zenpert 3R20 User manual

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USER’S
MANUAL
3R20
Direct Thermal Portable Printer

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Copyright Information
The copyright in this manual, the software, and firmware in the printer
described therein are owned by the company. All rights reserved.
CG Triumvirate is a trademark of Agfa Corporation. CG Triumvirate Bold
Condensed font is under license from the Monotype Corporation. Windows
is a registered trademark of Microsoft Corporation.
All other trademarks are the property of their respective owners.
Information in this document is subject to change without notice and does
not represent a commitment on the part. No part of this manual may be
reproduced or transmitted in any form or by any means, for any purpose
other than the purchaser’s personal use, without the expressed written
permission.

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Agency Compliance and Approvals
GB 4943.1
GB/T9254
GB 17625.1
IS 13252(Part 1)/
IEC 60950-1
KN 32 / KN 35
Important safety instructions:
1. Read all of these instructions and keep them for later use.
2. Follow all warnings and instructions on the product.
3. Disconnect the power from the AC inlet before cleaning or if fault happened.
Do not use liquid or aerosol cleaners. Using a damp cloth is suitable for cleaning.
4. The mains socket shall be installed near the equipment and easily accessible.
5. The unit must be protected against moisture.
6. Ensure the stability when installing the device, Tipping or dropping could cause
damage.
7. Make sure to follow the correct power rating and power type indicated on marking
label provided by manufacture.
8. Please refer to user manual for maximum operation ambient temperature.
CAUTION:
(For equipment with RTC (CR2032) battery or rechargeable battery pack)
Risk of explosion if battery is replaced by an incorrect type.
Dispose of used batteries according to the Instructions as below.
1. DO NOT throw the battery in fire.
2. DO NOT short circuit the contacts.
3. DO NOT disassemble the battery.
4. DO NOT throw the battery in municipal waste.
5. The symbol of the crossed out wheeled bin indicates that the battery should not be
placed in municipal waste.
Caution: Hot surface for printhead. Do not touch the printhead before it
cooling.

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CAUTION:
Any changes or modifications not expressly approved by the grantee of this device
could void the user's authority to operate the equipment.
NBTC SDoC

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Contents
1. Introduction ........................................................................................................ 1
1.1 Product Introduction......................................................................................... 1
1.2 Product Features............................................................................................... 2
1.2.1 Printer Standard Features .................................................................. 2
1.2.2 Printer Optional Features ................................................................... 3
1.3 General Specifications...................................................................................... 3
1.4 Print Specifications........................................................................................... 4
1.5 Media Specifications......................................................................................... 5
2. Operations Overview.......................................................................................... 6
2.1 Unpacking and Inspection................................................................................ 6
2.2 Printer Overview................................................................................................ 7
2.2.1 Front View............................................................................................ 7
2.2.2 Interior View ........................................................................................ 8
2.2.3 Rear View............................................................................................. 9
2.3 Operator control .............................................................................................. 10
2.3.1 LCD Indication and Keys .................................................................. 10
2.3.2 Battery Charging Cycle..................................................................... 12
3. Setup ................................................................................................................. 13
3.1 Install the Battery ............................................................................................ 13
3.2 Charge the Battery .......................................................................................... 14
3.2.1 Charge the Battery ............................................................................ 14
3.3 Communicate .................................................................................................. 15
3.3.1 Connecting with the Communication Cable.................................... 15
3.3.2 Connecting with Bluetooth ............................................................... 15
3.4 Loading the Media........................................................................................... 16

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4. Accessories ....................................................................................................... 17
4.1 Install the Media Spacers................................................................................ 17
4.2 Install the Shoulder Strap (Option) ................................................................ 20
5. Power-on Utilities ............................................................................................. 21
5.1 Media Sensor Calibration............................................................................... 21
5.2 Self-test and Dump Mode............................................................................... 22
5.3 Printer Initialization ........................................................................................ 25
6. Diagnostic Tool ................................................................................................ 26
6.1 Start the Diagnostic Tool ............................................................................... 26
6.2 Printer Function .............................................................................................. 27
6.3 Calibrating Media Sensor by Diagnostic Tool .............................................. 28
6.3.1 Auto Calibration ................................................................................ 28
6.4 Setting Bluetooth by Diagnostic Tool (Optional).......................................... 29
7. Troubleshooting ............................................................................................... 30
7.1 Common Problems ......................................................................................... 30
8. Maintenance...................................................................................................... 32
Revise History ....................................................................................................... 33

