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About Us

100% inline inspection while printing

BLC Print Inspection System

Bring printing, inspection, traceability and compliance into one workflow so manufacturers can intercept barcode, OCR, serial and label issues before they leave the line.

  • Barcode readability verification, barcode grading, OCR/OCV, template comparison, duplicate/missing code and database validation
  • Designed for UDI, medical, automotive, electronics, food, logistics, new energy and export label workflows
  • Compatible with Zebra, TSC, SATO and Epson industrial printers with integration in as little as 10 minutes

Typical goals: less manual recheck, lower rework risk, better compliance, and searchable image evidence.

BLC print inspection system device
BLC with Zebra ZT610 printer
BLC with Zebra ZT510 printer
BLC with Zebra ZT411 printer
BLC with Zebra ZT231 printer
BLC product thumbnail
Zebra ZT610 thumbnail
Zebra ZT510 thumbnail
Zebra ZT411 thumbnail
Zebra ZT231 thumbnail

Quick Overview

Why do manufacturers deploy BLC first?

BLC is more than an extra inspection device. It moves label risk to the printing station and automatically captures, judges and archives each label before it leaves the line.

For companies with UDI, export compliance, customer acceptance rules, serial tracking or RFID consistency requirements, BLC upgrades manual spot checks into a stable inline inspection process.

  • Lower inspection cost and reduce manual sampling and rework
  • Protect label quality and avoid customer rejection caused by wrong, missing or duplicate codes
  • Catch print defects, barcode issues and data anomalies at the source
  • Keep image evidence for audit, anti-counterfeit and traceability workflows

100% Inline Inspection

Inspect every label from first to last.

10-Minute Integration

Fast deployment with minimal printer changes.

ISO Grade Verification

Supports 1D/2D barcode grading.

RFID / MES Ready

Built for database comparison, MES and RFID extension.

0%

Reduce data errors by validating printed content against what the customer expects.

30%

Reduce manual inspection effort, typically saving more than 30% of checking workload.

100%

Improve barcode compliance by grading labels against defined quality requirements.

6 Months

Accelerate ROI with a deployment path that can pay back in as little as 6 months.


Functional Advantages

Key strengths of the BLC print inspection system

BLC inline print inspection system
  • Inspect every label from the first to the last without losing any label content.
  • Supports label lengths from as short as 6mm up to 335mm, as long as the printer can handle the format.
  • Performs 1D and 2D barcode grading according to ISO15416 and ISO15415 standards.
  • While inspecting, the printer function is not compromised. It supports multiple printing modes of the printer: rewind, peel, tear, label mode, etc.
  • Runs inline with printing without slowing down high-speed production.
  • Integrated software and hardware architecture combines synchronizer and sensor functions for installation in as little as 10 minutes.
  • Supports duplicate, missing and extra code detection, database comparison, date/time confirmation and serial verification rules.
  • Offers multiple alarm actions including printer pause, alarm light, on-screen warnings and custom notifications.
  • Saves each label as a distortion-free image for anti-counterfeit, anti-diversion and audit workflows.
  • Can be extended with RFID reading to verify visible label content against RFID data content.

Want to confirm whether BLC fits your current labels, printers and workflow?

We can quickly evaluate printer model, label size, barcode format, OCR fields, UDI or RFID requirements, and MES integration needs to recommend a practical fit.

