Jiangmen Dascom Computer Peripherals DP581A portable receipt and form printer User Manual user s manual WF
Jiangmen Dascom Computer Peripherals Co.,Ltd. portable receipt and form printer user s manual WF
User Manual

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iwww.printek.com|P:888.211.3400|F:269.222.1229|E:info@printek.com
FCC Part 15 Class B 
This device complies with Part 15 of the FCC Rules.  Operation is subject to the following two conditions:  (1) this device 
may not cause harmful interference, and (2) this device must accept any interference received, including interference that 
may cause undesired operation. 
This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the 
FCC rules.  These limits are designed to provide reasonable protection against harmful interference in a residential 
installation.  This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in 
accordance with the instructions, may cause harmful interference to radio communications.  However, there is no guarantee 
that interference will not occur in a particular installation.  If this equipment does cause harmful interference to radio or 
television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct 
the interference by one or more of the following measures: 
 Reorient or relocate the receiving antenna. 
 Increase the separation between the equipment and the receiver. 
 Connect the equipment into an outlet on a circuit different from that to which the receiver is connected. 
 Consult the dealer or an experienced radio/TV technician for help. 
Normal use distance please maintain 5cm 
This equipment complies with Canadian and FCC radiation exposure limits set forth for an uncontrolled environment.  This 
transmitter must not be co-located or operating in conjunction with any other antenna or transmitter. 
Part 15.21 Caution: Changes or modifications not expressly approved by Printek, LLC could void the user’s authority to 
operate the equipment. 
Canadian Department of Communications Radio Interference Statement 
ThisdevicecomplieswithIndustryCanadalicense‐exemptRSSstandard(s).Operationissubjecttothefollowingtwo
conditions:1)thisdevicemaynotcauseinterference;2)thisdevicemustacceptanyinterference,including
interferencethatmaycauseundesiredoperationofthedevice.UnderIndustryCanadaregulations,thisradio
transmittermayonlyoperateusinganantennaofatypeandmaximum(orlesser)gainapprovedforthetransmitter
byIndustryCanada.Toreducepotentialradiointerferencetootherusers,theantennatypeanditsgainshouldbe
sochosenthattheequivalentisotropicallyradiatedpower(e.i.r.p.)isnotmorethanthatnecessaryforsuccessful
communication.MaximumpoweroutputplusmaximumantennagainoftheEUTis:4.5W/m2,Limitis10Wm2.
LeprésentappareilestconformeauxCNRd'IndustrieCanadaapplicablesauxappareilsradioexemptsdelicence.
L'exploitationestautoriséeauxdeuxconditionssuivantes:(1)l'appareilnedoitpasproduiredebrouillage,et(2)
l'utilisateurdel'appareildoitacceptertoutbrouillageradioélectriquesubi,mêmesilebrouillageestsusceptibled'en
compromettrelefonctionnement.Conformémentàlaréglementationd'IndustrieCanada,leprésentémetteurradio
peutfonctionneravecuneantenned'untypeetd'ungainmaximal(ouinférieur)approuvépourl'émetteurpar
IndustrieCanada.
Danslebutderéduirelesrisquesdebrouillageradioélectriqueàl'intentiondesautresutilisateurs,ilfautchoisirle
typed'antenneetsongaindesortequelapuissanceisotroperayonnéeéquivalente(p.i.r.e.)nedépassepas
l'intensiténécessaireàl'établissementd'unecommunicationsatisfaisante.Lapuissancedesortiemaximaleplusgain
d'antennemaximalduEUTest:4.5W/m2Limiteest10W/m2