1. Introduction
1.1 Product Introduction
Thank you very much for purchasing zenpert barcode printer.
Enjoy zenpert’s reputation for cost-efficient, high durability printers with the 3R20
Series mobile barcode printer. The 3R20 Series is a comfortable, light-weight printer
capable of working with any mobile printing application where you need quick, simple
receipts/labels on demand.
Our 3R20 Series are designed for a rough life, which takes up to 1.5 meters fall and
keep printing. Moreover, it can resists dust and water with the environmental case.
This small and light-weight printer can be worn comfortably for a full shift, without
interfering with the user’s tasks. Use Micro USB 2.0 interface to connect to a mobile
computer or even a smartphone and produce clear easy-to-read receipts hour after
hour.
This document provides an easy reference for operating the 3R20 Series.
The online version of the Programmer's manual or more information can be download
from our official website.
To print label formats, please refer to the instructions provided with your labeling
software; if you need to write the custom programs, please refer to the TSPL-EZC
programming manual that can be found on the accessories or at zenpert official
website.
•Applications
oManufacturing & Warehousing
Work in Progress
Item Labels
Instruction labels
Agency labels
oHealthcare
Patient Identification
Pharmacy
Specimen Identification
oParcel Post
Shipping / Receiving Labels
oSmall Office / Home Office
oRetail Marking
Price tags
Shelf labels
Jewelry tags

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1.2 Product Features
1.2.1 Printer Standard Features
The printer offers the following standard features.
Product standard feature
Direct thermal printing
Black mark reflective sensor
Transmissive gap sensor
Head open sensor
1 Feed/ Pause button
1 Power button
1 Top cover open button
1 LCD screen for printer status (indicates battery level/ media type/
firmware
version/
BT MAC address/ error messages)
Audible alert Programmable buzzer
Rechargeable Li-ion battery
32-bit RISC high performance processor
Micro USB 2.0 interface
64 MB DRAM
16 MB Flash memory
Bluetooth V4.2 module
Eltron® EPL, Zebra® ZPL, and TSPL-EZ CPCL emulation languages
support
Fonts and bar codes can be printed in any one of the four directions (0,
90,180, 270 degree)
8 alpha-numeric bitmap fonts
One Monotype Imaging® CG Triumvirate Bold Condensed scalable font
Built-in Monotype True Type Font engine
Downloadable fonts from PC to printer memory
Downloadable firmware upgrades

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Text, bar code, graphics/image printing (Please refer to the TSPL EZC
programming manual for supporting code page)
Supported Bar Codes
Supported Image Format
1D bar code
2D bar code
Windows .BMP,
PCX
(Max. 256 colors
graphics)
Code128 subsets
A.B.C,Code128UCC,
EAN128, Interleave 2 of
5,Code 39,Code 93,
EAN-13, EAN-8,
Codabar, POSTNET,
UPC-A, UPC-E, EAN
and UPC 2(5) digits
add-on, MSI, PLESSEY,
China Post, ITF14,
EAN14, Code 11,
TELPEN, PLANET,
Code 49, Deutsche Post
Identcode, Deutsche
Post Leitcode,
LOGMARS
CODABLOCK F
mode, DataMatrix,
Maxicode, PDF-417,
Aztec,
MicroPDF417, QR
code
, RSS Barcode
(GS1 Databar)
1.2.2 Printer Optional Features
The printer offers the following optional features.
Product option feature User
options
Factory
options
Protective case with shoulder strap ○
Shoulder strap
○
1.3 General Specifications
General Specifications
Physical dimensions 112 mm (W) x 62 mm (H) x 122 mm (D)
Enclosure
Plastic
Weight (w/ battery) 355g (includes battery 86.1g)
Electrical Internal charging capability (battery-in)
Input: AC 100-240V, 0.35A, 50/60Hz
Output: DC 5V/ 2A

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Auto-switching AC adapter
Note: The printer will automatically turn off when stopping
operation after 30 minutes.
Battery
Output
7.4V
Capacity
2000mAh
Charging time
2hrs
Environmental
condition
Operation Temperature: 0 ~ 40˚C (32 ~ 104˚F)
Storage Temperature: -20 ~ 60 ˚C (-4 ~ 140˚F)
Relative Humidity:
- Operation: 10% to 85% non-condensing
- Storage: 5% to 90% non-condensing
Drop 1.5 m (4.9 ft) w/o environmental case
Environmental
concern Comply with RoHS, WEEE, and REACH
1.4 Print Specifications
Print Specifications
3R20
Print head resolution 203 dots/inch (8 dots/mm)
Printing method
Direct thermal
Dot size
(width x length) 0.125 x 0.125 mm(1 mm = 8 dots)
Print speed
(inches per second) Max. 2 ips (50.8 mm/sec)
Max. print width 72 mm (2.83")
Max. print length
Continuous receipt paper: 2,794
mm
(110”)
(associate with DRAM)
Printout bias Vertical: Max. 1 mm
Horizontal: Max. 1 mm