Technical Specifications

BLC B406 BLC B412 BLC B606
CIS acquisition resolution 600dpi 1200dpi 600dpi
Support the detection of one-dimensional barcode resolution 4mil 2mil 4mil
Support the detection of two-dimensional barcode resolution 7mil 3mil 7mil
Support barcode system All standard one-dimensional and two-dimensional barcodes
Support barcode direction omnidirectional
Minimum font supporting OCR and OCV 5pt. 2.5pt. 5pt.
Font types supporting OCR and OCV Main standard printing fonts: English, numbers, characters, simplified Chinese, traditional Chinese Optional: Korean, Japanese, Hindi, Latin, Russian
Maximum detection speed 18 inches (457.2mm)/second 18 inches (457.2mm)/second 6inches (152.4mm)/second
Maximum detection label length 600dpi colour 355mm、 1200dpi colour 177mm
600dpi monochrome 1065mm、1200dpi monochrome 532mm
Minimum detection label length 6mm 3mm 6mm
Maximum detection label width 108mm 108mm 180mm
Minimum detection label width 10mm
Maximum label thickness 0.28mm
Minimum label thickness 0.05mm
Barcode level verification According to thestandards of lS015416 and lS015415, performbarcode levelverification andgrading for one-dimensional and two-dimensional barcodes(For reference only)
RFID Label Verification Frequency Support: UHF 860MHz-960MHz; Protocols Supported: UHF EPC Gen 2 V2, ISO/IEC 18000-6C、ISO/IEC 18000-63, and RAIN RFID Protocol ISO 18000.
Compatible printer model ZEBRA ZT610、ZT620、ZT510、ZT411、ZT421、ZT231、ZE511、ZE521、 TSC MH series、SATO CL4NX,CL4NX Plus、Epson CW-C6530P/A、CW-C6030P/A、Epson TM-C7520G、Epson TM-C3520
Support label types Gap, black line, continuous
Support print mode Built-in Rewinder、Peel Off、Tear Off、Cutter、Labeling
Communication mode Gigabit wired Ethernet
IO output interface 8 outputs, 4 inputs
Work environment Temperature: 32 ° - 104 ° F/0 ° - 50 ° C, humidity: 30% - 75% RH, non-condensing
Software installation environment 12th generation Intel ® Core ™ I7 or above, memory 16GB or above, SSD hard disk available space 50GB or above, at least one independent gigabit network port for BLC detection system use, display 1280 * 800 or above, operating system Windows ® 7 or Windows ® 10 or Windows ® 11 64 bit
Software optional functions Basic
1、Create Inspection Template In WYSIWYG: Establish inspection template files in a WYSIWYG (What You See Is What You Get) manner. The user interface is very friendly, making it convenient and quick to master.
2、Supports Two Levels Of Alarms: NG And Warning: Supports setting alarm standards separately for Warning and NG (No Good), providing early warnings before serious issues occur.
3、ISO Barcode Verification: Grades barcodes according to ISO/IEC 15416 and ISO/IEC 15415 standards. Note: The grading results are for reference only.
4、GS1 Barcode Content Separation: Differentiates barcode content according to GS1 standards, capable of parsing various AI (Application Identifier) fields.
5、OCR/OCV Inspection: Supports OCR (Optical Character Recognition) and OCV (Optical Character Verification) for English, numbers, symbols, Simplified Chinese, and Traditional Chinese. Option to support additional languages such as Korean, Japanese, Latin, Russian, etc.
6、Supports Multi-Column And Multi-Row Labels: Supports inspection of labels with multiple columns and rows.
7、Duplication Check (Single Printer): Checks whether any area of the label has duplicate printing content and allows setting of the inspection time range.
8、Sequence Check: Verifies if the content in any area of the label complies with a set sequence number rule, supporting highly complex rule settings.
9、Using Regular Expressions To Validate Data: Validates content in any area of the label against set regular expressions.
10、Using Data Validation In Excel/CSV/TXT/DBMS: Checks if the content in any area of the label is consistent with the master data file, which can be from Excel/CSV/TXT/DBMS.
11、Field Matching: Checks if the content in any two or more areas of the label matches.
12、Support Database Systems: Supports various mainstream database systems, such as SQL Lite, MS SQL Server, MySQL, ODBC, etc.
13、Data Save: Supports saving all inspection records and logs to a database.
14、Label Image Save: Supports storing the original image of each label and inspection snapshots, with an option to save only the images for NG and Warning.It is possible to set the sequence number field on the label as the image file name.
15、Reporting: Supports generating inspection records and batch reports in Excel or PDF format, and allows uploading an Excel file as the report template.

