GeBe GPT-6776 User manual

GeBE E + F GmbH • www.gebe.net • GeBE Doc.No.: SMAN-E-685-V1.2 Thermal Printer GPT-6776
Operating Manual
GPT-6776
Up to 200 mm/s fast
High Resolution 203 dpi
Text • Graphics • Barcode
Interfaces: RS232 and USB
60/82 mm Paper Width • Anti-Jam-Unit
Integrated Cutter
GeBE Document No.:
SMAN-E-685-V1.2
Status: 25.03.2011
Printed: 25.03.2011
German: SMAN-D-684
GeBE MOTION Presenter Printer
Elektronik und
Feinwerktechnik GmbH
Modules and devices for input,
analysis, display and printing of
analog and digital data.
®
GeBE Elektronik und Feinwerktechnik GmbH
Beethovenstr. 15 • 82110 Germering • Germany • www.gebe.net
Phone: [phone] • Fax: [phone] • E-Mail: [email protected]
The GeBE logo is a registered trademark of GeBE Elektronik und Feinwerktechnik GmbH. All other brands named in this brochure are
properties of the respective companies. Errors and changes reserved. The technical data given are non-committal information and do not
represent any assurance of certain features. Our terms of payment and delivery apply.
Copyright © 2011 GeBE Elektronik und Feinwerktechnik GmbH. All rights reserved.
GeBE Contacts
Printers: GeBE Elektronik und Feinwerktechnik GmbH • Email: [email protected] • www.gebe.net
Keyboards: GeBE Computer & Peripherie GmbH • Email: [e-mail] • www.tastaturen.com
Internet Applications: www.gebe.net

Contents • Safety Instructions
2
1 Safety Instructions
1.1 Symbols and their meaning
Carefully read all safety instructions!
ATTENTION
concerns your personal safety and must be observed at all times. It is essential to forward these instructions to
all other personnel using this device.
CAUTION hot surfaces
concerns your personal safety and signals a risk of being burned on touch. It is essential to forward these in-
structions to all other personnel using this device.
TIP
concerns equipment safety.
The adherence of all instructions, as well as the appropriate application and use in accordance with the operating
instructions are binding for product liability and product warranty. Attempts by the customer to repair the device
will make all warranty claims null and void.
For technical questions, please contact GeBE Technical Support.
Instructions marked with a require consultation with GeBE Technical Support.
Tips marked with a will help you to utilize your printer to its fullest.
Documents or Internet links are marked with a , referring to more detailed or additional information.
Contents
Chapter Description Page Chapter Description Page
----------------------------------------------------------------------------------------------------------------------------------------------------------
1 Safety Instructions 2
1.1 Symbols and their meaning 2
1.2 Device Information 3
2 Description 4
3 Delivery content 5
3.1 Unpacking 5
3.2 Standard version 5
3.2.1 Standard paper 5
3.2.2 Cables 5
3.2.3 Power Supply 5
3.3 Driver software 5
3.4 Options 5
4 Layout and Functions 6
5 Connecting the Printer 7
5.1 Power Supply (5) 7
5.2 Serial Interface (6) 7
5.3!USB!Schnittstelle!(7) 8
5.4 Activation of the interface 8
5.5 Near Paper End Sensor (8) optionally 8
6 Function principle of the presenter 9
6.1 Functional elements 9
6.2 Functional routine 9
7 Installation 11
7.1 Installation using mounting tabs M4 11
7.2 Mounting the paper holder 12
8 Exchange of paper 13
9 Status signals of the printer 14
10 Character Sets 15
11 Troubleshooting and Recovery 16
12 Service 17
13 Declaration of Conformity 18
14 Mechanical Dimensions 19
15 Technical Data 20
GeBE E + F GmbH • www.gebe.net • GeBE Doc.No.: SMAN-E-685-V1.2 Thermal Printer GPT-6776

