









Compatible Replacement Ink Damper for Roland XJ740
- $1.15
- $1.15
- Unit price
- per
All prices are in USD. Available payment methods and shipping options are shown at checkout based on destination and order details.
Secure payments
Order issue support
Product Details
xBefore payment: Please confirm stock, shipping method, duties, and compatibility with us before payment. Some printer parts, printheads, fluids, and special-order items may require manual confirmation before shipment.
Roland Ink Damper for XJ740 / XJ640 / XC540 / XJ540
The Roland Ink Damper is a vital component for maintaining stable ink flow and protecting printheads in Roland printers. Designed for XJ740, XJ640, XC540, and XJ540 models, this damper ensures smooth ink delivery and may be relevant to ink-path maintenance during high-speed printing.
Features:
- High-quality PP material, durable and corrosion-resistant
- Large internal metallic filter for smooth ink flow and printhead protection
- Compatible with eco-solvent, UV, and water-based inks
- Helps prevent ink starvation during long or high-speed printing
- Easy replacement, cost-effective and long lifespan
Specifications:
- Outer Diameter: 4.28mm
- Inner Diameter: 2.57mm
- Alternative Connector Size: 3.3mm / 1.72mm
- Compatible Models: Roland XJ740, XJ640, XC540, XJ540
- Application: Ink supply system, printhead protection
Package Includes:
1 x Ink Damper for Roland Printers
Roland Ink Damper for XJ740 is offered as a replacement damper for compatible printer maintenance and spare-parts replacement. It is intended for buyers who need to match the correct machine configuration, connector type, and reference part number before installation.
Compatibility
- Printer models referenced in current product data: XJ740
- Confirm the printer model, part number, connector layout, size, and use position before ordering when compatibility is uncertain.
- Part number reference: XJ740
- If your machine has multiple revisions, compare the model-reference part number, connector layout, and mounting position before ordering.
Function and Use Position
- Stabilizes ink pressure before the printhead
- Helps filter micro-particles and reduce bubbles in the ink path
- Supports smoother ink delivery during printing and cleaning cycles
Key Details
| Condition | Replacement |
|---|---|
| Category | Damper |
| Vendor | UV INK PRO |
| Product Type | Damper |
| Part Number | XJ740 |
Ordering Notes
- Replacement status: Replacement.
- Match reference part reference / part number: XJ740.
- Common machine reference found in title or tags: XJ740.
- For electronic parts, motion parts, and fluid-system parts, professional installation is recommended.
Package Includes: 1 × Roland Ink Damper for XJ740
Common Replacement Scenarios
- Replace when colors intermittently drop out, bubbles appear repeatedly, or the printhead side shows unstable ink feeding.
- Inspect this part when the damper body becomes stained, swollen, cracked, or no longer seals reliably.
- On printers with multiple channels, one weak damper can affect daily color consistency even if the printhead is still usable.
Fitment Checklist
- Referenced machine models: XJ740, XJ640, XC540, XJ540.
- Confirm the printhead-side connector, damper shape, and line orientation against the model-reference part.
- Check joint style, filter structure, connector direction, sealing method, and manufacturer reference before final purchase.
Service Pairing Suggestions
- Many buyers inspect cap tops, ink tubes, pumps, and filters at the same time when damper problems appear.
- Use this damper only when the water-based ink path, connector style, and physical size match the reference assembly.
- Professional installation is recommended when the printer uses a sealed manifold or tightly packed multi-channel head carriage.
Shipping & Return
xReturns Policy
Please confirm product model, specifications, and compatibility before ordering. Except where required by applicable law, buyer-side compatibility mistakes generally require review and may not qualify for return, refund, exchange, or compensation.
Printheads, inks, cleaning liquids, electronic boards, and opened or installed items usually require written review before return unless we shipped the wrong item or the goods arrived damaged.
If your order arrives damaged or incorrect, contact us within 72 hours after delivery with photos, package details, and your order number so we can review the case.
Shipping
Shipping time, stock availability, duties, and import charges may vary by product and destination. Available checkout and shipping details are shown before payment when Shopify checkout can calculate them for the destination.
For urgent shipment timing or fitment help, contact us before purchase.