Starter
16、1D/2D Barcode Blemish Check: Inspects for blemishes on 1D and 2D barcodes, including white spots, dirt, missing parts, print head pin breakage, ribbon wrinkles, etc.
17、Image Comparison: Compares the pattern on the label with a standard pattern.
18、Inspect Dirt On The Label: Checks if there is dirt and dirt caused by ribbon wrinkles in the non-printing areas of the label.
19、Make Label Image Position Correct: Eliminate image position offsets caused by the high-speed movement of the label during capture.
20、Check The Position Of Printed Content: Verify whether the printed content is at the correct position on the label.
21、C# Script: Supports using C# scripts to implement more complex content checks.

Professional
22、Multiple Users and Permissions: Supports the creation of multiple users and user groups, with the ability to set distinct permissions for each user and user group.
23、Variable English and Number Character Blemish Check: Inspects for blemishes (including white spots, dirt, missing parts, print head pin breakage, ribbon wrinkles, etc.) on variable content characters on the label. This function is used when standard image comparison methods fail to meet inspection requirements.
24、Missing Label Ignored: Recognizes that label printers can often bypass missing labels without pausing when printing smaller labels, thus supporting a setting in the BLC Label Inspection System to not alarm and not affect subsequent label inspections.
25、Table Line Check: When it is necessary to inspect table lines on a label, this function is far superior to using graphic comparison.
26、Duplication Check (Multiple Printers Or Sites): Checks whether any area of the label has duplicate printing content (can check between multiple printers) and allows setting of the inspection time range.

Automation
27、MES System Integration: Integrates data and control with the customer's MES (Manufacturing Execution System). The MES system can control the BLC Label Inspection System and transmit data for label inspection via Drop File or WebAPI, and can obtain the inspection results for each label.
28、Colour Camera: Turn on the colour camera function to obtain colour images of labels.
29、Label Color Check: Checks if the color of a specified area on the label matches the standard color.
30、Linking Multiple Cameras To One Computer: Allows control of multiple cameras with one computer. Only one instance of the BLC Label Inspection System needs to be launched, and each camera's interface can be displayed on different monitors for easy observation and monitoring.
31、NG label reprint (only available in the Bartender automation version or higher): It can be integrated with Bartender, and for scenarios where labels are printed through Bartender, the BLC system can easily detect NG labels and reprint them.

Enterprise
32、Active Directory Integration: Integrates with Active Directory account systems, allowing login to the BLC Label Inspection System with a single account.
33、Global Inspection Template Share: Supports using the same inspection template file from a shared directory across multiple cameras, ensuring that each camera uses the same inspection standards for labels.
34、Data & Image Centralized Storage: Allows centralized uploading of inspection data and label images generated by each camera to a server, with the data synchronization process being automatic.
35、Query Data Via WEB:View all inspection records and label images through the browser.
36、NG label automatic destruction and reprinting: When NG labels appear, they are automatically destroyed and then reprinted.
37、Single template multi-layer inspection:When printing a set of labels with different typesetting styles in succession, only one BLC template is needed for inspection.
38、RFID Label Inspection: Compares the visible content and written EPC content on RFID labels to eliminate common issues of omitted or incorrectly written EPC content in RFID label printers(Requires use with BLC RFID inspection kit).

39、Enterprise Barcode Reading Capability(Need to purchase separately)Provides stronger and faster barcode decoding capability, suitable for scenarios requiring decoding of particularly small barcodes or particularly fast decoding speed.

Which companies should prioritize BLC first?

If your labels must do more than print, and also need to satisfy customer acceptance, regulatory compliance, serial traceability or audit evidence requirements, BLC is often the fastest place to create value.

01

High Compliance Pressure

UDI, medical devices, export labels, customer receiving rules or government regulations require stable compliant output.

02

Complex Label Rules

You need barcode, OCR, date, serial, database matching, multilingual content or RFID consistency checks in one label flow.

03

High Manual Inspection Cost

The current process depends on spot checks, rechecking and rework, but still cannot cover every label reliably.

