QLL1701 - Barcode scanners Qian - Free user manual and instructions

Product Type	Barcode Scanner
Model	QLL1701
Brand	Qian
Scan Technology	Laser
Scan Type	1D
Dimensions (L x W x H)	170 mm x 70 mm x 100 mm
Weight	150 g
Power Supply	5V via USB
Interface	USB
Scan Rate	100 scans per second
Read Distance	0 - 300 mm
Supported Symbologies	UPC, EAN, Code 128, Code 39, etc.
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
Laser Class	Class 1
Cable Length	1.8 m
Operating Systems Supported	Windows, macOS, Linux
Plug and Play	Yes
Cleaning	Wipe lens with soft dry cloth
Spare Parts	USB cable, stand (optional)
Repairability	Not user-serviceable; contact support
Warranty	1 year

Frequently Asked Questions - QLL1701 Qian

How do I connect the QLL1701 to my computer?

Connect the USB cable to your computer. The scanner will automatically install drivers and be ready to use as a plug-and-play device.

Why is my scanner not beeping or scanning?

Check the USB connection. Ensure the scanner is powered (LED should light). If not, try a different USB port. Also, make sure the barcode is intact and not damaged.

What barcode types does the QLL1701 support?

It supports common 1D barcodes like UPC, EAN, Code 128, Code 39, Interleaved 2 of 5, and more.

Can I scan barcodes from a screen?

Yes, the laser scanner can read barcodes from most screens. Ensure the screen brightness is adequate and hold the scanner at a slight angle to avoid reflection.

How do I clean the scanner?

Use a soft, dry cloth to gently wipe the lens. Avoid liquids or abrasive materials. Do not spray directly.

What is the maximum scan distance?

The QLL1701 can read barcodes up to 300 mm (12 inches) away, depending on barcode size and quality.

Is the scanner compatible with macOS or Linux?

Yes, the scanner works as a USB HID keyboard device on Windows, macOS, and Linux without additional software.

My scanner outputs wrong characters. How to fix?

This may be due to incorrect keyboard layout. Scan the configuration barcode for your layout (e.g., US, UK) from the manual. The scanner emulates keyboard keystrokes.

Can I use the scanner without a computer?

The scanner requires a USB host (computer or POS terminal) to power and receive data. It cannot store data offline.

How do I reset the scanner to factory defaults?

Scan the 'Factory Reset' barcode found in the user manual. This restores default settings like baud rate and prefix/suffix.

USER MANUAL QLL1701 Qian

Scan Rate: 100 ± 20 (scans/second)

Lights Indicator

LED Indicator

Blue lights blinking

Red light On

Explanation

Decoding Successfully

Standby status / repose

Buzzer

Beep Indication

One beep

Three beep

Four beep

Continuous Beep

Explanation

Decoding Successfully

USB Data transfer failed

Power on

Successfully parameter setting

1 Scanner Overview

Barcode Scanner

4 Scanning Angle

1D Images scanner

1D Laser scanner

2 Cable Plug & Unplug

(Plugable scanner applies)

①Plug as picture abover

②Press the buckle click, the pull out the cable

3 Data cable connection guide

(1). Cable USB

5 Methods and distance

Correct

Wrong

NOTE: Laser beam should be full covered on the barcode

(2). Cable RS232

(3). Cable RS485

Troubleshooting Q&A:

Q1: USB barcode scanner with "beep beep beep" after scannig and no data uploaded.
A1: Unplug the scanner into another USB port.
Q2: USB barcode scanner without data upload and alarm buzzer after scanning.
A2: Restore factory default.
Q3: No laser beam after connection via RS232.
A3: Refer to data cable connection guide and check the power supply.
Q4: No data upload and alarma buzzer after scanning via RS232.
A4: Terminal should have software to transfer data when using RS232, not cursor position.
Q5: How to set barcode data with increase and decrease digits when scanning barcodes?
A5: Refer to barcode settings as 10 and 11, 12 to set the scanner.