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1.5 Media Specifications
Media Specifications
3R20 Series
Media roll capacity
Max. O.D.: 50 mm (1.97”)
Media type
Continuous, die-cut, black mark
Media wound type
Outside wound
Media length 15 mm (0.59”) ~ 2,794 mm (110”)
Tear mode: 25.4 mm (1”) ~ max. print length
Media width Without media fixing tabs: max. 80 mm
With media fixing tabs: 1”, 1.5”, 2”, 2.5”
Media thickness
0.06 mm (2.36 mil) ~ 0.20 mm (7.87 mil)
Note: Please locate the black mark on the printing side when using black mark continuous label.

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2. Operations Overview
2.1 Unpacking and Inspection
This printer has been specially packaged to withstand damage during shipping. Please
carefully inspect the packaging and printer upon receiving the bar code printer. Please
retain the packaging materials in case you need to reship the printer.
Unpacking the printer, the following items are included in the carton.
One printer unit
One Li-ion battery
One quick installation guide
One USB cable
One USB power adapter
Two Media spacers
If any parts are missing, please contact the Customer Service Department of your
purchased reseller or distributor.

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2.2 Printer Overview
2.2.1 Front View
1. Power on/ off button
2. Media cover release button
3. Feed/ Pause button
4. LCD screen (indicates battery status/ media type/ firmware version/
BT MAC address/ error messages)
5. Media cover
6. Media cover window
4
1
6
5
3
2

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2.2.2 Interior View
1. Tear edge
2. Print head
3. Gap sensor
4. Black mark sensor
5. Platen roller
1
3
5
4
2

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2.2.3 Rear View
1. Li-ion Battery
2. Battery open clasp
3. USB interface
4. Interface cover
2
1
4
3

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2.3 Operator control
2.3.1 LCD Indication and Keys
1. Power on/ off button
2. Media cover release button
3. Feed/ Pause button
4. LCD screen (indicates battery status/ media type/ firmware version/ BT
MAC address/ error messages)
Keys
Function
1. Press and hold for 2-3 seconds to turn on the printer.
2. Press and hold for 2-3 seconds to turn off the printer.
1. Ready status: Feed one label
2. Printing status: Pause the print job
4
3
2
1

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LCD monitor
Cont.
B1.00 D148
Battery level
Media type
Bluetooth
BT MAC address
F/W version

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2.3.2 Battery Charging Cycle
1. Charging the battery when the printer turns on.
Charging cycle LCD version
1. Charging the battery when
the printer turns on.
1 block blinking Charging level: 0~25%
2 blocks blinking Charging level: 25~50%
3 blocks blinking Charging level: 50~75%
4 blocks blinking Charging level: 75~100%
Solid 4 blocks Charging level: 100%
2. Fully charged then turn off the printer automatically.
Note:
After the battery was fully charged and stopped print job for a while, the printer will automatically
turn-off.
2. Charging the battery when the printer turns off.
Charging cycle LCD version
Charging the battery when
the printer turns off.
1 block blinking Charging level: 0~25%
2 blocks blinking Charging level: 25~50%
3 blocks blinking Charging level: 50~75%
4 blocks blinking Charging level: 75~100%
Solid 4 blocks Charging level: 100%
Note:
After the battery was fully charged and stopped print job for a while, the printer will
automatically turn-off.
Charging mode
Fully charged then turn off
the printer automatically.

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3. Setup
3.1 Install the Battery
1. Insert the battery to the left side of
battery slot on the rear of the
printer.
2. Push the right side of the battery
down.
3. Pull the battery latch to lock the
battery.
PUSH

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Battery safety warning:
DO NOT throw the battery in fire. DO NOT short circuit the contacts.
DO NOT disassemble the battery. DO NOT throw the battery in municipal waste.
The symbol of the crossed out wheeled bin ( ) indicates that the battery should not
be placed in municipal waste.
3.2 Charge the Battery
It takes 1.5 to 2 hours to fully charge the battery before the first time usage. The
lifetime of the battery is 300 times for charge/discharge cycles.
3.2.1 Charge the Battery
1. Open the interface cover and plug the
power cord to the power jack.
2. Plug the power cord into a properly
power outlet.
Note:
Please refer to Ch. 2.3.2 for more
information about battery charging cycle.
Charging Warning
Do not print (discharge) while the battery is charging. Otherwise, it will harm the battery
life and cause other adverse effects.
The battery normal working condition is from 0°C to 40°C (32 °F to 104 °F). The device or
battery charger always perform battery charging in a safe and optimum manner. At higher
temperatures (e.g., approximately +40 °C (+104 °F) or charging when turning on the