QLC11701 - Barcode Reader Qian - Free user manual and instructions

Product Type	Barcode Reader
Brand	Qian
Model	QLC11701
Dimensions (approx.)	170 mm x 70 mm x 100 mm
Weight (approx.)	150 g
Power Supply	USB powered (5V)
Interface	USB, RS485
Scanning Type	Laser, 1D linear
Scan Rate	100 scans/second
Barcode Types Supported	UPC, EAN, Code 39, Code 128, Interleaved 2 of 5, etc.
Operating System Compatibility	Windows, Mac, Linux (plug and play)
Reading Distance	Up to 300 mm for standard barcodes
Scan Angle	± 30°
Indicators	Beeper and LED for successful scan
Maintenance	Clean the lens with a soft, dry cloth
Safety	Class 1 laser product, safe under normal use
Spare Parts & Repairability	Not available; contact manufacturer for service
Environmental Compliance	RoHS compliant
Operating Temperature	0°C to 40°C
Storage Temperature	-20°C to 60°C
Package Contents	Barcode reader, USB cable, user manual

Frequently Asked Questions - QLC11701 Qian

How do I connect the Qian QLC11701 barcode reader to my computer?

Connect the USB cable to an available USB port on your computer. The scanner will be automatically recognized as a HID keyboard device (plug and play).

What barcode types does the QLC11701 support?

It supports most common 1D barcodes including UPC, EAN, Code 39, Code 128, Interleaved 2 of 5, and many others.

Is the scanner compatible with Mac or Linux?

Yes, it works as a standard HID keyboard. It should work on Windows, Mac OS, and Linux without special drivers.

Why is my scanner not beeping after a scan?

Ensure the cable is properly connected. Try scanning a test barcode. If still not beeping, check if the scanner is disabled in software or if the beep volume is turned off.

What is the maximum scanning distance?

For typical barcodes, the reading distance is up to 300 mm, but can vary based on barcode density and lighting conditions.

How do I clean the scanner lens?

Use a soft, lint-free cloth lightly dampened with water or a lens cleaner. Do not use abrasive cleaners or solvents.

Can I use the scanner without the CD or drivers?

Yes, it is plug and play. Simply connect via USB and it will simulate keyboard input. No additional software is required.

What does the RS485 interface do?

The RS485 interface allows connection to industrial controllers or POS systems that use serial communication. It requires an adapter or specific wiring.

Does the scanner read barcodes from a screen?

Yes, it can read barcodes displayed on LCD screens, but the distance may be shorter. Ensure the screen brightness is adequate.

What should I do if the scanner stops working?

Check the USB connection, try a different USB port. If using via RS485, verify wiring. If still not working, contact Qian support for further assistance.

USER MANUAL QLC11701 Qian

(3). Cable RS485