REA TD-GPT-U User manual

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REA TD-GPT-U
A portable report printer for REA Bar Code Verifiers

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Table of Contents
1 Symbols and their meaning ..................................................................................................... 3
2 Security hints........................................................................................................................... 4
3 Description of operation .......................................................................................................... 5
4 Power supply........................................................................................................................... 6
5 Paper change.......................................................................................................................... 8
6 Exchange of batteries.............................................................................................................. 9
7 Maintenance and cleaning..................................................................................................... 10
8 Description of key functions................................................................................................... 10
8.1 FEED / ENTER key..................................................................................................................................10
8.2 Self test ....................................................................................................................................................10
8.3 OFF / NEXT key.......................................................................................................................................11
9 Printer setup.......................................................................................................................... 11
9.1 Printer setup example ..............................................................................................................................12
10 LED Status............................................................................................................................ 13
11 Error Detection and Recovery ............................................................................................... 13
12 CE Certification ..................................................................................................................... 15
13 Technical data....................................................................................................................... 16
14 Sizes ..................................................................................................................................... 17
15 Warranty conditions............................................................................................................... 18

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Introduction
Technology and configuration of the product described in this manual comply with the latest national and
international standards regarding both functionality and safety. Advancements and improvements are
incorporated regularly, and, therefore, illustrations, measurements, technical data and general contents
mentioned below are subject to change without notice.
These operating instructions will help you to operate our product, which has been developed and manufactured
in accordance with the latest technology, optimally and safely. Please read this manual carefully before operating
the product for the first time and keep it available in order to reference it when needed.
If you have any further questions, please contact our staff. You can find all necessary phone numbers and email
addresses in the chapter "Service and Maintenance".
1 Symbols and their meaning
Please read all safety instructions and important information carefully.
Safety instructions regard your personal safety and are to be adhered to at all times. It is essential
to forward these instructions to all other personal using this device.
Important information refers to equipment safety, preventing damaging the printer.
Please contact REA Elektronik GmbH
.
Hints for best use of the printer
Additional information and hints
Safe operation of the printer is only granted, if the instructions in this operating manual are recognised. For
installation: Always disconnect power supply.
In case of any technical question please contact REA Elektronik GmbH.

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2 Security hints
The device may be opened or repaired by authorized personal only. Never open the device or carry out repairs
yourself. Always contact authorized technical service. Service information is in the chapter "Service and
Maintenance".
Before charger is used and connected to the printer it must be verified that the mains power voltage matches to
the specification of the printers power supply. The specifications are printed on the type label as well as in the
chapter with technical data.
The peripheral devices that are connected to the interfaces and the DC circuits of this device have to meet the
requirements for safety extra-low voltage (SELV) in accordance with EN/IEC 60950. Switching off the device
does not completely disconnect it from the power supply. The printer is only disconnected completely, if the
power supply is removed from the mains power socket. The power supply cable needs to be placed without
letting people stumble over the cable. Further it must be taken care of not damaging the cable.
During operation, surfaces in the surrounding area of the print head may heat up. Therefore, direct contact with
the print head must be avoided to prevent burning accidents. Thermal sensitive parts should not be placed close
to the thermal printing head. Avoid constant high humidity and condensing humidity. The device needs to be
protected against getting wet and from contact with solvents and any chemicals (except isopropanol to c lean
the print head). Use spare parts and accessories supplied or authorized by REA Elektronik GmbH. The use of
unauthorized parts or accessories may affect the function and safety of the device. All parts included are listed in
the chapter "Packing List", while the original accessories are listed in the chapter "Parts and Accessories".
It is no longer save to use the printer if
- The housing has been damaged
- Moisture reached the inside of the device
- Smoke is coming from the inside of the device
- The power supply cable is damaged
- The device stops working properly
Turn off the device immediately, when a failure occurs as mentioned above and contact REA Elektronik GmbH
for service. More information is in the chapter "Service and Maintenance".
Any warranty and product liability voids, if the printer has not been used in accordance with the instructions in this
operating manual.
There is risk of explosion and destroying the printer in case of incorrect battery exchange.
In case of any damages or failures the printer must not be used anymore to avoid more damages and damages
to connected devices.

