Mutoh DG-41914 Printhead

The Mutoh DG-41914 printhead (also sold as the VJ‑1618 printhead) is an original manufacturer printhead built on Epson’s DX7 micro‑piezo technology and engineered specifically for Mutoh ValueJet wide‑format solvent printers. It delivers up to 1440 dpi native resolution with variable droplet control from 1.5 to 21 picoliters, enabling excellent photographic quality, smooth tonal transitions, and crisp text and line work. With 8 nozzle rows (180 nozzles per row) and an 8 kHz firing frequency, the DG‑41914 supports high throughput while maintaining color accuracy and dot placement stability. This printhead is intended for eco‑solvent and mild solvent inks and is supplied as the original replacement part for professional production environments.

Technical specifications

•     Manufacturer part number: DG‑41914.
•     Technology: Epson DX7 / Micro‑Piezo (sixth generation).
•     Native resolution: 1440 dpi.
•     Nozzles: 1440 total (8 lines × 180 nozzles).
•     Droplet size: variable, approximately 1.5 pL (min) to 21 pL (max).
•     Firing frequency: ~8 kHz.
•     Ink compatibility: eco‑solvent and mild solvent inks.
•     Damper requirement: DX6 valve dampers (use correct dampers).
•     Typical use: Mutoh ValueJet VJ‑1618 series (VJ‑1618, VJ‑1618W, VJ‑1618K) and compatible Mutoh models listed by manufacturer.
•     Origin: manufactured to Mutoh / Epson OEM specifications.

Compatibility & installation notes

•     Primary models: Mutoh ValueJet 1618 series printers; check your printer’s part reference to confirm compatibility.
•     It is recommended to replace associated head cables when installing a new head and to follow Mutoh’s installation procedure to avoid damage to the head electronics.
•     Use only recommended ink supply systems and dampers (DX6), and avoid touching the printhead’s circuit board or nozzle plate.
•     For best life and stability, maintain ink pump and filtration per manufacturer guidance (regular maintenance recommended).

Packing & handling

•     Supplied in anti‑static, sealed OEM packaging with protective caps on fluid ports and nozzle guard.
•     Shipments handled with strong cushioning; store in a cool, dry place and avoid prolonged exposure to direct sunlight or extreme temperatures.
•     Return/repair policy: subject to seller warranty terms - test promptly after installation and report any DOA (dead‑on‑arrival) within seller’s warranty window.