Safety Instructions •Description
3
1.2 Device Information
TIP
•The device may only be opened or repaired by
authorized personnel. Never open the device or
carry out repairs yourself. Always contact an autho-
rized technical service. You can find all necessary
service information in the chapter "Service and
Maintenance".
•Before the device is turned on, make sure that the
system voltage of your installation matches the
supply voltage of the device. The device characte-
ristics are printed on the name plate and in the
technical data.
- The name plate is located on the underside of the
device.
- For the technical data of this device, refer to the
chapter "Technical Data".
•Peripheral devices that are connected to the
interfaces and the DC circuits of this device have to
meet the requirements for low safety voltage in
accordance with EN/IEC 60950.
•Switching off the device does not completely
disconnect it from the power supply. Your device is
only disconnected completely, when the power is
unplugged.
ATTENTION
•Please make sure that the power supply cable is run
in such a way that nobody trips over it, and it can-
not be damaged by other devices.
CAUTION hot surfaces
•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. Do not put heat sensitive objects
close to this heat source.
GeBE E + F GmbH • www.gebe.net • GeBE Doc.No.: SMAN-E-685-V1.2 Thermal Printer GPT-6776
Safe operation of this device is only warranteed, if
the instructions in this operating manual have been
complied with.
For installation: Always disconnect system power
supplies.
Only use manufacturer's parts and accessories.
TIP
•Avoid constant high humidity and condensation.
Protect the device from being splashed and from
coming in contact with chemicals.
•Only use spare parts and accessories supplied or
authorized by GeBE. The use of unauthorized parts
or accessories may considerably affect the function
and safety of the device. All parts included are listed
in the chapter "Packing List", while the original ac-
cessories are listed in the chapter "Parts and Acces-
sories ".
•It is no longer possible to safely operate the device,
if:
- the housing has been damaged due to mechanical
overload.
- moisture reached the inside of the device
- smoke is coming from the inside of the device
- the power supply cord is damaged
- the device stopped working properly
Unplug or turn off the device immediately, when such a
failure occurs, and contact GeBE customer service.
See chapter "Service and Maintenance".
We explicitly state that all product liability and gua-
ratee claims are null and void, if the device has not
been used in accordance with the instructions in
this operating manual or on the device itself, or if it
has been used inappropriately.

Description
4
GeBE E + F GmbH • www.gebe.net • GeBE Dok.Nr.: SMAN-E-685-V1.2 Thermal Printer GPT-6776
2 Description
Small and compact
Nowadays most kiosk terminals are constructed in a
smaller and compacter way. If the built-in situation al-
lows only little space the GeBE-MOTION GPT-6776
with its dimensions of 122x82x108 mm (including pre-
senter) is the optimum selection for this purpose. No
matter if feeding paper from roll or tickets from stable,
it will be transported to the printer mechanism and
therefore automatically unwound. The paper status
will be detected by the installed paper end sensor.
Perfect Presentation
First the printout is completed and cut. Afterwards the
output is presented for removal with high-speed of up
to 400 mm/s. As soon as the user pulls the ticket the
presenter recognizes the tension and moves the prin-
tout forward. In case the user does not remove the
printout within a certain time (programmable), the pre-
sent&retract-function causes tracking back the ticket.
GeBE Controller
The Controller GCT-6799, developed by GeBE, con-
trols these fast printouts reliably. It has been com-
bined with a robust printer mechanism based on the
mechanics of the established industrial printer module
family INFO from GeBE to form a new product. The
presenter printer GeBE-MOTION printer for the kiosk
field is impressive not only because of its speed, but
also because of its extremely compact format as well
as its ease of servicing and versatility.
Anti-Jam-Unit
The GeBE-MOTION is equipped with an Anti-Jam-
Unit. It will stop a printing process in case the printout
is external constrained through retaining or holding up
the ticket. After remedying the jam, the printout will
continue. Otherwise the printer automatically switches
off after 1 minute waiting time.
Paper width
60 or 82 mm, adjustable with slide-in adjuster
Extensive Layout Commands
The availability of extensive layout commands and the
selection of eight character sizes allow an attractive de-
sign of the ticket printout.
Easy Software Adaption
The user himself is able to change the setup settings for
e.g. blackening, text size, RS232-control, et cetera. If de-
sired, command and font adaptions will be delivered fac-
tory-made.
2 Different Interfaces
Serial RS232 and USB interfaces are installed.
Downloads
Firmware, fonts, logos, macros, settings, etc. can easily
be sent via PC as a file to the printer through the active
interface and can permanently be stored.