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1  www.printek.com|P:888.211.3400|F:269.222.1229|E:info@printek.com 
TABLE OF CONTENTS 
Introduction ......................................................................................................................................................... 2
Printer Features .................................................................................................................................................. 3
Quick Start Instructions ..................................................................................................................................... 4
A.Paper Load ............................................................................................................................................... 4
B.Battery Installation .................................................................................................................................... 5
C.Charge Battery .......................................................................................................................................... 5
D.Power On .................................................................................................................................................. 5
E.Control Panel ............................................................................................................................................ 6
F.Performing a Printer Self-Test .................................................................................................................. 6
Configuration ...................................................................................................................................................... 7
A.Connectivity Parameters ........................................................................................................................... 8
B.Image Parameters .................................................................................................................................. 12
C.Device Config ......................................................................................................................................... 13
D.Fonts ....................................................................................................................................................... 15
E.Graphics ................................................................................................................................................. 16
F.Update Printer Firmware, Upload Files to Printer Memory ..................................................................... 17
G.Reset Printer Configuration to Factory Defaults (Safe Mode) ................................................................ 17
Printing Modes .................................................................................................................................................. 18
A.ASCII Based Print Jobs .......................................................................................................................... 18
B.Graphic Based Print Jobs ....................................................................................................................... 18
Integrating the Printer into your Business Applications .............................................................................. 19
A.Windows Desktop Computers ................................................................................................................ 19
Print Drivers .................................................................................................................................................... 19
I.USB ................................................................................................................................................... 19
IV.Wi-Fi .................................................................................................................................................. 20
B.Windows Tablets and Smartphones ....................................................................................................... 20
C.Android Tablets & Smart phones ............................................................................................................ 20
II.Wi- Fi ................................................................................................................................................. 21
D.Apple™ Tablets & Smartphones ............................................................................................................ 21
II.Wi-Fi .................................................................................................................................................. 21
Media ................................................................................................................................................................. 22
A.Standard Media ...................................................................................................................................... 22
B.Black Mark Media Position ..................................................................................................................... 22
Maintenance and Troubleshooting ................................................................................................................. 23
A.Cleaning .................................................................................................................................................. 23
B.Battery Care ............................................................................................................................................ 23
I.Getting the Maximum Battery Life ..................................................................................................... 23
II.Charging the Battery .......................................................................................................................... 23
III.Additional Battery and Safety Information ......................................................................................... 24
IV.Testing the Power Adapter and Battery ............................................................................................. 24
C.Troubleshooting ...................................................................................................................................... 25
I.General Error Conditions ................................................................................................................... 25
II.Fault Description and Resolution ....................................................................................................... 25
D.Obtaining Service ................................................................................................................................... 26
APPENDIX ......................................................................................................................................................... 27
A.Appendix A – FieldPro 581 Printer Specifications .................................................................................. 27
B.Appendix B – Supplies and Accessories ................................................................................................ 28
C.Appendix C – Media ............................................................................................................................... 29
D.Appendix D – Mounting Options ............................................................................................................. 29
_Toc464736772
Glossary of Terms ............................................................................................................................................ 30
Index .................................................................................................................................................................. 32

2  www.printek.com|P:888.211.3400|F:269.222.1229|E:info@printek.com 
Introduction 
Thank you for purchasing the Printek FieldPro 581 Series mobile thermal printer also referred to in 
this manual as the “DP-581”. The DP-581 series prints on special thermal media supplied in roll form 
up to 8 inches wide.  All models are equipped with a USB port which supports cabled communications.  
All models support an optional internal Wi-Fi interface.  Complete specifications may be found in 
Appendix A – FieldPro 581 Printer Specifications. 
The remainder of this manual focuses on preparing the printer for initial use and performing tasks that 
will be encountered during daily use. 
Maintenance describes how to maintain the printer for optimal performance and has information on 
how to diagnose any problems that may occur. 
Printek recommends using genuine Printek supplied media and accessories.  For detailed lists and 
contact information, please see Appendix B – Supplies and Accessories&Appendix C – Media.

3  www.printek.com|P:888.211.3400|F:269.222.1229|E:info@printek.com 
Printer Features 
Your FieldPro 581 features: 
  Easy-to-read control face and simple drop-in paper loading 
  Quickly prints a wide variety of tickets, and receipts. 
  IP54 rated for water and dust resistance... plus rated for repeated 6-foot drops to concrete 
  Print speeds up to 5 ips  
  Extensive fonts, character sets, bar codes and graphic capabilities 
  Printer configuration is quick and easy with a web based interface 
  The latest in battery technology provides for full-shift printing in all modes 
  Compatible with Windows, Windows Mobile, Apple iOS, and Android 
  Emulations that allow the printer to be a drop-in replacement for nearly any mobile printer 
For detailed specifications reference Appendix A – FieldPro 581 Printer Specifications.
USBDataPort
PowerPort
PaperDoor
ControlPanel
Paperdoorreleasebutton

4  www.printek.com|P:888.211.3400|F:269.222.1229|E:info@printek.com 
Quick Start Instructions 
A. Paper Load ( Media 8.5’’) 
Media 8’’ 
Before loading 8 inch media, users could install a pair of spacers into the compartment so as to 
secure the media. 
Tearpaper
towardsbackof
printer

