Vj-1614 Valve Head Assy (Damper) - Dg-41543

The Mutoh VJ-1614 Valve Head Assy Damper (part number DG-41543, new code DG-40711) is the genuine original Mutoh solvent-resistant valve damper assembly for the Epson DX5-based Mutoh ValueJet eco-solvent wide-format printer range. This is a valve-type damper assembly — containing an active valve mechanism alongside the damper membrane — that controls ink flow, prevents backflow, and stabilises pressure between the ink supply system and the DX5 printhead. Compatible with the full Mutoh VJ-1324 through VJ-2638 range and also cross-compatible with Roland VS series printers. Every DG-41543 we stock at Digiprint USA is 100% genuine original Mutoh — not aftermarket, not compatible.

Replace all 4 valve dampers simultaneously at every Mutoh DX5 printhead installation. The DX5 printhead on Mutoh VJ-1614/1624/1638 printers uses one valve damper per ink channel — 4 channels = 4 dampers total. Replacing fewer than all 4 leaves worn assemblies in the ink path that cause starvation, backflow, and air ingestion on the new head, producing the same banding and nozzle drop-out as the original failure. Order 4 units of this listing for a complete head service.

Product Details

Specification	Detail
Mutoh Part Number	DG-41543 (new code: DG-40711 / DH-40834)
Assembly type	Valve Head Assy — active valve mechanism + damper membrane
OEM status	100% genuine original Mutoh
Compatible printhead	Epson DX5 (Mutoh VJ-1614/1624/1638 platform)
Ink compatibility	Eco-solvent / mild solvent
Dampers per DX5 head	4 valve dampers per printhead (one per ink channel)
Roland cross-compatibility	Compatible with Roland VS series printers (Roland ref: PDAVJ161401O)
Replacement interval	Replace all 4 at every printhead installation; replace when ink flow restriction symptoms appear

Part Number Cross-Reference

Multiple Mutoh part number designations exist for this assembly across service documentation and catalogue generations:

Part Number	Status	Notes
DG-41543 (this listing)	Active — primary designation	Original Mutoh part number — most widely referenced
DG-40711	Newer Mutoh code	Updated Mutoh internal designation — same assembly
DH-40834	Newer Mutoh SKU	Alternative current SKU used by some Mutoh distributors
PDAVJ161401O	Roland cross-reference	Roland VS series connector reference — same physical assembly

Compatible Printers

Mutoh ValueJet Series

• Mutoh VJ-1324 / VJ-1324X

• Mutoh VJ-1608 Hybrid / VJ-1608HS

• Mutoh VJ-1614

• Mutoh VJ-1617H

• Mutoh VJ-1618

• Mutoh VJ-1624 / VJ-1624X / VJ-1624W / VJ-1624WX

• Mutoh VJ-1626UH

• Mutoh VJ-1627MH / VJ-1628TD / VJ-1628X

• Mutoh VJ-1638 / VJ-1638W / VJ-1638WX / VJ-1638X / VJ-1638UH / VJ-1638UH-MARKII

• Mutoh VJ-1938WX / VJ-1938TX

• Mutoh VJ-2628TD / VJ-2638 / VJ-2638X

• Mutoh VJ-426UF / VJ-628 / VJ-628X / VJ-628MP

Mutoh XpertJet Series

• Mutoh XPJ-441UF / XPJ-461UF / XPJ-661UF

• Mutoh XPJ-1341SR Pro / XPJ-1462UF / XPJ-1641SR / XPJ-1641SR Pro

• Mutoh XPJ-1642WR Pro / XPJ-1682SR / XPJ-1682SR Pro / XPJ-1682WR

Roland VS Series (Cross-Compatible)

• Roland VS-300 / VS-300i / VS-420 / VS-540 / VS-540i / VS-640 / VS-640i and related DX6-based VS platform models — Roland connector reference PDAVJ161401O

If your Mutoh or Roland VS series model is not listed, contact us to confirm DG-41543 compatibility before ordering.