04

Strong Traceability Needs

You need image evidence for audit, anti-counterfeit, complaint analysis and supply-chain traceability.

If you already know your printer model, label size and inspection rules, we can narrow the recommendation faster.

Send us your printer model, sample labels, barcode rules or compliance requirements and we can help identify a suitable BLC model and software package.

Industry Solutions

BLC is valuable not only because it inspects labels, but because it helps different operations pass customer acceptance, regulatory review and internal traceability checks more reliably.

Warehousing and logistics

Ensure that the shipping label of the product meets the requirements and is photographed and saved for later audit and tracing

Learn more

Food and beverage

Ensure that the product is accurately marked with the production date and expiry date in the production process and conforms to the food safety specifications

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Chemical industry and cosmetics

Ensure that the labels of chemical products comply with industry standards and eliminate the risk of claims caused by label problems

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Automobile main engine factory and parts factory

Ensure that each label conforms to the receiving requirements of the main engine factory and will not cause product rejection due to label errors

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Tire manufacturer

Ensure that the vulcanization label on each tire is free of duplicate code and wrong code, and can be well identified and tracked

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Manufacture and assembly of electronic products

Ensure that the labels of all components on each 3C product are compliant and can be quickly read at any maintenance link

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Medical devices and vaccines

Ensure that the labels of medical devices comply with UDI and other relevant government requirements, and do not make the products unable to be marketed due to non-standard labels

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New energy and materials

Ensure that the label conforms to the customs specifications of the importing country, and will not cause huge losses due to the error of the label during the inspection of all links of export

Learn more

Success Cases

From electronics manufacturing to medical devices, BLC usually creates value by reducing manual inspection, rework, rejection risk and compliance exposure, not just by adding one more feature.

1 Operator, 3 Printers

Typical deployments can significantly reduce repetitive checking and free operator capacity.

100% Label Inspection

Upgrade spot checks to full inspection and reduce the chance of faulty labels leaving production.

Stronger Traceability

Keep inspection records and image evidence for audit, root-cause review and customer communication.

View details
Manufacturing

Bosch Auto Parts Improves Faulty Label Detection with BLC

Bosch Automotive in Changsha, China (BA) is a subsidiary of Bosch. BA is a tier-one supplier to automobile manufacturers and manufactures components such as generators, radiators and seat adjustment systems. In 2022, BA was the first smart manufacturer to become the "Lighthouse" factory in the province of Hunan.

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Medical Devices

Hunan Vathin Meets UDI Requirements with BLC

Hunan Vathin Medical Instrument is a leader in development, manufacturing and sales of single-use endoscopy devices. The products are used in respiratory, urology and colorectal applications. Over the years, it has established strategic partnership with major corporations across the globe, the devices are sold to developed markets such as USA, Germany, Japan, France, UK and Australia.

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New Energy

Jinko Solar Enables Reliable Serialized Item Management

Jinko Solar (JS) is a well-known solar technology company providing photovoltaic products and clean energy solutions worldwide. With thousands of customers globally and strong serialized traceability requirements, the business needed a more reliable way to control label data quality at scale.

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Supported Printers

BLC has been adapted to multiple Zebra and TSC industrial printers. If you already have printers on site, we can evaluate a reuse-first integration approach around your current models.

