Element RW973 User manual

RW973 User Manual
Desktop POS Printer
RW973
User Manual

RW973 User Manual
CONTENTS
CAUTIONS......................................................................................................................... 4
Important Safety Instructions...........................................................................................1
POS printer packing-case..................................................................................................2
1 Overview........................................................................................................................ 3
1.1 Introductions...................................................................................................... 3
1.2 The main features...............................................................................................3
2 Specifications................................................................................................................. 4
2.1 Printer specification............................................................................................4
2.2 Printing media specification...............................................................................6
2.2.1 Continuous thermal paper specification................................................ 6
2.2.2 Notices..................................................................................................... 6
2.3 Printing and cutting position..............................................................................7
2.3.1 Printing position...................................................................................... 7
2.3.2 Cutting position....................................................................................... 7
3 Printer Components...................................................................................................... 8
3.1 Appearance and component..............................................................................8
3.2 Specification of Indicated light and beeper.....................................................10
4 Printer Packing.............................................................................................................11
4.1 Open packing.................................................................................................... 11
4.2 Choice installation site and direction of printer.............................................. 11
4.3 Connect the printer power adapter.................................................................11
4.4 Connecting the Interface Cable........................................................................13
4.5 Connecting the Cash Drawer............................................................................13
4.6 Paper roll installation....................................................................................... 14
4.6.1 Confirmation of printing paper............................................................. 14
4.6.2 RW973 installation/change Paper........................................................ 15
4.7 Setting DIP switch.............................................................................................17
4.7.1 Serial Interface (RS-232C)......................................................................17
4.7.2 Interfaces of USB and Ethernet.............................................................18
4.7.3 Auto cutter enable/disable selection................................................... 19
4.8 Print self-testing............................................................................................... 19
5 Interfaces Signal...........................................................................................................20
5.1 USB interface.................................................................................................... 20
5.2 Power Supply interface definition................................................................... 20
5.3 Cash Drawer interface signal........................................................................... 21
5.4 Serial interface and Ethernet interface............................................................22
6 Troubleshooting...........................................................................................................23

RW973 User Manual
6.1 Printer not working.......................................................................................... 23
6.2 LED indicator on the control panel and beeper alarm.................................... 23
6.3 Troubles occur during printing.........................................................................23
6.4 Problems emerge during the paper cutting processes................................... 24
6.5 Removing Jammed Paper.................................................................................24

RW973 User Manual
CAUTIONS
Warnings :
This must be complied with in order to avoid any damage to the human body
and to the equipment.
This is showing the important information and tips for the printer operating.
❖Note：
Due to continuous update of product, please take in kind of real machine, such as
accessories, programs etc.
Note: Due to continuous improvement of our product, the description of printer
specification, accessories, design in this manual may slightly different, please in kind
prevail.

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Important Safety Instructions
1. Safety warning
Warnings: The print head will become very hot during printing; avoid contact
with the print head after printing has finished.
Warnings: Do not touch the print head and connector in case static damages the
print head.
2. Instructions
Read the following instructions thoroughly before starting up your printer.
1) Place the printer on a solid and even base so that it does not fall.
2) Leave enough space around printer for operation and maintenance.
3) Keep all liquids away from the printer.
4) Do not expose the printer to high temperatures, direct sunlight or dust.
5) Protect the printer from shock, impact and vibration.
6) Ensure the printer is connected to a socket with the correct mains voltage.
7) Switch off the printer power supply when not in use.
8) To ensure the printing quality and reliability, suggest use the recommended
paper or the same quality paper.
9) Please switch off the power supply when connecting/disconnecting all the
ports or it will cause damage to the printer control circuit.
10) Never carry out maintenance or repair work yourself. Always contact a
qualified service technician.
11) Keep this User Manual in a place which is easily accessible at all times.

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2
POS printer packing-case
Please check you get all in carton.
Note:
1.The AC adapter and power cord vary by local or region.
The packing materials are actually dependent on the order.

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3
1 Overview
1.1 Introductions
RW973 is a thermal receipt printer with auto-cutter, featured by high printing quality,
high printing speed, high stability, etc. It can be used in commercial POS system, food
industry and applications which need real-time field print receipts.
RW973 can connect with other equipments through parallel, serial, USB, and
Ethernet interfaces. And the printer drivers are available for the WINDOWS
XP/7/8/10 operating system.
1.2 The main features
1) Automatic paper cutting
2) Low noise
3) High printing speed
4) Easy paper loading
5) User convenient maintenance
6) Compatible with various width paper
7) Cash drawer interface

