Gloss-Media Colour Label Printing with Precise, On-Demand Control.

Epson C31CK03102BK Colour Label Printer for Gloss-Media Applications The Epson ColorWorks CW-C4000e BK, part number C31CK03102BK, is a compact desktop colour label printer configured with Gloss Black pigment ink.

It is designed for businesses that want to create colour labels on demand, including labels containing product information, branding elements, variable data, barcodes, QR codes and colour-coded information.

Unlike the broader CW-C4000e series page, this page specifically covers the BK / Gloss Black configuration and the considerations involved when choosing it for coated or compatible gloss-oriented label media.

Overview

The CW-C4000e BK combines Epson's PrecisionCore™ inkjet technology with individual pigment ink cartridges and a maximum print resolution of 1200 × 1200 dpi.

With a maximum printable width of 108 mm, the printer can accommodate many common product, packaging, identification and barcode-label formats.

Standard USB and Ethernet connectivity support desktop and network-based installations, while compatible optional wireless connectivity can be considered where required.

An integrated colour LCD and autocutter support day-to-day operation in commercial labelling environments.

Exact Model Identification

Brand: Epson
Product Family: ColorWorks
Series: CW-C4000e
Model Configuration: CW-C4000e BK
Manufacturer Part Number: C31CK03102BK
GTIN: 8715946706542
Black Ink Configuration: Gloss Black
Product Type: Desktop Colour Label Printer

Customers should verify the complete part number before ordering because the CW-C4000e family is also available in a separate Matte Black configuration.

Why the BK Version Matters

The BK designation identifies the Gloss Black ink configuration.

Choosing between Gloss Black and Matte Black should be based primarily on the intended label media rather than treating the two versions as interchangeable.

The BK version may be considered where the selected compatible media and required appearance are better suited to Epson's Gloss Black ink configuration.

Before purchasing, confirm:

• Label face material
• Surface coating
• Gloss or matte finish
• Adhesive requirements
• Required label durability
• Label dimensions
• Environmental exposure
• Barcode requirements

For business-critical applications, testing the intended media is advisable before larger-volume deployment.

Key Features

PrecisionCore™ Printing Technology

Epson PrecisionCore technology supports detailed colour printing of text, graphics and appropriately designed machine-readable codes.

Up to 1200 × 1200 dpi

Higher-resolution printing can be useful for labels containing small text, fine graphical elements or detailed branding.

Gloss Black Pigment Ink Configuration

Part number C31CK03102BK identifies the CW-C4000e configuration using Gloss Black ink.

108 mm Maximum Print Width

Supports a variety of compact and medium-width label applications within the printer's specified media limits.

Individual Ink Cartridges

Individual colour cartridges allow inks to be managed separately rather than replacing a combined multicolour cartridge.

Integrated Autocutter

The built-in cutter can separate supported continuous or compatible label media as required by the configured workflow.

Colour LCD

A 2.7-inch colour display provides printer status and operational information.

USB and Ethernet

Standard interfaces support direct workstation or network integration.

Technical Specifications

Printing Method: PrecisionCore inkjet

Ink Technology: Pigment ink

Black Ink: Gloss Black

Colour Printing: Supported

Maximum Print Resolution: 1200 × 1200 dpi

Maximum Print Width: 108 mm

Maximum Specified Print Speed: Up to 100 mm/sec under specified print settings

Media Feed: Roll and fanfold

Media Types: Continuous media, continuous labels, die-cut labels, black-mark labels and compatible black-mark media

Autocutter: Integrated

Display: 2.7-inch colour LCD

Standard Interfaces: USB, Ethernet

Wireless: Optional with compatible wireless hardware

Printer Language / Integration: ESC/Label and ZPL II emulation

Dimensions: Approximately 310 × 285 × 283 mm

Actual performance depends on media, print quality settings, artwork, software configuration and operating environment.

Product Labelling Applications

The C31CK03102BK can be considered for businesses producing labels such as:

• Product identification labels
• Retail product labels
• Packaging labels
• Barcode labels
• QR-code labels
• Shelf identification
• Inventory labels
• Pharmaceutical identification
• Healthcare workflow labels
• Manufacturing labels
• Logistics identification
• Promotional labels
• Variable-data labels

Suitability should be assessed for the specific application and label material.

On-Demand Product Label Printing

One useful application of the CW-C4000e is producing labels closer to the time they are required.

A single label design can potentially incorporate variable elements such as:

• Product description
• SKU
• Batch information
• Barcode
• QR code
• Colour-coded information
• Product variation
• Graphics
• Pricing information

This can provide businesses with greater control over changing label content.

Whether it provides operational or financial savings depends on the individual workflow, print volume, media cost and existing labelling process.

Barcode & QR-Code Applications

The printer can produce labels containing appropriately designed 1D and 2D codes.

For barcode applications, businesses should evaluate the complete workflow rather than relying only on printer resolution.

Consider:

• Barcode dimensions
• Quiet zones
• Print contrast
• Media surface
• Scanner technology
• Viewing angle
• Intended scanning distance
• Environmental conditions

Production samples should be tested using the barcode scanners that will actually be used in the business.

Retail & Consumer Product Labelling

The CW-C4000e BK can support retail workflows where colour and variable information are required on the same label.

