Marking difficult surfaces - also round, curved or coated
Direct marking on challenging materials - without labels and without stationary systems.
Round, glossy, coated or uneven surfaces place high demands on labeling. Labels hold poorly, stationary systems are inflexible. With mobile REINER marking solutions, even difficult surfaces can be marked flexibly and in a controlled manner - tailored to the material and ink.

Hurdles in the marking of difficult surfaces
Why standard solutions are often not enough

Not every surface is smooth and easy to print on. Particularly curved, coated or sensitive materials require precise print release and the right ink formulation.
Typical requirements
-
Clear marking on round or curved surfaces
-
Adhesion to smooth or glossy surfaces
-
Marking on coated materials
-
Uniform imprint on uneven structures
-
Small or limited print areas
-
Flexible adaptation for changing surfaces
Typical challenges
-
Clear marking on round or curved surfaces
-
Adhesion to smooth or glossy surfaces
-
Marking on coated materials
-
Uniform imprint on uneven structures
-
Small or limited print areas
-
Flexible adaptation for changing surfaces
Impression examples on difficult surfaces
Use cases from practice

Batch on glass bottle
Direct printing on round surfaces - suitable for MHD, batch or production data.

Direct printing on round stainless steel
Legible marking on reflective, slightly curved metal surfaces - for type plates, serial numbers or production codes.

Marking on cans & curved metal surfaces
Batch and date marking directly on domed can bases - can be used flexibly in the production or storage process.

Precision printing on small surfaces
Clean labeling on limited surfaces
Why direct marking instead of labels for difficult surfaces?
Technology Advantages
The right combination of printing technology and ink is crucial for difficult surfaces. Mobile marking enables flexible adaptation to geometry and material.
Classic solution
REINER labeling
Labels come off on round surfaces
Smudge-proof imprint
High material consumption
Less waste as no carrier material is required
Problems with heat or humidity
Good adhesion even in cold or damp conditions
uneven placement
Repeatable impressions possible
Stationary systems necessary
Mobile devices enable flexible working
Practical example
Applications, experiences, and tips
A medium-sized manufacturer of canned food from Lower Saxony produces soups and ready meals in metal and composite cans. The previous solution was based on labels or pre-printed packaging units. The company then opted for the jetStamp® 990 for mobile direct marking. The device is used to print BBD and batch information directly onto the cans.
Result:
- Elimination of additional labels
- Greater flexibility with changing batches
- Reduced use of materials
- Clear and permanent labeling
- More efficient processes for special productions

Labeling in practice
Applications, experiences, and tips

March 18, 2026 |
Marking metal housings in electronics production
Case Study

January 8, 2026 |
Label laboratory samples directly from SAP
Case Study

6. February 2026 |
Direct printing on lids and closures
Case Study

20. February 2026 |
Direct marking on glass packaging
Case Study

July 8, 2025 |
Direct printing instead of labels: traceability reliably implemented on foam
Case Study
Suitable devices for difficult surfaces
Our solution
Our mobile inkjet printing systems are suitable for demanding surfaces - ideal for metal, glass, wood, plastic or cardboard.

jetStamp® 1025 sense
Scanning, processing and labeling with difficult surfaces
The jetStamp 1025 sense combines scanner and direct printing in one device. Difficult surfaces can be scanned directly, processed and then automatically printed on the surface - ideal for efficient and reliable marking processes.
✓ Integrated scanner for codes and data
✓ Print height up to 25 mm (can be extended to 52 mm)
✓ Automated labeling after data acquisition
✓ Ideal for traceability and process reliability

jetStamp® 1025
Precise marking on difficult surfaces
The jetStamp 1025 enables reliable marking directly in the production process. Codes, serial numbers or batch information are applied cleanly - even on smooth or coated surfaces.
✓ Print height up to 25 mm (can be extended to 52 mm)
✓ Graphics and variable content (text, barcode, date)
✓ Ideal for serial numbers and traceability
✓ Mobile or stationary use
Test the labeling on your material
Send us a sample or describe your application - we will test the labeling and recommend the right setup.
Suitable applications for Difficult surfaces
Discover more