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2 Specifications
2.1 Printer specification
Table2-1 General Specification
(1/2)
Model
VT300
Printing
Parameter
Print method
Direct thermal line printing
Resolution
203dpi，8dots/mm
Printing width
72mm/48mm
Print speed
200～250mm/s
Interface
Serial, Parallel, Ethernet, USB, Cash drawer(optional)
Print density
Adjustable from level 1 to level 4
Page Mode
support
Memory
RAM
16Mb
Flash
32Mb
Fonts
Chinese
GBK 16×16, 24×24dots
Alphanumeric
ASCII 9×17,12×24dots
User-defined
support
Code page
Optional international character sets : PC437(std.Europe), Katakana,
PC850(Multilingual), PC860(Portuguese), PC863(Canadian),
PC865(Nordic), PC857(Turkish), PC737(Greek), ISO08859-7(Greek),
WPC1252, PC866(Cyrillic #2), PC852(Latin 2), PC858(Euro), KU42(Thai),
TIS11(Thai), TIS18(Thai), PC720(Arabic), WPC775(Baltic Rim),
PC855(Cyrillic), PC862(Hebrew), PC864(Arabic), ISO8859-2(Latin2),
ISO8859-15(Latin9), WPC1250(Latin 2), WPC1251(Cyrillic),
WPC1253(Greek), PC1254(Turkish), WPC1255(Hebrew),
WPC1256(Arabic), WPC1257(Baltic Rim), WPC1258(Vietnamese),
MIK(Cyrillic), PC755(Latin 2), Iran, Iran II, Latvian, ISO-8859-1(WestEur),
ISO-8859-3(Latin 3), ISO-8859-4(Baltic), ISO-8859-5(Cyrillic), ISO-8859-
6(Arabic), ISO-8859-8(Hebrew),ISO-8859-9(Turkish), PC856,
PC3848(ABICOMP), MONGOLIAN, VISCII
Graphics
Support varied density bitmap as and download bitmap printing
Max size of each bitmap is 40K, the total size of bitmap is 256k
Barcode
1D
UPC-A, UPC-E, EAN8, EAN13, CODE39, ITF, CODEBAR, CODE128, CODE93
2D
PDF417, QR code
Detect
Function
Sensors
Paper out, cover open, paper near end and cutter jam sensors

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Table2-1 General Specification (Continued)
(2/2)
Model
VT300
LED Indicator
Power LED
Green LED
Paper LED
Red LED
Error LED
Red LED
Power Supply
Charging
External power adapter
Input
AC100V-240V 50-60HZ
Output
24V 2.5A
Paper
Paper type
Specified Thermal Paper
Paper width
0
1
80

mm/
0
1
58

mm
Paper
thickness
0.065~0.090mm
Paper roll
diameter
Max. OD ф83mm
Paper load
Upward cover open and Easy paper loading
Paper cut
Manual tear or Auto-cutter
Command
ESC/POS
Physical Spec.
Operating
condition
0°C~40°C,
20%~85%RH
Storage
condition
-20°C~70°C,
5%~95%RH
Dimensions
L*W*H
195*147*147mm
Weight
1.8kg
Reliability
TPH lifetime
150km
Cutter lifetime
2,000,000 cuts
MTBF
360, 000 hours
Software
Function
Driver
program
Windows (Win7/Win8/Win10/Vista/XP)

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2.2 Printing media specification
2.2.1 Continuous thermal paper specification
Paper type: specified thermal paper
Paper width:
0
1
80

mm/
0
1
58

mm
Paper outer diameter: Max. 83 mm.
Paper roll core: internal diameter: 12mm
Outer diameter: 18mm.
Paper thickness: 0.065 ～0.090mm.
Paper Type
Manufacturer
FD210,PD150R,PD160R
OJI Paper CO.,LTD.
2.2.2 Notices
Notes：
Please use the recommended thermal paper or same quality paper,
otherwise it will influence the printing quality and decrease the thermal
print head life
Don’t stick the paper on the paper roll mandril
If the thermal paper is polluted by chemical or oil, the thermal paper heat
sensibility decreases, which will influence the printing quality
Don’t use finger nail or hard articles to touch the surface of thermal paper,
otherwise it will cause color fading
When the environment temperature is higher than 70°C ，the thermal
paper color will fade, so pay attention to the influence of temperature,
humidity and sunlight

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2.3 Printing and cutting position
2.3.1 Printing position
0
1 -
80
mm Print Paper
0
1 -
58
mm Print Paper
2.3.2 Cutting position
Figure 2.3.2
Type
Paper Cutting Position(L1)
RW973
11.8mm

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3 Printer Components
3.1 Appearance and component
Note: The views above are for your reference. Ports may vary.

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Specification of some part elements
1) Power switch
Press “0” to turn off power and press “1” to turn on power supply.
2) Feed Button
Feed paper: When it’s not in the alarm status, push the button to feed paper. Push
the button continuously to feed the long distance.
3) Power LED
It indicates the power status.
4) Paper LED
It detects the status of paper, such as paper near end and paper out. See more details
in ”3.2 Specification of Indicated light and beeper”.
5) Error LED
If there is an abnormal phenomenon and error LED flashing, it means the printer is in
the wrong status. Please turn off the power immediately.
6) Paper guide
Paper guide can change the position to adapt to different paper width.
RW973 storehouse has 4 paper guide slot.
Paper guide slot 1/4 adapt to
0
1
80

mm/
0
1
58

mm print paper respectively.
Warnings：
Paper guide is essential to adjusting the paper width. Please keep it properly.