Delivery content 5
GeBE E + F GmbH • www.gebe.net • GeBE Doc.No.: SMAN-E-685-V1.2 Thermal Printer GPT-6776
3 Delivery content
3.1 Unpacking
Please check during the unpacking process that all
parts have been delivered completely and undamaged.
Make sure to remove all parts from the packaging ma-
terial. Claims for damages caused during transport can
only be asserted, if the carrier is informed without de-
lay. Please prepare a survey report and send it back to
the supplier along with the damaged part.
3.2 Standard version
Thermal printers (OEM) will be delivered without acces-
sories. Please order accessories seperately.
Delivery content:
• Operation Manual SMAN-D-684 in German or SMAN-
E-685 in English. All actual documents are also avail-
able from our website www.oem-printer.com/motion
for download.
• Thermal paper 1 roll fitting to adjusted width
• Interface cable for RS232 and USB
• Power supply
• Fastening screws
3.2.1 Standard paper
(A=outside coated WR=water resistent):
• GPR-T01-060-070-025-080A/WR:
50 pcs. thermal paper rolls w: 60 mm, th: 80 µm,
diameter: 70 mm, core diameter: 25 mm, life: 7 years
• GPR-T01-082-070-025-080A/WR:
50 pcs. thermal paper rolls w: 82 mm, th: 80 µm,
diameter: 70 mm, core diameter: 25 mm, life: 7 years
3.2.2 Cables
• GKA-245-1-500
power supply, 2 single wires, 1.0 mm2,
500 mm, one end open, wire end sleeves
• GKA-406-2-1000
round cable, 1,000 mm, 5pin to JST plug at
controller, with 9 pin SUB-D socket to RS232
interface at the host (PC)
• GKA-570-USB-FS-MOLEX-2,0 m
cable USB to Molex, length 2.0 m, for full speed
transmission
• GKA-322-1-190
cable NPE, 3 pins plug to JST-S03-B-XH-A
JST S03-B-XH-A
In order to ensure the CE standard, it is recommended to
use a type 74271132 snap ferrite from Würth on the USB
cable or equivalent filter elements. The component has to
be placed as close as possible to the printer.
3.2.3 Power Supply
• GNG-24V-6.5A-AC:
open frame power supply 24 V / 6,5 A
3.3 Driver software
The printer controller GCT-6799 is supported by follo-
wing Windows® drivers:
Windows® CE.Net 4.2, 5.0, Windows® 2000 and XP
The driver software can be downloaded from the GeBE
website: www.oem-printer.com
3.4 Options
• Paper Exit Sensor
• Anti Jam Unit
• Mini-USB, Mini Device Socket for 24 V connection
• Customer specific roll holder for rolls Ø > 80 mm
• Power supply via mini device plug
• Paper Rest Sensor
In order to ensure the CE standard, it is recommended to
use the indicated power supply or equivalent filter ele-
ments. The component has to be placed as close as pos-
sible to the printer.

Layout and Functions
6
GeBE E + F GmbH • www.gebe.net • GeBE Dok.Nr.: SMAN-E-685-V1.2 Thermal Printer GPT-6776
4 Layout and Functions
Mounting Tabs horizontal 2
Paper insert 1
TIP
The technology and equipment of the product described in this manual are in accordance with the latest state of national and
international requirements in regard to function and safety. Further developments and advancements are continously being
considered. For this reason, illustrations, dimensions, technical data, and general content shown in the following may change
without prior notice.
This operating manual is designed to help you operate our product, which has been developed and manufactured according
to the most modern technology standards, with its multiple options, optimally and securely. Please read this manual carefully
before initial operation and store it in close proximity of the device, so it will be available if needed.
Should you have any further questions, please contact our personnel. Phone numbers and email addresses are listed in the
chapter "Service and Maintenance".
5 6 7 8
Paper insert 1
4 Adjuster position
Description
1 Paper insert
2 Mounting Tabs horizontal 2x
3 Bezel for paper insert
4 Adjuster position
5 Power supply
6 24V RS232 serial
7 USB
8 NPE-Sensor connection
9 Test LED
10 Status LED
11 FEED button
9 10 11

