CD-3870U - Barcode Reader Posiflex - Free user manual and instructions
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| Product Type | Barcode Reader |
| Model | CD-3870U |
| Brand | Posiflex |
| Scanning Technology | Laser / CCD |
| Scanning Speed | 100 scans per second |
| Interface | USB (HID, Serial Emulation), RS232 |
| Supported Barcode Symbologies | 1D: UPC, EAN, Code 128, Code 39, Interleaved 2 of 5, etc. |
| Dimensions (L x W x H) | 170 mm x 70 mm x 90 mm |
| Weight | 200 g |
| Power Supply | 5V DC via USB (500 mA) |
| Operating Temperature | 0°C to 40°C |
| Storage Temperature | -20°C to 60°C |
| Humidity | 5% to 95% non-condensing |
| Drop Resistance | 1.5 m onto concrete |
| Key Functions | Scan, Enter, and programming barcodes |
| Maintenance & Cleaning | Clean scan window with soft cloth; avoid solvents |
| Safety Compliance | FCC, CE, RoHS |
| Spare Parts & Repairability | Replacement cables and scan engines; service by qualified personnel |
Frequently Asked Questions - CD-3870U Posiflex
How do I connect the Posiflex CD-3870U to my computer?
Simply plug the USB cable into an available port. The reader will be recognized as a HID keyboard or serial device. You may need to scan a configuration barcode to set the interface mode.
Does the CD-3870U support QR codes?
No, this model is a 1D barcode reader and does not support 2D codes like QR. It is designed for standard linear barcodes.
What is the scanning range of the CD-3870U?
Typical scanning range is from contact up to 20 cm for high-density barcodes, and up to 40 cm for standard barcodes, depending on barcode size and quality.
How do I clean the barcode reader?
Turn off the device and gently wipe the scan window with a soft, lint-free cloth slightly dampened with water or a mild cleaning solution. Do not use abrasive cleaners or solvents.
Can I read barcodes from a smartphone screen?
Yes, the CD-3870U can scan barcodes displayed on most smartphone screens if the screen brightness is adequate. Some reflective screens may be challenging; adjust the angle.
The scanner doesn't beep when scanning. What should I do?
Check the USB connection and ensure the device is powered. Verify that the barcode is not damaged. If the beeper is disabled, scan the 'Enable Beeper' configuration barcode from the manual.
How do I reset the CD-3870U to factory defaults?
Scan the 'Restore Factory Defaults' barcode provided in the user manual. This will clear all custom settings and revert the reader to original configuration.
What operating systems are compatible?
The reader works with Windows, macOS, Linux, and Android devices that support USB HID or serial communication. No specific drivers are required for basic operation.
How do I program a prefix or suffix?
Refer to the programming section of the manual. You need to scan specific configuration barcodes to enter setup mode, then scan barcodes for prefix/suffix characters (e.g., tab, enter).
Is the CD-3870U compatible with point-of-sale (POS) systems?
Yes, it is widely used in POS environments. It can be set to emulate a keyboard wedge, making it compatible with most POS software without additional drivers.
User questions about CD-3870U Posiflex
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Download the instructions for your Barcode Reader in PDF format for free! Find your manual CD-3870U - Posiflex and take your electronic device back in hand. On this page are published all the documents necessary for the use of your device. CD-3870U by Posiflex.
USER MANUAL CD-3870U Posiflex
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Product information
Brand : Posiflex
Model : CD-3870U
Category : Barcode Reader