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Wood Surface Preparation Determines the Finish

Raw MDF, plywood and coated wood panels do not respond identically to UV ink. Dust, loose fibers, resin, moisture and uneven absorption can affect edge definition, white-ink consistency, adhesion and the final surface appearance.

Before production, identify the board construction and finish, clean and stabilize the printable surface, and confirm whether sanding, sealing or primer is required. A representative panel test should verify color, adhesion, scratch resistance, white-underbase coverage and any varnish effect before the printer configuration is selected.

Request Wood Panel Testing

Wood and MDF production overview

Build Wood Panel Printing Around the Board, Finish and Workflow

Direct UV printing supports compatible MDF, plywood, solid wood and coated decorative boards for customized and repeat production. A useful printer recommendation must account for board construction, surface preparation, dimensions, artwork, ink layers, finishing requirements and realistic output—not simply the word “wood.”

Furniture and cabinet components

Variable graphics and decorative finishes on qualified doors, inserts, drawer fronts and flat furniture parts.

Review the AJ2130G/R

Interior and wall panels

Short or repeat runs of artwork, textures and branded designs on MDF, plywood and coated decor boards.

Review the AJ3220G/R

Wood signs and display pieces

Direct decoration of panels and pre-cut pieces where grain, white ink, edge definition and finish are specified.

Request board testing

High-output panel production

Large-format workflows planned around nesting, print mode, board handling, inspection and downstream finishing.

Review the AJ3220EX

Identify the exact board

Record construction, supplier, grade, thickness, density, coating, face and batch instead of testing an unspecified wood sample.

Control dust and absorption

Standardize cleaning and confirm whether sanding, sealing or primer is needed for the required appearance and adhesion.

Check flatness and safe clearance

Measure warp, raised grain, edges, thickness variation and weight before setting bed support and carriage clearance.

Approve the finished system

Evaluate color, white opacity, grain visibility, adhesion, scratch resistance and any coating or varnish used after printing.

Three current production routes

Match Board Format and Output to the Right Platform

The AJ2130G/R covers the 2100 × 3000 mm class, while the AJ3220G/R and AJ3220EX provide a 3200 × 2000 mm platform at different production levels. Confirm the required ink configuration, board loading plan and achievable output for your artwork before ordering.

Configurable 2.1 × 3.0 m production

AJ2130G/R

Maximum print area
2100 × 3000 mm
Published head option
Up to 8 Ricoh Gen5/Gen6
Published top speed
Up to 31 m²/h
Useful when
A configurable platform is required for mixed board sizes and moderate output.
View AJ2130G/R

Scalable 3.2 × 2.0 m production

AJ3220G/R

Maximum print area
3200 × 2000 mm
Published head option
4 heads standard, expandable to 8
Published 4-color output
Up to 35.88 m²/h
Useful when
Large board compatibility and scalable configuration matter more than maximum speed.
View AJ3220G/R

High-speed 3.2 × 2.0 m production

AJ3220EX

Maximum print area
3200 × 2000 mm
Published head configuration
16 industrial Ricoh printheads
Published top speed
Up to 154.3 m²/h
Useful when
High-volume factories can keep printing, loading and inspection continuously supplied.
View AJ3220EX

Published maximum figures are not a production guarantee. Actual output changes with resolution, pass count, ink coverage, white or varnish layers, board layout, loading, unloading, cleaning, inspection, finishing and operator workflow.

Information for a useful recommendation

Send the Details That Change the Printer Choice

“MDF” or “plywood” and a target speed are not enough for a reliable proposal. Provide these four groups of information so AndresJet can assess board fit, preparation, ink configuration and realistic finished output.

  1. 1

    Board dimensions and handling

    Length, width, thickness, weight, warp, printable face, pieces per bed and whether material arrives as full sheets or pre-cut parts.

  2. 2

    Construction and surface finish

    MDF density or plywood construction, supplier, face veneer, coating, sealer, moisture condition, sanding and permitted pretreatment.

  3. 3

    Artwork and approved appearance

    Coverage, resolution, color target, required grain visibility, white underbase, varnish or texture, viewing distance and durability test.

  4. 4

    Production and site target

    Boards per shift, designs per batch, changeovers, inspection and finishing rate, working hours, available space, power and material flow.

Wood and MDF UV Printer FAQ

Can every type of wood, MDF or plywood be printed with UV ink?

No. Board density, fibers, veneer, resin, moisture, sanding, coatings and contamination can change absorption, appearance and adhesion. Test the actual supplier, grade and printable face after the intended preparation, then approve it against the finished product's requirements.

Does raw MDF need to be sealed or primed before UV printing?

Some raw MDF surfaces absorb ink unevenly or release fibers and dust, while other boards may produce an acceptable result after controlled sanding and cleaning. Compare untreated and suitably sealed or primed samples when necessary. Select the simplest repeatable preparation that achieves the required edge definition, color, adhesion and cost.