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3 Description of operation
The REA TD-GPT-U is a portable, battery operated industrial printer in a rugged glass-fibre plastic housing.
Due to the wide range of operating temperature (-10 - +60°C with specified paper), the printer can be used
outdoors.
Inserting the paper is easy due to Easy Paper Loading Technology. The paper supply cover closes securely
(tested in accordance with DIN EN60068-2-6 vibrations and -29 constant shock).
A convenient OnPaperDisplay menu (OPD-Menu®) allows an easy printer configuration. The printer is connected
to other devices by an USB interface.
Charging takes about 3 to 4 hours. The standard NiMH battery pack (1500mAh capacity) allows printing 5 paper
rolls without recharging.
Intelligent power management increases the printer availability. The printer switches automatically into sleep
mode to safe battery power. It can be waked up from sleep mode over the USB interface. In sleep mode, power
consumption is much lower than self-discharge of the battery.
Parts and functions of the printer
1 Opening lever for paper compartment cover
2 Paper compartment cover
3 Key {OFF/NEXT}
5 Key {FEED/ENTER}
6 LED "STATUS" (green/red)
7 LED "Line" (yellow)
9 LED "Communication" (yellow)
11 USB Interface
12 Power supply connector
14 Battery connection - connector pair, 7 pin
15 Firmware update connector, 12 pin
17 Battery connector pair, 6 pin

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4 Power supply
The battery pack includes 4 NiMH Mignon (AA) cells with 1,500 mAh. A temperature sensor monitors the battery
temperature during the charging process. A bimetal circuit-breaker is integrated to protect against short circuits
and overheating.
The battery is connected with a 7 pin connector through the window in the battery compartment. The battery
charging voltage is connected through the polarity protected socket. The plug-in power supply for charging is part
of the supplied set. It has a connection cable with the matching connector plug attached. A fully charged
1,500mAh battery will print up to app. 50 m of thermal paper with normal text.
Rechargeable batteries require at least 3 complete charging and discharging cycles in order to reach their full
capacity. Incomplete charging and discharging cycles during operation will reduce the lifetime of the battery.
Sleep Mode
The printer allows within the menu to set a timer. After the time has passed by, the printer switches into the sleep
mode. The printer is switched on again if data is sent, the power supply is attached or if the key FEED/Enter is
pressed. The printer keeps the configuration. The printer buffer is deleted.
It is possible to enable or to disable the sleep mode option by printer setup.
Power Off
If the OFF/NEXT key is pressed for 3 seconds or more the printer is switched off completely. The printer is
switched on if the FEED/ENTER key is pressed or if the power supply is connected to the printer.
Charging of the batteries
The printer incorporates an intelligent battery charging circuit. This circuit does not have a current limiter. The
current limitation is ensured by the supplied power supply. Another power supply with more power may therefore
destroy the printer.

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The charging process has three steps:
Formatting charge
If the battery is totally discharged, it is charged at first with a low-current formatting charge in order to prevent
damage to the battery. The formatting charge is not indicated to the operator. Depending on the status of the
battery, the formatting process can take about 1 to 5 minutes.
Fast Charge
As soon as the battery voltage has exceeded the operating voltage of the printer, the printer will start a fast
charge. This is signalled through a slow flashing STATUS LED and a message through the interface.
If batteries are empty it takes about 4 hours to recharge them completely
Trickle Charge
If batteries are charged fully the charging circuit will change to the trickle charge mode to keep batteries fully
charged. In this mode, batteries are charged permanent with the low formatting current. In addition, fast charge is
activated every 8 minutes for 20 seconds. This is shown to the operator by switching the STATUS LED for this
time permanent on.
The REA TD-GPT-U printer meets the USB specification V1.1 for full-speed devices. The printer is compatible to
USB V2.0 bus systems.
Operation
If a sleep mode has been enabled, the printer will switch to sleep mode after the preset time has been passed.
The USB interface remains active and is directly powered by the USB master. A new print job reactivates the
printer without any loss of data. In USB suspend mode the printer internal USB interface is also disabled. In this
mode, the printer will "go to sleep" after the preset sleep time.

