WallNova Printing Technology Co., Ltd.

Quality Control

Quality Control

Quality Is a Process, Not a Slogan

  • 4Control stages
  • CE / RoHSWhere listed
  • Per modelCompliance scope
  • RecordsOrder documentation

Inspection flow

Our Quality Control Process

01

Incoming Component Checks

Relevant incoming components and materials are checked against applicable requirements and specifications.

Depending on the product, incoming checks may cover:

  • Rails and structural parts
  • Printheads
  • Controllers and cables
  • Sensors
  • Displays
  • Power supplies
  • Ink system parts
  • Surface finishes
02

Production Inspection

Monitor assembly, wiring, rail alignment, printhead installation, finishing and workmanship.

Production inspection monitors:

  • Mechanical assembly
  • Electrical connections
  • Rail and carriage alignment
  • Printhead installation
  • Product configuration
  • General workmanship
03

Electrical & Functional Checks

Check power-up, motion, printhead cleaning, display and basic print function, depending on the model.

Depending on model, electrical and functional checks may include:

  • Power-up and voltage range
  • Axis motion
  • Printhead cleaning cycle
  • Display functions
  • Sensor response
  • Basic print function
04

Final Product Inspection

Inspect appearance, configuration, packing list and packaging.

Final inspection reviews:

  • Appearance
  • Assembly
  • Electrical function
  • Product configuration
  • Packaging

Certification depends on the actual product model and target market.

Certification & compliance

Product Compliance Depends on the Model and Market

Different machines may have different requirements based on electrical configuration, ink system, intended use and destination market.

Selected product listings on this site show CE for the machine and RoHS for ink where that information applies to the listed model. One certificate should not be treated as applying to every product.

Before order finalization, confirm:

Support

After-Sales Support

Support can include:

  • Product information
  • Technical communication
  • Troubleshooting
  • Replacement/service discussion according to product, issue, warranty terms and order

Records

Quality Documentation

Depending on the project, documentation may include:

Product specificationsComponent informationInspection recordsProduct manualsCompliance documentationPackaging informationShipping documentation

Documentation must correspond to the actual supplied model.

How we work

Quality Principles

Clear Requirements

Agree specifications before production proceeds.

Consistent Process

Apply incoming, in-process and final checks.

Evidence-Based Compliance

Match documents to the actual model and market.

Pre-Shipment Inspection

Review the finished machine before dispatch.

Long-Term Partnership

Support communication after the order is placed.

Quality Control

Contact Our Team

For wall printers, quality affects print stability, ink delivery, on-site setup, safety and long-term service.