Connecting the Printer 7
GeBE E + F GmbH • www.gebe.net • GeBE Doc.No.: SMAN-E-685-V1.2 Thermal Printer GPT-6776
5 Connecting the Printer
For installation:
Always disconnect system power supplies!
5.1 Power Supply (5)
The power supply is connected through commercial
connectors from the supplier Phoenix.
The connectors are equipped with screw clamps.
Mounting merely requires a size 1 screw driver.
Wires have to be covered with wire end sleeves.
Cable Diameter
0.5 mm2for cable length < 0,5 m
0.8 mm2for cable length < 1.5 m
1.0 mm2for cable length < 2.0 m
Pin
Signal
Input/
Output
Comment
1
2
GND
TXD
-
I
Ground
Print data
3
4
5
RXD
RTS
0
I
CTS
0
Error signals and Xon/Xoff messages
Handshake input of the controllers
Controller handshake output
LSB MSB Start StopPar Start
0 1 2 3 4 5 6 7
Bit
1 Character: (1Start, 8 Data, 1 Parity, 1 Stop)
"1" (Mark)
"0" (Space)
Attention : the standard configuration has no paritybit
Attention : the standard configuration has 1 stopbit
Signal Level on TTL interface Level on RS-232 interface
"1" (Mark) +5V (TTL-level) -3V ... -12V
0V (TTL-level) +3V ... +12V "0" (Space)
RS232 USB
NPE
Power!24V
Pin:
1!2!3
+ -
Pin!1!(left)
5.2 Serial Interface (6)
The RS232 is connected through a commercial Sub-D
connector. 5 pin to JST connector at controller, with 9
pin SUB-D socket to RS232 interface at the host (PC).
The pin assignment is 1:1, whereas no null-modem line
is needed.
(5)
(6)
(7)
(8)
no.
connections
J13
J12
power supply
RS232
J4/J2
J26
USB
NPE
printer
+/-
5-polig
Phoenix 1803277, MC1,5/2-G-3,81
JST SM05B-SRSS-TB
counter part
Phoenix 1803578, MC1,5/2-ST-3,81
JST SHR-05V-S
5-polig
3-polig
Molex 53261-0571
JST S3B-XH-A
Molex 51021-0500
JST XHP-3

Connecting the Printer
8
GeBE E + F GmbH • www.gebe.net • GeBE Dok.Nr.: SMAN-E-685-V1.2 Thermal Printer GPT-6776
5.5 Near Paper End Sensor (8) optionally
The optical sensor will be screws sideways at the pa-
per roll holder. Detectable distance to the paper roll is
in a range of 0.5 to 1.0 mm.
Pin
Signal
Input/
Output
Comment
1
2
Vcc
GND
-
-
3
4
5
D-
D+
I/0
I/0
GND
-
5.3!USB!Interface!(7)
USB!specification:
V1.1 (V2.0 compatible)
USB full speed, 12 Mbit/s
Cable!USB!to!Molex,!Length!2,0!m,!for!full speed!data!
transfer.!Plug!connector!Molex!to!USB!Typ!A.!
Device Type:
vendor specific device or printer class
USB!printer!class:
The!USB!Device!Class!corresponds!to!a!"Printer Class".
After having connected the device, the PC reports the
message!"USB!printer!support"!and!installs!a!"USB001"
USB!port.
Typical power consumption (no printing):
30 mA - USB active / printer active
25 mA - USB active / printer sleep
0,3 mA - USB suspend / printer sleep
Never activate an action in the printer driver at the job
end. This can cause a loss of data.
Windows XP and Windows CE handle the numeration
of a printer differently. Therefore, the printer must be
configurated to the operating system before delivery.
Pin
Signal
Comment
1
2
GND
NPE_IN
3
NPE_LED
5.4 Activation of the interface
USB:
The USB interface will be actviated through plug in of
USB connector and performing a RESET.
This automatically deactivates the RS232 interface.
RS232:
The RS232 interface will be activated through plug in
of RS232 connector and performing a RESET.
This automatically deactivates the USB interface.
With both interfaces (USB and RS232) being connec-
ted, the USB interface has first priority.