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5 Paper change
The closed printer is protected against static discharges in accordance to the EMC guidelines. Since the user
may come in contact with electrically sensitive parts when the printer is open (like the print head during cleaning,
or the electronics during a battery exchange), the user should make sure that static charges are discharged
through sufficient grounding of the body before touching the printer (e.g. by touching grounded objects like
radiators) to avoid to damage the printer.
Replacing the Paper
Insert Paper
1. Unwind about 10 cm of paper from the
paper roll. Pull the lever of the paper
cover and open the compartment.
2. Put the paper roll in the paper
compartment. The paper outside must
show to the printer operating panel.
3. Close the cover by pressing softly. It
will snap into place. The paper can be cut
off at the tear-off edge. If the cover is
closed correctly the paper will not move,
if teared off and the cover will not be
opened if pulling at the paper. If
compartment opens and the paper
moves, the cover is closed incorrectly.
Which side of the thermal paper can be
printed on?
Usually, the printable side of a thermal
paper roll is on the outside.
See Error Detection and Recovery in
chapter 11.
Which thermal paper can be used?
The printer is specified for a paper
width of 57.5 ± 0.5 mm, a roll
diameter of 31 mm and a paper
weight of 60 g/m
2
. The matching
paper rolls (quality: 5 years) are
available from REA. Other papers
types may cause failures.
In principle the printer can also print
on self adhesive labels. For correct
label positioning a mark between the
labels is required.

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6 Exchange of batteries
The battery compartment is at the bottom side of the printer. The cover can be opened easily by using a coin
pressing against the right side of the cover (see picture below).
The 7 pin battery connector is accessable through the window in the bottom of the battery compartment. By
pulling carefully at the battery cable the connector unplugs from the socket. The connector of the new battery
pack can be placed into the socked by using a needle or long nose pliers.
The used batteries shall never be disposed in normal garbage.
The old batteries shall be disposed for recycling or into a hazardous waste site in accordance the local
environmental regulations.
Battery compartment lid with spring catch
Battery plug connection, 7pin
Spring contacts for battery connection (option)
Battery plug connection, 6pin
The REA TD-GPT-U is secured against usual operating errors. A risk for mayor damages and battery explosion
is there if using incorrect battery types, a short circuit, manipulations at the battery, or temperatures above 80 °C.

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7 Maintenance and cleaning
After a lot of printing or if using a low paper quality or under bad environmental conditions it is required to clean
the printer. Cleaning is required for the print head, the rubber drive roll and the paper sensor. Further if print
quality is getting bad the printer needs a cleaning.
8 Description of key functions
The keys will have depending on the printer status - normal operation or print settings menu - different meanings.
Depending of key pressing time different functions may released.
8.1 FEED / ENTER key
Pressing this key wakes the printer up from sleep mode or the paper can be moved forward.
When the feed key is pressed shortly, the printer feeds one line. If the key is pressed for more than 2 seconds
paper moves continuously until the key is released.
8.2 Self test
With a self test, the printer function is tested by starting a test print. The FEED ENTER key must be pressed and
hold while the printer is switched on. The software version and the character set are printed. The USB interface
cannot be checked by the self test.
• Open paper compartment and remove
paper
• Clean from paper roll, sensor and print
head carefully with a brush
• Blow in to paper compartment to
remove larger dust pieces (do not use
compressed air because oil drops may
destroy the printer)
• Use cotton sticks with isopropanol to
clean the thermal print head
• Remove other dirt also with a cotton
stick
Picture:
Tear off edge
Thermal print head
Paper sensor

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8.3 OFF / NEXT key
By holding down the OFF/NEXT key for more than 3 seconds during operation the printer switches off. As
operator feed back, the Status LED flashes shortly red.
Key FEED/ENTER Key OFF/NEXT Action
Pressed not pressed Paper feed one line
Pressed longer than 2 seconds not pressed Continuous paper feed
Pressed while switching on, less
than 1 second
not pressed Wake up, no paper feed
Pressed while switching with
inserted paper longer than 2
seconds
not pressed Self test
Pressed while switching on without
paper and longer than 2 seconds
not pressed Enable Hexdump Mode
Pressed in Hexdump Mode (without
paper)
not pressed Disable Hexdump Mode
Not pressed release key in less than 1 second Form feed 1 Line
Not pressed press key longer than 3 seconds Switch off
Pressed pressed Enter setup menu
9 Printer setup
The most important settings of the printer can be changed with a few key strokes using the built in OPD-Menu®
(OnPaperDisplay). The menu can be accessed always and is easy and comprehensive.
The menu can be operated just by using the OFF/NEXT und FEED/ENTER key.
Key FEED/ENTER Key OFF/NEXT Action
Pressed not pressed Increase value
not pressed pressed Select next menu point
pressed pressed Leave menu and save new settings