5  www.printek.com|P:888.211.3400|F:269.222.1229|E:info@printek.com 
B. Printer Installation 
You could put the printer on desktop, carry with your hand or carry it with the should strap (option) 
1) Desktop Installation 
Theprintermustbeinstalledhorizontally.Placetheprinteronasolid,flat,stablesurface;ensurethe
printerisplacedinastablepositionandthereiseasyaccessforuserstothecontrolpanelandroll
paperholder.Alsoensurethereisenoughspaceforsufficientventilationandfortheprintout.
 2) Hans Strap Installation 
The hand strap provides the user with a convenient and secure method of carrying the printer. To 
attach the hand strap to the printer: 
•Insert the end of the strap through the cut out on the front of the printer. 
•Loop the end of the strap back around the cut out and secure it over. 
•Repeat this process for the opposite end of the strap. 
 3)  Shoulder Strap Installation 
If your printer is equipped with the shoulder strap option. Insert each end of the shoulder strap into the 
cut-outs in each top corner of the printer and secure the looped end over the button on the end of the 
strap to fasten. 
Hold the buckle and pull the strap as shown below until you achieve the desired length. 

6  www.printek.com|P:888.211.3400|F:269.222.1229|E:info@printek.com 
C. Battery Installation 
Disposal
Pleasedisposethebatteriesseparatelyandfreeofcostatyoursalesagencyorthedesignatedlocalcollecting
points.
Thereforepleaseconsiderthenationalrecyclingstandards!
DisassemblyandremovalofthebatteriesaredescribedintheUserGuide.
D. Charge Battery 
Uncover the printer ports and plug in your AC power adapter to the Power port (must be a Dascom-
supplied accessory).  The yellow LED will show solid ON while the printer battery is charging. 
NOTE: Charge via USB is not supported, please do not charge via the USB-C port. 
E. Power On 
Depress the Power button on the control panel.  The green LED and the red LED will both be lit while 
the printer is going through its startup sequence (about 20 seconds).  The red LED will go off, leaving 
the green LED on to indicate the printer is ready to print. 
When battery volume goes below 5%, the printer will shut down itself. When it’s below 10%, it will 
flash yello LED as an alarm of low battery. 
Pressbuttontoseebatterychargelevel.
4LED100%charge
3LED75%
2LED50%
Removethetwoscrewandremovethe
battery.

7  www.printek.com|P:888.211.3400|F:269.222.1229|E:info@printek.com 
F. Control Panel 
Control Panel 
Power Button 
Power Up 
Power Down 
Toggle IP over USB 
on/off 
Press & Release 
Press & Hold  
Press twice  
Paper Feed Button 
Advance paper 
Print Setup Report 
Press once 
Press twice 
Power & Status 
(Green/Red) Battery 
(Yellow) Alert 
(Red) Indication 
On Off On Booting up 
On Off Off Ready 
On  Off  Flashing  Paper Error/Lid Open 
Flashing Off Off Job is arriving 
Flashing Off Off Job is printing 
Flashing Off Flashing  IP over USB active 
 Solid  Charging Battery 
 Flashing  Battery Low 
Flashing Flashing Flashing Restart the printer 
manually 
Off  Off  Flashing  Restore the printer 
firmware 
Off  Off  On  Print head too hot 
G. Performing a Printer Self-Test 
  With power on, press the paper feed button twice quickly. 
H. Restore the Printer Firmware 
 1.  When the Power & Status LED is off, and Alert LED flashing, you need to restore the  printer 
firmware. Turn on the printer and wait for around 30 seconds, the printer enters into configuration 
mode, and you could download the firmware via web. 
2.  If any problem occurs during firmware upgrade, and the printer fails to work, you could restore the 
printer firmware as such: 
①You had better use external battery. 
②Turn on the printer by holding both the feeding button and power button for five 
seconds. 
③ With Power LED and  Alert LED flashing, the printer enters into Configuration mode after 30 
seconds. 
④ You could upgrade the firmware via the web. 

8  www.printek.com|P:888.211.3400|F:269.222.1229|E:info@printek.com 
Configuration 
Configuration of the DP-581 printer is done through a built-in web page.  This allows you to configure 
the printer from any device that has a browser and is compatible with your DP-581 communication 
capabilities. 
1. Turn the printer ON. 
2.  Connect a USB cable between the printer and a PC. 
3.  To access the DP-581 web page, push the Power button twice rapidly.  This will put the printer 
into Configuration mode.   
4.  When the printer is in Configuration mode the POWER and FAULT LEDs will flash together. 
 a.  Open browser on your PC and type 169.254.200.1 into the address bar of the browser and hit 
Enter - A login box should appear: 
b.  Type “0000” and hit Enter- you should now be at the home page for DP-581 Configuration. 