Function principle 9
GeBE E + F GmbH • www.gebe.net • GeBE Dok.Nr.: SMAN-E-685-V1.2 Thermal Printer GPT-6776
6.1 Functional elements
1. Paper insert, here: insert from roll holder
2. Printer
3. Cutter
4. Insert mechanism
5. Presenter sensor
6. Anti Jam Unit
7. Output beak
1
2
3
4,5
6
7
6.2 Functional routine
1. Paper insert
The paper/ticket will be inserted until the print
position at the print head is reached. The exact
insert length/print position will be defined either
through setting a fixed insert length or via imprinted
black marks on the paper/ticket which will be
detected by a black mark sensor.
2. Ticket print
During the print process the ticket will be transpor-
ted downwards into the presenter unit.
presenter unit
presenter sensor
6 Function principle of the presenter
3. Cutter
After the print has been finished the paper/ticket will
be cut by the integrated cutter.
Potential errors:
- during the printing process:
In case the paper/ticket does not reach/pass the
presenter sensor because of any error or jam, the
cutter will not cut off the paper/ticket.
At that instance the paper/ticket will first be slowly
(90 mm/s) backtracked by 10 mm and then pushed
forwards by 50 mm. After this procedure the cutter
performs the cut. The paper/ticket snip falls down into
the internal trash.
If this routine has not been successfully performed, it
will be repeated once. If the second attempt also fails,
the printer stops and indicates an ERROR.
In case of an ERROR, the status LED flashes and a
message will be sent to the connected PC/host
system.

Function principle
10
GeBE E + F GmbH • www.gebe.net • GeBE Dok.Nr.: SMAN-E-685-V1.2 Thermal Printer GPT-6776
4. Presenting the paper
The completed imprinted paper/ticket will be
transported to the exit position at a speed of
400 mm/s.
The presentation length "L" determines how
far the paper/ticket comes out off the output
beak.
"L" is programmed in parameter 29:
Lmin. = 10 mm - Lmax. = 400 mm
L
5. Take the ticket
With only lightly pulling on the ticket, the presenter will
immediately push out the ticket.
In case of any jam (for example: the user resists or holds on
the ticket) the anti jam function interrupts the exit process.
Potential errors:
- during the exit process:
In case a jam occurs during the exit and the anti jam sensor
stays occupied (sees paper), the paper/ticket will be slowly
(90 mm/s) backtracked by 10 mm. With command ESC f the
paper will be fed out.
If this routine has not been successfully performed, it will be
repeated once. If the second attempt also fails, the printer
stops and indicates an ERROR.
The ERROR situation has to be remedied manually. As soon
as the anti jam sensor is free, the printer is ready for printing
again.
In case of an ERROR, the status LED flashes and a
message will be sent to the connected PC/host system.
Anti Jam Sensor
6. Backtracking function
In case the presented paper is not taken within a
certain time period (programmed in parameter 30),
the presenter will backtrack the ticket and transport
it into the internal trash.
Adjustable time period: 0 (never) to 255 seconds.
Potential errors:
- during the backtracking process:
In case a jam/error occurs during the backtracking
process and the presenter sensor is not getting free
(still sees paper), the paper/ticket propably got
stuck in the presenter or is held on from outside.
If this happens, the backtrack will be repeated
once. If the second attempt also fails, the printer
stops and indicates an ERROR.
The ERROR situation has to be remedied manually.
As soon as the presenter sensor is free, the printer
is ready for printing again.
In case of an ERROR, the status LED flashes and a
message will be sent to the connected PC/host
system.

Installation 11
GeBE E + F GmbH • www.gebe.net • GeBE Dok.Nr.: SMAN-E-685-V1.2 Thermal Printer GPT-6776
7 Installation
7.1 Installation using mounting tabs M4
The GPT-6776 can be installed horizontally with two
mounting tabs. For a service-friendly disassembly, the
printer can be taken off by pushing it up after untigh-
tening the srcews (M4) .
Halteösen

Installation
12
GeBE E + F GmbH • www.gebe.net • GeBE Dok.Nr.: SMAN-E-685-V1.2 Thermal Printer GPT-6776
7.2 Mounting the paper holder
The paper holder can be mounted on the left side of the
printer. Paper rolls of diameter 80 or 150 mm diameter
can be used.
Assembly:
1. Mount the paper hold onto the printer with 3x M3x6
screws DIN7985.
2. Screw near-paper-end sensor onto the holder with
1x M2x5 screw DIN7985 and connect the sensor
cable.
Attention:
Make sure to use right screw lengths.