What Is a "Valve Head Assy" — and How It Differs from a Standard Damper

A standard ink damper is a passive device — a chamber with a membrane and mesh filter that buffers pressure and filters particles. The Mutoh DG-41543 is a Valve Head Assembly — it adds an active valve mechanism to the damper's passive pressure-buffering function. The valve element opens and closes in response to ink demand from the DX5 printhead, actively regulating ink flow rather than simply absorbing pressure passively. This provides two additional benefits over a passive damper: it prevents ink backflow from the printhead to the supply system when the head is idle or during purge cycles, and it allows precise on-demand ink delivery at the high flow rates the Mutoh VJ-1614's production printing speeds require. When the valve mechanism fails — through spring fatigue, seal degradation, or debris blockage — ink backflow, pressure instability, and air ingestion produce complex banding and nozzle loss patterns that a passive damper replacement would not resolve.

Roland VS Series Cross-Compatibility

The DG-41543 is physically and functionally identical to the Roland VS series damper (Roland connector reference PDAVJ161401O, Roland part 1000012719). Roland operators can use the DG-41543 as an alternative to the Roland-branded damper for VS-640, VS-540, VS-300, and related DX6-based VS platform printers. Both Roland 1000012719 and Mutoh DG-41543 are original OEM parts from their respective manufacturers — this cross-compatibility reflects the shared DX5/DX6 printhead platform heritage between Mutoh's VJ series and Roland's VS series. If you have both Roland and Mutoh eco-solvent printers in your operation, this listing covers dampers for both platforms from a single stocked part.

Signs Your Mutoh VJ-1614 Valve Dampers Need Replacing

• Banding or nozzle row loss on specific colour channels — ink starvation or valve failure

• Air bubbles visible in the damper body or ink tubes — valve seal failure allowing air ingestion

• Ink flowing back toward the ink supply system — valve mechanism failure

• Nozzle drop-out returning rapidly after cleaning cycles — continuous air drawn through a failed valve seal

• Pressure instability manifesting as tonal inconsistency across a long print run

Mutoh VJ-1614 Service Checklist

• Valve dampers (this listing) — all 4 per DX5 head at every printhead installation

• Head data cables — 2× 31-pin FFC cables per DX5 head (40cm, same-direction)

• Capping station — replace cap top at every head installation

• Wiper blade — replace with capping station

Why Buy from Digiprint USA

• 100% genuine original Mutoh DG-41543 — not aftermarket, not compatible

• Covers the full Mutoh VJ series from VJ-1324 through VJ-2638X — one stocked part for the complete platform

• Also covers Roland VS series (PDAVJ161401O) — one part for both Mutoh and Roland DX5/DX6 eco-solvent fleets

• In stock in Doral, Miami FL — same day shipping before 2PM EST

• Ideal for Latin American Mutoh service operations and eco-solvent production facilities using Miami freight forwarders

View our full range of Mutoh ValueJet spare parts and maintenance consumables stocked by Digiprint USA.

Frequently Asked Questions

What is the difference between DG-41543, DG-40711, and DH-40834?
All three numbers refer to the same Mutoh valve head assy damper for the VJ-1614/1624/1638 platform. DG-41543 is the original and most widely referenced Mutoh part number. DG-40711 is a newer internal Mutoh code for the same assembly. DH-40834 is an alternative current SKU used by some authorised Mutoh distributors. If your service documentation or prior order shows any of these three numbers, the DG-41543 is the correct part.

Can I use the DG-41543 in a Roland VS-640?
Yes. The DG-41543 is physically and functionally compatible with Roland VS series printers using the DX5/DX6 printhead — Roland lists this same assembly under the connector reference PDAVJ161401O. If you have both Mutoh VJ and Roland VS series printers in your operation, the DG-41543 covers both platforms from a single stocked part.

How many valve dampers does the Mutoh VJ-1614 require?
The DX5 printhead in the VJ-1614 and related Mutoh ValueJet models uses one valve damper per ink channel — 4 channels = 4 valve dampers per head. Replace all 4 simultaneously at every printhead installation. If only some dampers are replaced, the remaining worn valves continue to cause backflow and air ingestion that produce the same print quality failures as before the service.

Do you ship Mutoh VJ-1614 dampers to Latin America?
Yes — same day shipping from our Doral, Miami FL warehouse. Ideal for Latin American Mutoh ValueJet operators, eco-solvent wide-format production facilities, and service centres using freight forwarders in the Doral area.

Tags: Damper , Dg-41543 , Mutoh