Cold Foil Press Setup Checklist Before Production

Before a cold foil job goes into production, converters should verify the substrate, UV adhesive, anilox specification, foil roll condition, web tension, UV cure and first-run transfer quality. This checklist helps press teams catch common setup problems before they become waste, delays or failed customer proofs.

What should be checked before cold foil production?

Before cold foil production, check substrate surface energy, UV adhesive compatibility, anilox volume, foil roll width and unwind direction, web tension, nip pressure, UV curing energy, registration, first-run transfer quality and adhesion. A short press trial should confirm clean transfer, no pinholes, no ghosting, no wrinkles and acceptable rub resistance.

If you are new to the process itself, read the cold foil stamping process step by step first, then use the table below as the pre-production sign-off sheet.

Press setup checklist table

Technical comparison table

Checklist item	What to verify	Why it matters	Pass condition	If it fails
Substrate surface	Grade, coating, corona level, varnish and ink compatibility	Surface energy and absorbency drive transfer and anchorage	Matches the approved substrate used in trials	Re-test on the exact production stock before scheduling
UV cold foil adhesive	Grade, batch, viscosity and open time	Adhesive laydown controls transfer sharpness	Within the adhesive supplier's recommended range	Confirm the grade with your adhesive, foil and press supplier
Anilox roller	Volume, cell condition, cleanliness, screen count	Under- or over-transfer of adhesive causes voids or squeeze-out	Clean cells, volume matching the approved setup	Clean or swap the roll and repeat the transfer test
Foil roll width and slit quality	Width against image area, clean slit edges	Poor edges shed dust and cause web breaks	Straight, dust-free edges with correct width	Reject the roll and quarantine the batch
Foil unwind direction	Coated side facing the substrate	Reversed unwind gives zero or partial release	Matches the roll label and press threading diagram	Re-thread before running further material
Foil tension	Unwind, nip and rewind tension balance	Uneven tension causes wrinkles and registration drift	Stable readings at target speed	Reduce speed and rebalance tension zones
Nip pressure	Even pressure across the web width	Uneven nip gives partial or patchy release	Uniform transfer edge to edge	Re-set the nip and re-run a short test
UV lamp condition	Hours logged, reflector and quartz cleanliness	Aged lamps cut cure energy without warning	Lamps within logged service life	Clean or replace and re-verify cure
Curing energy	Dose at target speed	Under-cure leaves tacky adhesive; over-cure can embrittle	Cure confirmed by adhesion and rub tests	Adjust dose or speed with supplier guidance
Registration	Adhesive image to downstream print register	Misregister shows immediately on metallic areas	Stable register through the trial length	Stop, correct and re-approve before continuing
First 50-100 metre test run	Transfer quality across the full width	Most defects appear in the first minutes	Clean, complete transfer with no repeats of a defect	Diagnose before consuming more foil
Adhesion check	Tape and peel behaviour on production stock	Predicts field failure and converting damage	No lift on the agreed test method	Review adhesive, cure and substrate together
Rub and scuff check	Surface resistance after cure and cooling	Protects the job through converting and shipping	Meets the brand's agreed rub standard	Re-check cure, then consider an overprint varnish
Final approval sample	Signed sample retained with the job	Removes ambiguity in later reruns	Dated sample stored with the job folder	Do not release the job to full production
Documentation	TDS, SDS, COA and setup notes on file	Supports reruns, audits and customer questions	Complete document set archived	Request missing documents from the supplier

Substrate and surface preparation

Substrates behave very differently under a metallic transfer. Coated papers and cast-coated labelstock hold the adhesive on the surface, which usually gives crisp edges. Uncoated papers and boards absorb part of the adhesive, so laydown and cure often need adjusting. Films such as BOPP, PE and PP depend on surface energy and treatment level rather than absorbency, and treatment decays in storage.

Check three things on every new stock: coating or treatment level, the age of the material, and any varnish or ink that sits under the decorated area. Inline finishing over a wet-trap ink film behaves differently from decorating bare stock. If the job runs on filmic labelstock, the notes in our guide to cold foil on BOPP labels cover treatment and dyne checks in more detail.

Where a brand approves a design on one stock and later switches supplier or grade, treat it as a new setup. A grade change is the single most common reason a repeat job fails a QC check that passed the first time.

UV adhesive and anilox setup

Transfer quality is decided mostly at the adhesive station. The anilox volume sets how much adhesive reaches the substrate, cell condition decides whether that volume is delivered evenly, and viscosity and press speed change how the film levels before the nip. Cure then locks the result. Too little energy leaves tack and poor rub resistance; too much can make the layer brittle at fold lines.

Work from the supplier's data rather than from memory. Our UV cold foil adhesive setup page explains the variables to record, and the technical datasheets and documentation library holds the grade-specific figures for CFS materials. For an overview of how the stations interact on press, see our cold foil stamping technology page.