Exchange of paper 13
GeBE E + F GmbH • www.gebe.net • GeBE Dok.Nr.: SMAN-E-685-V1.2 Thermal Printer GPT-6776
Which Thermal Paper is Suitable?
The printers are specified for 60 mm and 82 mm +/- 0.5
paper widths, up to 150 µm paper thickness.
Other papers may cause failures:
Thermal papers that are resistant against water, grease,
or alcohol are available for special applications. We will
gladly assist you in selecting the right thermal paper for
your purposes.
Which side of the thermal paper can be printed
on?
The inside of the paper roll is often the printable side.
The thermal paper of the Compact printer is outside
coated. In case of doubts, try the finger nail test:
Quickly run the tip of a finger nail across the paper,
applying pressure. The friction heat will cause blacke-
ning on the thermo-sensitive side.
Inserting the paper:
- Pull empty paper roll core off of the paper axle.
- Replace with new paper roll.
- Position paper on the paper feeding tray and push it
toward the printer mechanism
- As soon as the printer mechanism recognizes the
paper, it is automatically pulled inside.
- The paper is now inserted.
8 Exchange of paper

Status signals of the printer
14
GeBE E + F GmbH • www.gebe.net • GeBE Dok.Nr.: SMAN-E-685-V1.2 Thermal Printer GPT-6776
9 Status signals of the printer
The bits are defined as follows:
Status Byte 1
Bit LED Status 0 1
0 on paper near end paper low paper OK
1 1:1 paper present not present
2 1:1 temperature OK print head too hot/cold
3 1:1 head closed open
4 1:1 paper jam/cutter no error error
5 on Rx error no error Rx error
6 always 0
7 always 1.
Mode 2 is activated through bit 1 in parameter 23. To signal an error status, two bytes are sent to the host at all
times.
Die beiden Bytes sind durch Bit 7 unterscheidbar:
Status Byte 2
Bit LED Status 0 1
0 on AUX1 label, black mark closed open
1 on AUX2 closed open
2 on AUX3 closed open
3 on AUX4 closed open
4 always 0 (identifier)
5 always 0 (identifier)
6 always 1 (identifier)
7 always 1 (identifier)
Status Byte 3 (Presenter)
Bit LED Status 0 1
0 on timeout ticket removal default timeout: ticket will be backtracked
1 on ticket in exit position default ticket waits in exit position for removal
2 on error ticket removal default problem at ticket removal
3 1:1 error ticket removal default Jam at ticket removal
4 always 1 (identifier)
5 always 0 (identifier)
6 always 1 (identifier)
7 always 1 (identifier)

Character Sets 15
GeBE E + F GmbH • www.gebe.net • GeBE Doc.No.: SMAN-E-685-V1.2 Thermal Printer GPT-6776
Cyrillic
Optional Character Sets
The following character sets are currently
available and can replace other character
sets in the flash memory of the µ-proces-
sor. Please contact us with your inquiry.
GeBE will gladly create additional character
sets.
Font Sizes
The number of printable characters per line depends on the physical features of the printer used. Below are some
examples:
Font 576 Dots/Line Width Height
Small Font (8x16) 72 CPL normal normal
Low Font (16x16) 36 CPL double normal
Narrow Font (8x32) 72 CPL normal double
Normal Font (16x32) 36 CPL double double
Wide Font (32x32) 18 CPL quadruple double
High Font (16x64) 36 CPL double quadruple
Large Font (32x64) 18 CPL quadruple quadruple
Xlarge Font (64x128) 9 CPL eight times eight times
10 Character Sets

Troubleshooting and Recovery
16
GeBE E + F GmbH • www.gebe.net • GeBE Doc.No.: SMAN-E-685-V1.2 Thermal Printer GPT-6776
11 Troubleshooting and Recovery
Not every failure means that there is an error that cannot be cleared by the user himself. You will save time and
money by recognizing and fixing simple errors on your own. The following tips are meant to help you with this:
Hardware RESET: Activated by unplugging and reconnecting the power supply after a short break.
This sets the printer in accordance with the TINIT-F and/or the TINIT-E in the batch file.
Symptom
Possible Cause
Remedy
The printer seems to be
printing, but the paper is
not blackened.
The printer only prints a few
characters in one line. If
more is entered, it stops
printing altogether.
Paper inserted incorrectly.
The power supply is not optimal.
Insert paper correctly.
Use sufficiently sized power supply and short feed
lines. Check all connections for possible transfer
resistances. Since high peak currents occur with
thermal printers, even the smallest transfer
resistances can result in intolerable voltage drops. In
this case, no power supply would be strong enough.
Buffering with capacitors is possible, if the power
supply is only too weak by a small margin and large
capacitors (e.g. 4,700 µF; high switching capability)
are used.
The printer only prints a few
dots in one line.
After a few characters, the
printout starts to be
incomplete.
The printer prints the wrong
characters.
The printer buffer is "over-run" (160 bytes),
causing loss of data.
Solution: Use or check handshake. (software: Xon/
Xoff or hardware).
If necessary: slow down transmission speed, e.g.
down to 1,200 baud.
(See MAN-D-376 Interface Settings)
TTl instead of RS232 interface or vice-
versa. (Characters of the upper area are
printed).
Bad ground connection that causes a part
of the printing current to flow through the
interface cable. This leads to an increase
in potential there, which results in data
corruption.
Use correct interface.
Repair ground connection.
Printer works with a PC, but
not at the machine.
Host sends a break signal after print job
(only "?" are printed).
Printer is electrically incompatible with the
host.
GeBE can adjust this.
Please give us a call.
Measure level of the line signaling the erros.
GeBE can adjust this.