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9.1 Printer setup example
Bold font: printed menu
Normal: available settings
Italic: comments
After entering the menu the printer prints the following:
Welcome to the OPD menu 1.0 5
Setup timeout after 10 minutes
Actual printer settings:
Ubat: 5,4V
Tbat: 24°C (only shown if battery is inserted)
Firmware: GE-xxxx
Density 25
Speed: med (64)/low
Interface: RS232/USB/Blue
COM: 9600,n,8,Tx+
Sleep time: 5 sec
Font #: 1
Char. format: D0,W0,H0,S0,48
? Change actual settings
Press ENTER to change
Press NEXT to skip
Press NEXT+ENTER to save and exit
If the ENTER key is pressed the first available parameter is printed. Next confirms the setting and prints the next
parameter. ENTER changes the parameter.
Density: 25
Available settings: 20, 25, 30, 35, 40, 45, 50, 90(2ply)
Speed/Quality: med 64/ low
Available settings: low (32)/med, med (64)/med, med (64)/low, high (96)/low
Interface: RS232/USB/Blue
Available settings: RS232/USB/Blue, IrDA, GeBE-IR, GeBE-COM
Baud rate: 115200
Available settings: 1200, 2400, 4800, 9600, 19200, 38400, 57600, 115200.
COM Parameter: n,8,Tx+
Available settings: n, 7, Tx+ / o, 7, Tx+ / e, 7, Tx+ / n, 8, Tx+ / o, 8, Tx+ / e, 8, Tx+ /
n, 7, Tx- / o, 7, Tx- / e, 7, Tx- / n, 8, Tx- / o, 8, Tx- / e, 8, Tx-
Sleep Time: 1 min
Available settings: OFF, 5 sec, 30 sec, 1 min, 10 min, 1 h, 12 h, 32 h

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Font #: 1
Available settings: 1, 2, 3, 4
Text orientat: Text mode (D0)
Available settings: Text mode (D0), Data mode (D1)
Char. size: W0/H0
Available settings: W0/H0, W0/H1, W0/H2, W0/H3, W1/H0, W1/H1, W1/H2, W1/H3
Char. spacing: 0
Available settings: 0, 1, 2, 3, 4, 5, 6, 7
Print width: 48 mm
Available settings: 48 mm .... 32 mm
For the REA TD-GPT-U the settings shown here must be used. If settings are changed the report print may be
incorrect or is not possible.
10 LED Status
LED "STATUS" (green)
The STATUS LED flashes slowly green if printer is ready and no fault is detected. It will flash red in regular
intervals in case of a fault. During fast charging, the STATUS LED will flash green in regular intervals, while it
permanently on (green) during trickle charge.
11 Error Detection and Recovery
If there is a problem with the printer it does not necessarily mean that the printer is faulty. Some problems can be
solved by the operator.
The following tips are intended to give the operator some assistance for this.
Hints for error recovery
Hardware-RESET: Triggered by holding down the OFF/NEXT key for more than 3 seconds.
This causes the printer to be set to the parameters in the batch file TINIT-F or TINIT-E (printer internal)
Test print: Is triggered by holding down the FEED key for more than 3 seconds after switching on (disable test
print with the OFF/NEXT key).
Hex dump mode: Is triggered by holding down the FEED key for more than 3 seconds after switching on while
no paper is inserted. After the paper has been inserted, the printer prints the data it receives as hexadecimal
digits together with the appropriate ASCII interpretation. This shows the complete binary data stream the printer
receives from the USB interface. To disable the hex dump mode the paper must be removed and the Feed key
has to be pressed for 3 seconds or longer. The printer reinitializes to the last settings.

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Symptom Possible reason Action
The printer seems to be printing.
Paper is transported, but is not
blackened.
Paper: Incorrect side at the print
head. Only one side of the paper is
printable.
Insert paper correctly. The thermo
sensitive side is usually the roll
outer side.
Test: Move quickly with a fingernail
over the paper. The correct side
gets a black line caused by friction
heat.
Printer can not be switched on by
pressing the FEED key
No power, Batteries are empty
If starting to print the Status LED is
only shortly on and then off
The printer prints only a few
characters in one line. If a full line is
printed the printer stops.
The printer prints only a few dots
per line
Paper feed works but self test not
Power supply is not good. Batteries
are not charged well
Check power supply and charge
batteries. After at latest 1 minute
the Status LED shall be green.
Batteries have been charged over
night but printer prints only a few
lines or not at all.
The battery is used up or has been
charged incorrectly. If battery has
been totally discharged lifetime
goes down and capacity is lost.
Totally discharged batteries may
cause to abort charging within less
than 30 minutes (charging goes
into trickle charge). In this case the
power supply needs to be removed
to reinitiate charging. If printer is
not in use for a longer time it should
be switched off completely. If not
used longer than 3 months then
each three months the batteries
needs to be charged
Interface
Printout is incomplete The printer gets data faster than it
can print. The internal buffer can
buffer store 256 bytes. More data is
lost.
Check printer settings
Check printer driver settings
Interface trouble. Data transfer is
jammed.
Check cable and replace itThe printer prints incorrect
characters
Incorrect printer setup Correct printer setup