“Setup notes: use the adhesive supplier's recommended range; keep anilox and plate condition consistent during testing; and record the exact setup used for approved customer samples so a rerun starts from a known state.

Changing two variables at once is the fastest way to lose a day. Adjust one — anilox, viscosity, speed or dose — and re-run a short strip before moving on.

Foil roll handling and web tension

Rolls should arrive with clean, square edges and no telescoping. Inspect the core, the edges and any splices before threading, and confirm the coated side faces the substrate. A roll threaded the wrong way round produces no release at all, which operators sometimes misdiagnose as an adhesive fault.

Tension is the second recurring problem. Unwind, nip and rewind zones must be balanced at the speed you intend to run, not just at crawl speed. Loose tension causes wrinkles and creases; excessive tension stretches the carrier, narrows the web slightly and shows up as registration drift over a long run. Splices should be flagged so operators expect the short defect that follows.

Storage matters too. Keep rolls upright or suspended, away from heat and direct sunlight, in their original packaging until use — the practical limits are covered in our notes on cold foil storage and shelf life.

First test run and quality checks

Run 50 to 100 metres before committing the job. During that trial, look for:

• clean, complete metallic transfer across the full width
• no pinholes in solid areas
• no ghosting or shadowing next to heavy coverage
• no missing areas at the edges of the image
• no foil dust on the web, rollers or nip
• no wrinkles or creases in the carrier
• stable registration from start to finish
• acceptable adhesion on the production substrate
• acceptable rub and scuff resistance after cure

Two of these deserve a formal method rather than a visual opinion. Adhesion should follow a written procedure — our cold foil adhesion test method for labels sets out tape, rub and peel checks. When a defect repeats at a fixed interval, work through the cold foil troubleshooting guide before changing multiple settings.

What information should buyers send before asking for setup support?

Most setup questions can be answered quickly when the request includes enough detail. Send:

• substrate type, grade and supplier
• label or carton application and end use
• press type, make and web width
• printing process and station layout
• adhesive type and grade
• anilox specification and current condition
• foil colour or effect required
• target running speed
• artwork coverage and smallest detail size
• photographs of any defect, with the web direction marked
• expected order volume and rerun frequency
• required documents such as TDS, SDS or COA

Cold Foil Press Setup Checklist

Print this block or copy it into the job folder. Every line should be signed off before the press runs saleable product.

• Substrate confirmed
• Adhesive confirmed
• Anilox confirmed
• Foil roll width confirmed
• Unwind direction confirmed
• Web tension stable
• UV lamp checked
• Cure verified
• First-run transfer approved
• Adhesion checked
• Rub and scuff checked
• Approval sample archived
• Setup notes recorded

A completed sheet is also the fastest way to answer a customer question three months later, and it makes a rerun a repeat rather than a re-development.

FAQ

Frequently asked questions

What causes poor cold foil transfer during setup? +

The usual causes are insufficient or uneven adhesive laydown, an anilox with blocked or worn cells, incorrect cure energy, unbalanced web tension, uneven nip pressure, a reversed foil roll, or a substrate whose surface energy or coating differs from the one used in trials. Change one variable at a time and re-test on a short strip.

How do I know if the UV adhesive is the problem? +

Isolate it. Run the same foil and substrate with a known-good adhesive setup, or run the suspect adhesive on a substrate that has already transferred cleanly. If transfer improves with the reference setup, the adhesive grade, viscosity, laydown or cure is the variable to correct. Check the datasheet range before adjusting anything on press.

What should be checked before increasing press speed? +

Confirm that tension stays stable, that cure energy still meets the adhesion and rub standard at the higher speed, and that registration holds. Cure dose falls as speed rises, so re-run the adhesion and rub checks at the new speed rather than assuming the earlier result carries over.

Can one cold foil setup work for every substrate? +

No. Coated paper, uncoated paper, board and filmic labelstock differ in absorbency and surface energy, so adhesive laydown and cure usually need adjusting. Treat every new grade, and every supplier change on an existing grade, as a fresh setup with its own trial and approval sample.

When should I request a sample kit before production? +

Request samples whenever the substrate, effect or press configuration is new to you, or when a brand is approving a finish for the first time. Testing shades and transfer behaviour on your own stock before quoting avoids surprises during the production window.

What documents should be requested before approving a cold foil job? +

Ask for the technical datasheet, safety data sheet and, where the customer requires it, a certificate of analysis for the supplied batch. Keep them with the signed approval sample and the recorded press settings so reruns and audits can be answered from one folder.

Need help setting up a cold foil job?

Send your substrate, press type, adhesive, anilox details, foil effect and defect photos. CFS can help review the setup and recommend suitable cold foil samples for testing.