Barcode Settings

Setting Step

1

Scan the barcode of

"Enter setting"

1111111111111

111111111111

↓

2

Scan function barcode

(Support multiple scanning setting barcodes)

[NO TEXT]

Disable repeat reading same barcode

[Barcode]

0x0 D as suffix

↓

3

Scan "Exit and Save" barcode

[Barcode]

Exit and save (%END)

NOTE: All functions must be in accordance with the settings for the above process or scan the barcode setting function is invalid

① Restore factory default

Restore factory default (DF)

NOTE: 1. Resotore factory default will not change interface mode.

Refer to Interface Mode Selection for setting interface

1. With " - in bold means factory default parameter.

② Interface Mode Selection

Setting step as below with function barcodes when using RS232 to transfer data.

Serial Output ( A0000 )

NOTE: Terminal should have software to transfer data whe using RS232, not cursor position.

Setting step as below with function barcodes when using USB to transfer data.

*USB HID Keyboard (A0001)

Setting step as below with function barcodes when using RS485 to transfer data.

③ Auto trigger (optional)

Disable auto trigger ( H0000 )

*Enable auto trigger ( H0001 )

④ Trigger Mode

*Single read ( F0000 )

Continuous read ( F0001 )

Continuous: The reader will produce as much data as ir can decode regardless whether it is the same or not. This mode is mainly used for demonstration and diagnosis.

Single read: When a bar code has been decoded, the reader will turned off. The reader must be triggered again to read another label.

⑤ Reading Mode

isable repeat read ( F0100 )

*Enable repeat read (F0101)

Multiple read ( F0102 )

Disable repeat read: Disable continue to read the same barcode.

Multiple read: The same label can only be decoded again after the label

has not been detected for a number of scans, This mod

can only be programmed in Continuous trigger mode.

⑥ Repeat the same barcode reading interval

⑦ Set Suffix

⑧ Version Reading

Version Reading ( RV )

⑨ RS232 Baud rate

⑩ UPC Setting

Enable UPC-E convert to UPC-A (ID100)

*Disable UPC-E convert to UPC-A (ID101)

Enable UPC-A convert to EAN-13 (IA101)

*Disable UPC-A convert to EAN-13 (IA100)

⑪ Code 39 Setting

Transmit ST/SP (IF101)

*Not Transmit ST/SP ( IF100 )

⑫ Delete some barcode

*Disable deleting star

character ( K0200 )

Delete start one charcater (K0201

Delete end one character (K0301)

*Disable deleting end character (K0300)

Delete start two characters ( K0202 )

Delete end two characters (K0302)

GUARANTEE POLICY

Qian.mx, guarantees this product in all of its components and workforce during 12 months, starting the date of acquirement against any manufacturing and operating defects during normal and domestic use of this product.

Qian.mx guarantees the buyer the absence of any manufacturing and operating anomalies including pieces and components of the product or anything referring to the materials.

1. This policy protects only the products commercialized by Qian.mx, through its authorized distributors inside the Mexican Republic.

2. To make valid this guarantee, it would be necessary to present this policy (original) with the information required in the table below with the physical product and with all the accessories that integrates it:

Product:
Model:	Distributor Seal
Brand: Glan.mx
Serial Number:
Invoice Number:
Delivery Date:

1. In case of loosing the policy it would be necessary to present the original invoice with the serial number of the product.

2. Qian.mx could use new pieces, restored, or used in good conditions to repair or replace any product, without any additional cost to the consumer, as long as the warranty period stipulated isn't over.

3. In case that the product doesn't have arrangement, it would be changed for a similar product or for one with superior characteristics.

4. The time of repair won't be longer than 30 natural days since the date of reception of the product by Qian.mx or by Authorized Service Centers.

5. In case that Qian.mx doesn't count with an Authorized Service Center in the client's city, the client will have to pay the shipping cost to the nearest point and Qian.mx will pay the cost of the returning shipment to the client once the service is fulfilled, within the warranty period.

EXCLUSIONS

Qian.mx will not make valid this policy in the next cases:

- When the product had been used under other conditions than the normal.

- When the product hasn't been operated according the instructive that's included.

- When the product would have been modified or repaired by unauthorized people by Qian.mx.

To make valid this guarantee, as well as the acquisition of components, consumable parts and accessories request more information in www.qian.mx or go to any Qian.mx Authorized Service Center.

Main Offices:

Qian S.A. de C. V.

Av. Américas #1501 Piso 20-A

Col. Providencia

Guadalajara, Jal.

Tel. [phone]