9  www.printek.com|P:888.211.3400|F:269.222.1229|E:info@printek.com 
5.  The main configuration screen of the DP-581: 
This is an overview of the printer configuration.  The battery icon shows the relative charge in the 
battery.  The more bars, the higher the charge.  An AC plug will appear in the battery icon when the 
printer is plugged into an external power source. 
To return the printer to normal operating mode, double-click the Power button.  The POWER LED will 
be returned to a solid light. 
At the top of the Main Page are selections to access the sub-menus. 
 Wherever the book icon appears in the printer configuration pages, click it to access the user 
manual pages for help. 
A. Connectivity Parameters 
This page allows you to setup the connection to your printer.  Depending on the optional interface 
installed, you will see either WI-FI Config.  In the detailed descriptions, an asterisk (*) indicates the 
factory default value. 
WI-FI Config: 

10  www.printek.com|P:888.211.3400|F:269.222.1229|E:info@printek.com 
Wireless Configuration 
This will display the current Wi-Fi configuration: 
 IP Address – user defined.  If Static Address Method is selected, type in the address the printer will use 
on the network. 
SubNetMask – user defined.  If Static Address Method is selected, type in the subnet mark of the 
network. 
GateWay – user defined.  If Static Address Method is selected, type in the gateway address of the 
network. 
 WiFi Port – user defined.  Type in the IP port to be used by the printer. (default value = 8023) 
 Address Method – user selectable 
  Static – printer will always connect to the network using the IP address defined. 
  DHCP – printer will acquire an IP address from your network DHCP server 
Personal Area Network –The printer will broadcast itself as a network connection.  The Power LED will 
flash off every two seconds while in this mode.  The SSID will be the serial number of the printer.   
When connecting to the printer, the passphrase is the printer’s serial number. 
Personal Area Network mode can also be activated outside of the printer web page. 
To enter Personal Area Network mode, press and hold the Power and Paper Feed buttons until the 
Power and Alert LEDs light.  Release both buttons, and the printer will restart in Personal Area Network 
mode.  To exit Personal Area Network mode, press and hold the Power and Paper Feed buttons until 
the Power and Alert LEDs light.  Release both buttons, and the printer will restart in normal Wi-Fi mode. 

11  www.printek.com|P:888.211.3400|F:269.222.1229|E:info@printek.com 
Available Networks – access points detected by the printer will be displayed.  Select Add/Connect to use one 
of these access points. 
Previously Connected Networks – access points detected by the printer or added through Add/Edit 
Network will be displayed.  Select Connect to use one of these access points, or Remove to delete it from 
printer. 
Currently Configured Networks – access points added through Add/Edit.  They may not have been 
connected yet.  Select Remove to delete access point from printer. 
Set Date – Some Enterprise network connections require this setting.  Simply enter the current year. 
Add/Edit Network 
Enter the SSID of a network connection.  If authentication is used select the authentication type.  Click Next. 
The following form will change depending on the authentication type: 
WPA-PSK 
Enter the password for the network connection. 
WPA-EAP or IEEE8021X 

12  www.printek.com|P:888.211.3400|F:269.222.1229|E:info@printek.com 
These are Enterprise network settings.  Consult your server manual for recommended settings. 
Upload Digital Certificate 
If your enterprise network uses digital certificates as another form of authentication, you can upload the 
certificates here. 
B. Image Parameters 
This page allows you to make selections about the image to be printed. 
Current Emulation:  
Possible Values: PRINTEK*, ZPL, CPCL, ESCPOS, IPL, AUTOIMAGE, PDF, POSTSCRIPT, IMAGE 

