongzheng (GZC/GZY series), Wit‑Color Ultra/3320 series, DGS Color Xpress, and other large‑format/flatbed integrators; always confirm with the printer manufacturer or supplier that XP12800072 is supported for your specific firmware and carriage.
Practical purchasing recommendations
Confirm exact part number and insulator color where suppliers differ (some listings note light‑grey or purple insulator variants) and match to your printer’s expected variant.
Ask the seller for a compatibility/fit guarantee and a return or DOA policy; request data on nozzle test results and whether the head is new, reconditioned, or compatible clone (many listings show “100% new Original”).
If you use non‑original inks or a bulk ink system, confirm that the supplier’s warranty covers your intended use or plan for a preventive maintenance schedule to avoid nozzle clogging (warranty exclusions commonly apply).
One-line purchase decision aid
Choose XP12800072 (Irix Core 40W) if you need a lightweight, 128‑nozzle, 40 pL head for solvent/oil/water inks with high firing frequency and broad printer compatibility; choose an 80 pL or greyscale head instead when you need heavier ink laydown or finer tonal control
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