When is white ink useful on a wood panel?

White ink can create an opaque underbase when the natural board color would alter the artwork, or it can be printed selectively to preserve visible grain in unprinted areas. White layers add ink and production time, so approve opacity, color, registration and the desired wood appearance with representative artwork.

How should I choose between the AJ2130G/R, AJ3220G/R and AJ3220EX?

Begin with board size, weight, ink layers and the print mode that passes the sample test. The AJ2130G/R provides a configurable 2.1 × 3.0 m route, the AJ3220G/R adds a scalable 3.2 × 2.0 m platform, and the AJ3220EX targets much higher 3.2 × 2.0 m output. Compare complete boards per shift, not maximum square-meter speed alone.

Are UV-printed wood panels suitable for outdoor or high-wear use?

Suitability depends on the board, ink, preparation, moisture exposure, sunlight, abrasion, cleaning and required service life. Define the real end use and test the complete system, including any compatible sealer, topcoat or laminate. Indoor decorative approval should not automatically be treated as outdoor approval.

Open the Wood & MDF Printing Guide Hide the Wood & MDF Printing Guide

From board sample to repeat production

Qualifying a Wood Panel UV Printing Workflow

A commercially useful result combines safe board handling, controlled surface preparation, appropriate ink layers and a production cycle that meets the required output. Use this framework to prepare samples and compare printer configurations.

Separate three decisions before approving the job

Can the board be handled safely?

Confirm dimensions, thickness, weight, warp, raised fibers, edges and bed support. An uneven board must not enter the carriage path or move during printing.

Is the prepared surface printable?

Test the actual face after the intended cleaning, sanding, sealing or primer. Check whether absorption, resin, dust or coatings affect ink laydown and adhesion.

Does the finish meet its end use?

Approve grain visibility, color, white opacity, varnish and resistance to handling, abrasion, cleaning, moisture, light or weather under representative conditions.

Build a repeatable board test

  1. 1

    Identify and label the board. Record supplier, grade, construction, batch, thickness, density, face veneer, coating and print side.

  2. 2

    Measure condition and flatness. Check moisture where relevant, inspect warp and raised grain, and confirm safe head clearance and bed support.

  3. 3

    Prepare the surface consistently. Document sanding grit, dust removal, cleaning, sealer or primer, application amount and required waiting time.

  4. 4

    Print representative artwork. Include gradients, small detail, solid areas, realistic coverage and any planned white or varnish layers using candidate production modes.

  5. 5

    Evaluate the complete finish. Inspect color, grain appearance, adhesion and scratching after the agreed conditioning period and after any downstream topcoat or finishing process.

  6. 6

    Run a timed pilot batch. Include preparation, loading, alignment, printing, unloading, cleaning, inspection and finishing to calculate achievable boards per shift.

MDF details to confirm

  • Standard, moisture-resistant, fire-rated or another specified MDF grade
  • Supplier, density, thickness, batch and moisture condition
  • Raw, laminated, veneered, painted or factory-sealed printable face
  • Loose fibers, dust, edge porosity and sanding requirements
  • Sealer or primer allowed by the board and finishing supplier
  • Required grain-free appearance, opacity and downstream finish

Plywood and solid wood details

  • Species, plywood construction, face veneer, grade and repair patches
  • Knots, grain, resin, sap, sanding and surface contamination
  • Warp, thickness variation and the direction of the printable face
  • Existing stain, oil, wax, sealer, paint or protective coating
  • Whether natural grain should remain visible through the design
  • Indoor, outdoor, decorative, furniture or high-wear end use

Calculate throughput from the complete board cycle

Square-meter speed helps compare print modes, but it does not predict finished boards per shift by itself. Begin with the board layout and artwork coverage, then include resolution, pass count, direction, white or varnish layers, margins and the number of pieces that fit safely on the bed.

Add time for moisture and flatness checks, sanding or sealing, dust removal, staging, loading, alignment, unloading, inspection, artwork changes, finishing and maintenance. A faster printer improves shipped output only when preparation and downstream work can keep pace. Time a representative pilot batch and record every assumption.

Select the platform that delivers an approved finished board at the required rate—not the machine with the highest isolated speed figure.

Information to include in a sample request

Physical board samples

Send representative material from the intended supplier and construction, including the actual face, coating or preparation used in production.

Production artwork

Provide a real file or representative design with intended coverage, color reference, detail, white underbase, varnish and desired grain visibility.

Acceptance criteria

State how appearance, adhesion, scratching, cleaning, moisture, light or outdoor exposure will be evaluated and who approves the result.

Output target

Share boards per shift, pieces per board, designs per batch, operating hours, changeovers, inspection and finishing capacity.