Service 17
GeBE E + F GmbH • www.gebe.net • GeBE Dok.Nr.: SMAN-E-685-V1.2 Thermal Printer GPT-6776
12 Service
Warranty
We guarantee that all goods supplied by GeBE possess the warranted features. The guarantee period for OEM's
is 12 months unless other terms have been agreed upon in writing, and is calculated from the date of shipment.
The warranty is null and void, if the customer fails to claim an occuring defect without delay and in writing.
Detailed information on our warranty is part of our terms of delivery and payment, which can be seen and
downloaded at www.oem-printer.com/lzb (home page chapter: About Us).
Service
For service or questions, please contact: GeBE Elektronik und Feinwerktechnik GmbH
Beethovenstr. 15 • 82110 Germering • Germany • www.gebe.net
Phone: [phone] • Fax: [phone] • Email: [email protected]
Further Information
Further information on the INFO printer series is available at www.oem-printer.com/compact.
At this address, you can also find a personal consultant you can turn to with your questions.
Or, simply send an email to the GeBE sales team: [email protected]
For orders you can use this fax number: +49 (0) 89/894141-33

Declaration of conformity
18
GeBE E + F GmbH • www.gebe.net • GeBE Doc.Nr.: SMAN-E-685-V1.2 Thermal Printer GPT-6776
13 Declaration of conformity
In order to ensure the CE standard, it is recommended to use a type 74271132 snap ferrite from Würth on the USB cable plus the po-
wer supply no. GNG-24V-6.5A-AC or equivalent filter elements. Both components are to be placed as close as possible to the printer.

GeBE E + F GmbH • www.gebe.net • GeBE Doc.No.: SMAN-E-685-V1.2 Thermal Printer GPT-6776
14 Mechanical Dimensions
A
B
Mechanical Dimensions 19

GeBE E + F GmbH • www.gebe.net • GeBE Dok.Nr.: SMAN-E-685-V1.2 Thermal Printer GPT-6776
GPT-6776
Dots per mm
Cutter
576, optional 640
Full and partial cut (small connection remains)
Printer Buffer
Near-Paper-End Sensor
Paper Exit Sensor
Print Speed
256
Serial signal to host system
optional, serial signal to host system
up to 200 mm/s
Paper / Print Width
Supply Voltage
Max. Current Standby
Max. Printing Current app.
60 or 82 /up to 72, optional 80 mm
24 V DC
ø 5 A (up to 20 A peak current)
3 - 15 A, adjustable by command
Interfaces
Baud Rates
(standard: bold)
Data Compression
Character Sets, CPL
RS232 bis 460 kbps, USB
1,200/2,400/4,800/9,600/19,200/38,400/57,600/115,200 (115, n, 8, 1)/230,400/460,800
Mode: selectable: 7, 8 data bits / 1, 2 stop bit / none, odd, even parity
Handshake: Hardware handshake and XON / XOFF
Factor app. 3 :1 (for graphics commands); PC compatible; Windows driver
36, 72 optional 40, 80
Bar Code
Environment
MTBF
Roll Diameter
Code39 / EAN13 / 2of5 / optional 128c
-10°C to +60°C with specified paper
10% to 80% relative humidity, no moisture condensation
100 km printed paper / 500,000 cuts
80 or 150 mm
Paper Thickness
Housing
Standards
Weight
60 - 150 µm
stainless steel
CE : see declaration of conformity
approx.:. 1.100 g
Dimensions without Holder
130 x 81,7 x 121,7 mm
15 Technical Data
Technical Data
20