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3.2 Specification of Indicated light and beeper
Function specification of Indicated light and beeper
Name
Status
Specification
POWER LED
（Green）
Bright
The printer work well
Extinguish
The printer does not work
ERROR LED
（Red）
Flashed
The printer in an error state
Extinguish
The printer in an normal state
PAPER LED
（Red）
Bright
The printer in paper out state
Extinguish
The printer in an normal state
Notes:
The printer uses a thermistor to detect the temperature of the print head. If the
temperature of print head is more than 65°C, printer will send a warning. If the
temperature of print head is more than 80°C, printer will stop working until the
temperature is less than 60°C.
Description
Power LED
Error LED
Paper LED
Beeper
Open the cover of
printer
Bright
Bright
Bright
“Beep ,Beep—,Beep”
Full of paper
Bright
Extinguish
Extinguish
Silent
No paper
Bright
Bright
Bright
“Beep Beep Beep”.
Paper near end
Bright
Extinguish
Bright
Silent
Cutter jam
Bright
Flashed
Extinguish
”Beep—，Beep—”

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4 Printer Packing
4.1 Open packing
When opening the package, according to the packing list to check if items are missing
or damaged, if so, please contact the dealer or manufacturer.
4.2 Choice installation site and direction of printer
1) The printer should install at a flat and steady place. It’s recommend that install
the printer at horizontal line. The angle of inclination should not exceed ±
10°(paper feed direction) if tilt install printer, it does not allow to tilt by other
direction
2) Keep printer far away from source of water
3) Avoid the printer on place where it is vibration and shock
4) Ensure printer ground connect is safe
5) When the printer is at operation and maintenance, it is recommended to retain
the enough space to ensure the printer can work in reliability and ease of
operation
4.3 Connect the printer power adapter
1.Turn off the printer power.
2.Plug in the cable connector of the AC adapter to the power connector at the rear
of the printer.
3.Connect the Power cord to the inlet of AC adapter, and insert the Power cord
plug into a suitable wall outlet.

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The plug of AC adapter is designed in a switch type, when accessing AC adapter and
uttered the voice "click", it means the connected socket switch is locked the adapter
connect well, otherwise please connect again.
When pulling out the adapter, please pinch the shell of AC adapter and pull the
switch up, when the switch is fully opened then pull out the AC adapter.
Don’t put forth your strength to pull the plug by squeezing at any of place of AC
adapter because it is more difficult to pull it out and easy to damage the cable.
Notes：
a) Please only use the AC adapter recommended by supplier or equivalent
products
b) When disconnecting the AC adapter plug, handheld plug connector housing, to
avoid the pulling on the cable in force
c) Avoid dragging the AC adapter cable, otherwise it will damage the cable,
causing fire and shock
d) Avoid putting AC adapter around a heating device, otherwise the cable may
melt, causing fire and shock
e) If you do not use the printer for a long time, disconnect the power supply of
printer AC adapter

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4.4 Connecting the Interface Cable
1) Make sure the printer's power switch is turned off
2) Put the interface cable into the matched interface and fixed with screws (or spring)
on the plug
3) Connect the other end of the interface cable to the host
4.5 Connecting the Cash Drawer
1) Make sure the printer's power switch is turned off
2) Connect the cash drawer cable into the cash drawer interface on the rear side of
the printer.
Warning: Cash drawer interface can only be connected to a voltage of 24V cash
drawer device (can’t connect to the phone line, etc.)

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4.6 Paper roll installation
After connecting the AC adapter and interface cable, you can install media for
printing. Confirm the type of paper used by the printer before printing. The default
paper type is specified thermal paper.
Choose the paper guide according to the printing paper.
4.6.1 Confirmation of printing paper
Method:
1) Put the finger into the hole in the paper guide, then lift the paper guide.
2 )According to the paper width, insert the paper guide in the proper position.

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4.6.2 RW973 installation/change Paper
1) Turn off printer power supply.
2) Pressing the open button, open the top cover of RW973（Like figure 4.6.1）
Figure 4.6.1
3) Put the paper into printer. Pay attention to the direction of the paper.（Like figure
4.6.2）
Figure 4.6.2
4) Close the top cover of RW973.（Like figure 4.6.3）
Figure 4.6.3

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5) Tear the redundant paper.（Like figure 4.6.4）
Figure 4.6.4
Notes：
►According to the paper size to adjust the paper guide;
►Make sure the paper inside is at tight status, or it will tissue paper or other
obstacle.