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12 CE Certification
Component CE
Component see declaration of conformity
Power supply GNG-6V-0,5A-U 55024; 50082-1; 60335-1; 60742;
60950/A1 u. A2
DECLARATION OF CONFORMITY
in compliance with EN 45014
Konformitätserklärung
in Übereinstimmung mit EN 45012
Supplier: REA Elektronik GmbH
Anbieter
Address: Teichwiesenstrasse 1, 64367 Mühltal, Germany
Anschrift:
Product: REA TD-GPT-U
The product described above is in conformity with / Das oben beschriebene Produkt ist
konform mit:
DIN EN 55022 : 1998
DIN EN 55024 : 2003
Mühltal, 2
nd
of July 2007
Mühltal, den 02.Juli 2007
Wolfgang Pauly
Managing Director / Geschäftsführer

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13 Technical data
REA TD-GPT-U
Print head Fix mounted thermal print head
Paper/print width/ diameter Thermal paper: 57,0 ± 0,5mm / 48mm / max. 31mm /
about 11 m in case of 60 g/m
2
Resolution 8 dots / mm (203 dpi) , 384 dots / Print line
Print speed up to 50mm/s / 16 lines/s line / 3mm, i.e. 24 print lines
high
Layout options Text; graphics, Text-/data mode; bar code; gray on
white; inverted white on black, characters spread in
height and width
Character sets, cpl 24 (32, 42, or 54) select by control command or menu
Barcode Code39, 2/5int, EAN13, EAN8
Interface Internal USB to serial converter, Parameter: Baud rate:
1200, 2400, 4800, 9600, 19200, 38400, 57600 and
115200 Data: 7, 8; Stop bits: 1, 2; Parity: non, odd,
even
Handshake: Hardware and XON / XOFF
Buffer 255 Byte
Data compression (PCL) Factor ca. 3 :1 (for printing graphics)
Batteries Rechargeable battery pack 4x NiMH cells, 1500 mAh
Max charging temperature 30 °C
Power supply Unregulated socked power supply 6V, 500 mA
Current drain USB Online Idle-Mode: typ. 10 mA; Sleep-Mode: typ. 25
µA; Power-Off-Mode: < 1 µA
Environment 0 °C up 50 °C (-10 °C up to +60 °C with special paper)
10 % to 80 % rel. Humidity, not condensing
MTBF 50 km paper use
Sizes in mm 76,8 mm x 77,4 mm x 39,3 mm
Weight approx. 350 g paper roll incl.
Housing PC-ABS with 15 % glass fibre, black

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14 Sizes

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15 Warranty conditions
REA Elektronik guarantees that the delivered unit is free of any material or manufacturing errors. This
guarantee is valid for a period as stated in the order confirmation. The guarantee will be void if the unit
is not used according to the user's manual.
Warranty repair
If the unit has a malfunction during the warranty period REA Elektronik will provide a free repair. Before
sending a unit for repair the user's manual should be checked to ensure the unit has been used
correctly.
Return unit for repair
If the unit has to be returned the original package must be used. The shipping costs are paid by the
user. REA Elektronik recommends taking out shipping insurance. After repair the unit will be sent back
free of charge to the customer.
In case the unit has been sent back in another package and the unit was damaged during transport the
repair will be fully charged.
General warranty conditions
In no event will REA Elektronik or its suppliers be liable for any consequential, incidental or special
damages, including any lost profits or lost saving, even if a REA Elektronik representative has been
advised of the possibility of such damages, or for any claim by any third party.
After-sales service after the period of warranty expires
Please contact REA Elektronik or distributor in your country.
Specifications are subject to change without notice
REA Elektronik GmbH •
••
•D-64367 Mühltal-Waschenbach /Germany