Model BLC B-ZT6126/B-ZT6136/B-ZT6166
Original model of printer ZEBRA ZT610 203dpi/300dpi/600dpi
Printer picture
Maximum print width 4.09"/104 mm
Upper limit of printing speed 14 ips/Per second 356 mm (203 dpi)
12 ips/Per second 305 mm (300 dpi)
6 ips/Per second 152 mm (600 dpi)
Print resolution (dpi) 203 dpi/Per millimeter 8 dpi
300 dpi/Per millimeter 12 dpi(Optional)
600 dpi/Per millimeter 24 dpi(Only ZT610 Optional)
Size Length 19.88 "/505 mm
Width 10.56"/268.2 mm
Height 15.58 "/395.68 mm
Weight 50 lbs/22.7 kg
Model BLC B-ZT5126/B-ZT5136
Original model of printer ZEBRA ZT510 203dpi/300dpi
Printer picture
Maximum print width 4.09"/104 mm
Upper limit of printing speed 14 ips/Per second 356 mm (203 dpi)
12 ips/Per second 305 mm (300 dpi)
Print resolution (dpi) 203 dpi/Per millimeter 8 dpi
300 dpi/Per millimeter 12 dpi(Optional)
Size Length 20.17"/512.3 mm
Width 10.56"/268.2 mm
Height 15.58"/395.68 mm
Weight 50 lbs/22.7 kg
Model BLC B-ZT4126/B-ZT4136/B-ZT4166
Original model of printer ZEBRA ZT411 203dpi/300dpi/600dpi
Printer picture
Maximum print width 4.09"/104 mm
Upper limit of printing speed 14 ips/Per second 356 mm (203 dpi)
12 ips/Per second 305 mm (300 dpi)
6 ips/Per second 152 mm (600 dpi)
Print resolution (dpi) 203 dpi/Per millimeter 8 dpi
300 dpi/Per millimeter 12 dpi(Optional)
600 dpi/Per millimeter 24 dpi(Only ZT411 Optional)
Size Length 19.5"/495 mm
Width 10.6"/269 mm
Height 12.75"/324 mm
Weight 36 lbs/16.33 kg
Model BLC B-ZT2316/B-ZT2326
Original model of printer ZEBRA ZT231 203dpi/300dpi
Printer picture
Maximum print width 4.09"/104 mm
Upper limit of printing speed 12 ips/Per second (203 dpi)
8 ips/Per second (300 dpi)
Print resolution (dpi) 203 dpi/Per millimeter 8 dpi
300 dpi/Per millimeter 12 dpi(Optional)
Size Length 17"/732 mm
Width 9.5"/241 mm
Height 11"/279 mm
Weight 20 lbs/9.1 kg
Model BLC B-ZE5126/B-ZE5136/B-ZE5166
Original model of printer ZEBRA ZE511 203dpi/300dpi/600dpi
Printer picture
Maximum print width 4.09"/104 mm
Upper limit of printing speed 18 ips/Per second 475 mm (203 dpi)
14 ips/Per second 365 mm (300 dpi)
6 ips/Per second 152 mm (600 dpi)
Print resolution (dpi) 203 dpi/Per millimeter 8 dpi
300 dpi/Per millimeter 12 dpi(Optional)
600 dpi/Per millimeter 24 dpi(Optional)
Size Length 14.9"/379 mm
Width 9.6"/245 mm
Height 11.8"/300 mm
Weight 32.5 lbs/14.7 kg
Model BLC B-ZT6226/B-ZT6236
Original model of printer ZEBRA ZT620 203dpi/300dpi
Printer picture
Maximum print width 6.6"/168 mm
Upper limit of printing speed 12 ips/Per second 305 mm (203 dpi)
8 ips/Per second 200 mm (300 dpi)
Print resolution (dpi) 203 dpi/Per millimeter 8 dpi
300 dpi/Per millimeter 12 dpi(Optional)
Size Length 19.88"/505 mm
Width 13.44"/341.45 mm
Height 15.58"/395.68 mm
Weight 57.4 lbs/26 kg
Model BLC B-ZT4226/B-ZT4236
Original model of printer ZEBRA ZT421 203dpi/300dpi
Printer picture
Maximum print width 6.6"/168 mm
Upper limit of printing speed 18 ips/Per second 475 mm (203 dpi)
14 ips/Per second 365 mm (300 dpi)
Print resolution (dpi) 203 dpi/Per millimeter 8 dpi
300 dpi/Per millimeter 12 dpi(Optional)
Size Length 19.5"/495 mm
Width 13.25 "/336 mm
Height 12.75"/324 mm
Weight 40 lbs/18.14 kg
Model BLC B-1136/B-1166/B-1726/B-1736
Original model of printer ZEBRA 110Xi4 / 170Xi4
Printer picture
Maximum print width 110Xi4:4.09"/104 mm
170Xi4:6.6"/168 mm
Upper limit of printing speed 14 ips/Per second 365 mm (203 dpi)
12 ips/Per second 305 mm (300 dpi)
6 ips/Per second 152 mm (600 dpi)
Print resolution (dpi) 203 dpi/Per millimeter 8 dpi
300 dpi/Per millimeter 12 dpi(Optional)
600 dpi/Per millimeter 24 dpi(Optional)
Size 110Xi4:517mm/261mm/393mm
170Xi4:517mm/338mm/393mm
Weight 110Xi4:22.7 kg
170Xi4:30.5 kg
Model B-MH2416/3416/6416/64112
Original model of printer TSC MH241/MH341/MH641
Printer picture
Maximum print width 4.09"/104 mm
Upper limit of printing speed MH241:14 ips/Per 356 mm (300 dpi); MH341:12 ips/Per 305 mm (300 dpi);MH641:6 ips/Per 152 mm (600 dpi)
Print resolution (dpi) MH241:203 dpi/Per millimeter 8 dpi; MH341:300 dpi/Per millimeter 12 dpi MH641:600 dpi/Per millimeter 24 dpi
Size 276mm(W) x 326mm(H) x 502mm(L)
Weight 15.60 kg (34.39 lbs)
Model B-PEX26/PEX36/B-PEX66
Original model of printer PEX-1121/PEX-1131/PEX-1161
Printer picture
Maximum print width 4.09"/104 mm
Upper limit of printing speed 1121:18 ips/Per 457 mm (203 dpi); 1131:14 ips/Per 356 mm (300 dpi);1161:6 ips/Per 152 mm (600 dpi)
Print resolution (dpi) 1121:203 dpi/Per millimeter 8 dpi; 1131:300 dpi/Per millimeter 12 dpi 1161:600 dpi/Per millimeter 24 dpi
Size 245mm(W) x 300mm(H) x 390mm(L)
Weight 13 kg (28.66 lbs)