Examples include:

• Product identification
• SKU differentiation
• Promotional information
• Shelf identification
• Variant identification
• Short-run product labels

The printer does not determine whether a label is legally compliant; mandatory product information remains the responsibility of the organisation producing and applying the label.

Manufacturing & Industrial Identification

Manufacturers may use on-demand colour labels to distinguish:

• Products
• Components
• Production batches
• Handling categories
• Inventory groups
• Work-in-progress items

Colour can provide an additional visual identifier alongside text and barcodes.

For labels exposed to chemicals, water, abrasion, heat or outdoor conditions, the complete ink/media combination should be tested for the intended environment.

BS 5609 – Important Buyer Information

BS 5609 should not be interpreted as an automatic certification of every label printed using the CW-C4000e.

Where BS 5609 performance is required, customers should use an appropriately tested combination of:

• Printer
• Ink
• Qualified label media
• Correct print settings
• Required application process

Always verify the relevant media certification and application requirements before use.

Software & System Integration

The CW-C4000e supports Epson's printing environment and integration technologies including ESC/Label and ZPL II emulation.

This can assist businesses migrating from certain existing label-printing workflows.

However, emulation does not mean that every existing template, command, application or printer configuration will operate identically without testing.

Compatibility should be confirmed for the intended:

• Label software
• ERP platform
• POS system
• Warehouse application
• Healthcare application
• Middleware
• Operating system

before deployment.

BK or MK — Which Should I Order?

Choose C31CK03102BK when:

Your selected compatible media and application call for the Gloss Black configuration.

Consider C31CK03102MK when:

Your intended compatible media is better suited to the Matte Black configuration.

The correct decision should be based on media and application requirements rather than simply choosing whichever model is available.

Things to Verify Before Ordering

Please confirm:

• Exact part number: C31CK03102BK
• Gloss Black requirement
• Label material
• Media surface
• Label width and length
• Roll or fanfold requirement
• Barcode requirements
• Required print durability
• USB or Ethernet connectivity
• Optional wireless requirement
• Software compatibility
• Required consumables

This verification is particularly important when replacing an existing industrial or desktop label printer.

Purpose of Use

The Epson C31CK03102BK is intended for organisations that require a compact desktop printer capable of producing variable full-colour labels internally.

It can be considered where businesses need greater control over label content without maintaining a separate pre-printed label design for every product or variation.

Why Choose NEOTECH® UAE?

NEOTECH® supplies barcode, identification, POS and business printing technologies within the UAE.

For this product, we can assist with:

✓ Confirming the exact C31CK03102BK configuration
✓ Understanding BK versus MK differences
✓ Reviewing basic label-media requirements
✓ Connectivity guidance
✓ Barcode scanner compatibility considerations
✓ Related label and identification hardware
✓ Confirming availability before time-sensitive orders

Our objective is to provide enough information for customers to determine whether a product is appropriate before purchasing.

Learn First. Decide Second. Buy Only If It Is Right for Your Needs.

There is absolutely no obligation or pressure to proceed with the purchase with us.

UAE Delivery

NEOTECH® supplies this product within the United Arab Emirates.

Standard Shipping: Free
Order Cut-Off: 2:00 PM GST
Handling: 1–2 business days
Transit: 3–5 business days
Estimated Total Delivery: 4–7 business days

Stock availability should be confirmed for time-sensitive requirements.

FAQ - Epson ColorWorks C31CK03102BK

Q: What is Epson part number C31CK03102BK?
A: C31CK03102BK identifies the Epson ColorWorks CW-C4000e BK desktop colour label printer configured with Gloss Black ink.

Q: What is the difference between C31CK03102BK and C31CK03102MK?
A: C31CK03102BK is the Gloss Black configuration, while C31CK03102MK is the Matte Black configuration. Selection should be based on the intended compatible label media and application.

Q: Can the Epson CW-C4000e BK print product labels and barcodes?
A: Yes. It can produce colour labels containing text, graphics and appropriately designed barcodes. The intended media and barcode configuration should be tested with the actual application before production use.

Helpful Internal Links

• Epson ColorWorks CW-C4000e Series
• Epson Colour Label Printers
• Colour Label Printer Collection

Use the corresponding live NEOTECH® URLs when publishing.

Contact NEOTECH® UAE

NEOTECH®
Operated by NEOLYN TECHNOLOGY LLC

Email: support@neotech.ae

Address:
Store 13, Computer Building
Al Fahidi, Bur Dubai
Dubai 44245
United Arab Emirates

Disclaimer – NEOTECH® UAE

Specifications, supported media, software compatibility, consumables, accessories and package contents may vary by configuration or regional supply.

Print durability and adhesion depend on the selected ink, media, surface, print settings and environmental conditions. Regulatory or industry-specific suitability must be verified for the complete application.

Epson, ColorWorks and PrecisionCore are trademarks or registered trademarks of their respective owners. NEOTECH® is operated by NEOLYN TECHNOLOGY LLC. No manufacturer-authorised reseller or distributor status is claimed unless separately documented.

Please verify the exact part number, label media and application requirements before ordering.

Last Updated: 07 August 2026  (GST, UTC+4)