The Mimaki JV34 Compression Damper (part number M007846, current designation M027904) is the genuine original Mimaki solvent-resistant compression damper for the Mimaki JV34-260 wide-format eco-solvent printer and the Mimaki TS34-1800A dye-sublimation textile printer. Built for the Epson DX7 printhead used in both machines, this OEM damper filters ink particles, buffers pressure fluctuations, and maintains stable ink delivery between the ink supply and the DX7 nozzle array. Each JV34 printhead requires 2 of these dampers for a complete service replacement. Every M007846 we stock at Digiprint USA is 100% genuine original Mimaki — not aftermarket, not compatible. Note: this damper is supplied without the 4 ink inlet joints — joints are available separately (DPS part number PCNMI14113). Supplied without joints — confirm before ordering. This OEM compression damper is supplied without the 4 ink inlet joint connectors. If your existing joints are worn, cracked, or missing, order replacement joints (DPS part PCNMI14113) at the same time. Installing this damper with damaged joints will result in ink leaks at the connection points regardless of the damper's condition. Product Details Specification Detail Mimaki Part Number M007846 (current designation: M027904) OEM status 100% genuine original Mimaki — not aftermarket, not compatible Country of origin Japan Joints included No — supplied without the 4 ink inlet joints (joints: DPS part PCNMI14113, sold separately) Compatible printhead Epson DX7 (Mimaki JV34-260 / TS34-1800A platform) Ink compatibility Eco-solvent (JV34-260) and dye-sublimation (TS34-1800A) Dampers per head 2 per printhead Compatible models Mimaki JV34-260, Mimaki TS34-1800A Replacement interval Replace both at every printhead installation; replace when ink flow symptoms appear Part Number: M007846 and M027904 Part Number Status M007846 Earlier Mimaki designation — still widely referenced in service documentation M027904 Current active Mimaki part number for the same assembly Compatible Printers Mimaki JV34 Series (Eco-Solvent, 102" / 260cm) • Mimaki JV34-260 Mimaki TS34 Series (Dye-Sublimation Textile) • Mimaki TS34-1800A JV34-260 and TS34-1800A — Same Damper, Different Inks The Mimaki JV34-260 is a 102" eco-solvent production printer; the TS34-1800A is a 71" dye-sublimation textile printer. Both use the same Epson DX7 printhead and the same M007846/M027904 compression damper. For mixed-fleet Mimaki operations running both eco-solvent and sublimation machines, this single part covers both platforms. Mimaki DX7 Damper Family Reference Platform Damper Per Head JV34-260 / TS34-1800A (this listing) M007846 / M027904 — Genuine OEM 2 JV34-260 / TS34-1800A M027904 / M007846 — compatible version also stocked 2 JV150 / JV300 / CJV150 / CJV300 M022253 pressure damper assy 4 JV33 / CJV30 / TS3 Different compression damper assembly — Signs Your JV34 Dampers Need Replacing • Banding on specific colour channels — pressure imbalance from a failing damper • Air bubbles visible in the ink supply path • Ink leaking at damper connections — worn joints or O-ring seal failure • Nozzle drop-out returning rapidly after cleaning cycles • Inconsistent ink density across long production print runs JV34 Service Checklist • Compression dampers (this listing) — 2 per head; replace at every printhead installation • Ink inlet joints — DPS part PCNMI14113 (sold separately, 4 per damper set) • Printhead — Mimaki JV34-260 DX7 printhead ID set M010792 • Head data cable — Mimaki JV34 FFC cable (E301141 or equivalent) • Capping station — M007389 (shared with JV33/CJV30/TS3 platform) Why Buy from Digiprint USA • 100% genuine original Mimaki M007846 — not aftermarket, not compatible • In stock in Doral, Miami FL — same day shipping before 2PM EST • Compatible/generic version also available at lower price point if OEM is not required • We also stock the JV34-260 DX7 printhead (M010792) and capping station (M007389) • Ideal for Latin American Mimaki JV34 and TS34 operators using Miami freight forwarders View our full range of Mimaki printer spare parts and maintenance consumables stocked by Digiprint USA. Frequently Asked Questions Why does this damper not include the 4 joints?The M007846/M027904 compression damper is supplied by Mimaki as a standalone damper body — the 4 ink inlet joint connectors that attach the ink tubes to the damper are separate Mimaki parts (DPS reference PCNMI14113). This is Mimaki's standard supply configuration for this damper. If your existing joints are serviceable, you only need to replace the damper body. If joints are worn, cracked, or leaking, order both the damper and the PCNMI14113 joint set at the same time. Is the OEM Mimaki damper worth the premium over the compatible version?For a production JV34-260 or TS34-1800A in daily use, the OEM Mimaki damper provides the exact pressure characteristics, seal material, and membrane compliance specified for the DX7 printhead in this platform. Compatible dampers may vary in membrane stiffness and seal material, which can affect pressure stability at the high print speeds the JV34 operates at. For mission-critical production environments or printhead warranty compliance, the genuine Mimaki part is the recommended choice. For lower-intensity use or cost-managed service operations, the compatible version is a viable alternative. Does M007846 fit the JV33 or JV150/JV300?No. The JV34-260 uses M007846/M027904 (2 per head). The JV33/CJV30 uses a different compression damper assembly (M006579 SP). The JV150/JV300/CJV150/CJV300 uses M022253 (4 per head). These are not interchangeable — confirm your specific Mimaki model before ordering. Do you ship Mimaki JV34 OEM dampers to Latin America?Yes — same day shipping from our Doral, Miami FL warehouse. Ideal for Latin American Mimaki JV34 and TS34 operators using freight forwarders in the Doral area.
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