FAQ

ZT610, ZT620, ZT510, ZT411, ZT421, ZT231, ZE511, ZE521 of ZEBRA; MH241 of TSC; SATO CL4NX, CL4NX Plus, and other brands of industrial label printers

Barcode grade verification is an optional function. BLC can grade barcodes according to ISO standards ISO15416 and ISO15415 through the optional module. However, because BLC is a dynamic test, the test results need to be appropriately compensated according to the site environment.

Industrial label printers usually use the principle of thermal transfer. The principle of thermal transfer of carbon tape determines that the quality of label printing may be caused by various reasons such as the quality of carbon tape or the wear of printing head. The compliance of labels determines the safety of products, and the use of effective means to ensure the safety of labels is an important matter for every manufacturer to consider and take action. The BLC print detection system is an effective and cost-effective means to ensure the safety of identification.

1. BLC strives to minimize changes to the original printing equipment, so as not to affect the original functions of the printer.
2. The integrated design makes the installation extremely convenient, and the installation and debugging can be completed in 10 minutes.
3. The first label on the tear-off bar can be detected, so that all labels can be 100% detected from the first label to the last label, without losing any label content.
4. The supporting software is easy to use, and there is no need to select one area by one.
5. The software interface is beautiful, in line with the modern design style, and it is easy for workers to operate.
6. It supports NG, OK and WA (warning) judgment criteria, which is convenient for users to set complex detection requirements

Provide a variety of alarm notification methods, including: printer pause, alarm light flashing, software screen reminder or other customized notifications. BLC can interface with PLC or other automation equipment to realize alarm and trigger external IO interface and other operations.

BLC supports color label detection by default. BLC can capture and output 24 color bits.

SQL Server,Oracle,MySQL,SQL Lite, other databases that provide ODBC data interfaces.

BLC provides RS232 serial port, 1-channel NPN (PNP) interface, 7-channel IO dry contact interface, and can output 12-24V voltage at the same time.

Immediately use the powerful function of language recognition BLC to make unqualified labels invisible

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