13  www.printek.com|P:888.211.3400|F:269.222.1229|E:info@printek.com 
The DP-581 printer is capable of using several different emulation modes.  This feature sets the family of printer 
commands that may be used by a host application program to control the various capabilities of the printer. The 
printer will only respond to commands valid for the currently selected emulation. For more information, please 
refer to the Integrator’s Guide.  
Besides the popular printer languages to choose from, the following selections allow the DP-581 to print many 
other file formats directly, without the need for a driver. 
AUTOIMAGE – selected when mixed PDF and POSTSCRIPT images are sent to the printer.  The printer will 
determine which type of file has been sent.  This can increase printer response time. 
PDF – When in this mode the printer will directly print Portable Document Files (PDF). 
POSTSCRIPT – When in this mode the printer will directly print Postscript formatted files (.ps).  You can also 
use a generic Postscript driver to print when in this mode. 
IMAGE – selected if just image files are being sent to the printer.  When in this mode the printer will directly print 
the following file types:  .png, .jpg, .bmp, .pbm, .svg, .tiff 
Default Font:  
The DP-581 has the ability to use True Type Fonts.  All True Type Fonts loaded into printer memory are listed 
here.  When using emulations that do not specify the font for each line of text, select the font you would like to 
use as the default font.  All print jobs will use the default font unless a command is sent to the printer to use 
another font. 
Chars Per Inch and Default Text Line Spacing: 
NOTE: These settings only function in Printek Emulation 
This determines how large the characters are and how many characters will print in a one inch space.  The 
higher the number, the greater the number of lines per vertical inch of print. 
C. Device Config 
This page allows you to set certain hardware parameters on the printer. 

14  www.printek.com|P:888.211.3400|F:269.222.1229|E:info@printek.com 
Login Password 
This allows the printer webpage password to be changed. 
Units 
Select between inches or millimeters.  If you change units, do so before entering other settings. 
Max Paper Speed 
Possible values: 1.0 to 5.0 ips, Default = 5.0 
When using labels or heavy paper stock, you may need to decrease the paper speed to prevent paper jams. 
Mark Seeking 
Possible values: Off*, Front, Rear, Gap. (Note: Rear and Gap are available only on 581L models). 
Set the value when using regular or label media with black alignment marks or label media with gaps between 
the labels 
Sensor Brightness 
Possible values 0-100%.  This displays the reflectivity or light transmission of the media, depending on the 
setting for Mark Seeking.  This value is updated once per second. 
Note: Before adjusting black mark thresholds, set Mark Width to match the width of the black mark or 
label gap on your media. 
Front Paper Sensor Threshold 

15  www.printek.com|P:888.211.3400|F:269.222.1229|E:info@printek.com 
When using paper with a black on the front adjust this setting to insure the paper stops at the black mark. 
1.  With the lid closed and the black mark not over the front paper sensor, note the Sensor Brightness. 
2.  Open the paper lid and hold the paper against the front paper sensor so that the black mark is over the 
sensor.  Note the Sensor Brightness. 
3.  Set Threshold = black mark brightness + ((paper brightness – black mark brightness) / 2) and click Submit 
Changes.  Example: black mark brightness = 10%, paper brightness = 80%. 
Threshold = 10% + ((80% - 10%) / 2) = 45%. 
4.  Close lid and press paper feed.  The paper should stop with the bottom of the form at the tearbar. 
Rear Paper Sensor Threshold 
This is set the same as the front paper threshold, but using the rear (in lid) paper sensor and the Rear Sensor 
Brightness. 
Gap Paper Sensor Threshold 
When using labels without a Black Mark, adjust this setting to insure the label stops at the gap in between labels. 
1.  Remove 2 labels from the backing paper, and close the lid so the backing is over the paper sensor.  Note 
Sensor Brightness for Gap. 
2.  Open the lid and close it so a label is over the paper sensor.  Note Sensor Brightness for Gap. 
3.  Set Gap Threshold = label brightness + ((backing brightness – label brightness) / 2) and click Submit 
Changes. 
4.  Close lid and press paper feed.  The paper should stop with the bottom of the form at the tearbar. 
Backup Distance Before Printing 
Used with Mark Seek.  User defined.  This is the distance the printer will pull in the paper before starting to print. 
Max Mark Search Distance 
Used with Mark Seek.  User defined.  This is the distance the printer will advance paper to seek the mark before 
displaying a Paper Out condition. 
Stop Distance after Mark 
Use with Mark Seeking.  User defined.  This is the distance the printer will advance the paper after the mark is 
detected. 
Left Margin 
Setting this value will tell the printer how far from the left edge of the paper to start the print job. 
Contrast 
Possible values 0 – 10.  Default value is 5 
The lower the value the lighter the print.  The higher the value the darker the print. 
Paper Energy Values 
This is a locked value.  These settings are supplied by the paper manufacturer.  The default settings cover most 
grades of paper.  If you are using non-standard paper consult the paper manufacturer for recommended settings. 
Auto Off Timer 
Possible values 0 – 1440 minutes.  Default value is 60. 
This timer will turn the printer off if it has not been used for the time set.  Disable this feature by setting the time 
at 0.  The printer will give a 1 minute warning before shutting off. 
D. Fonts 

16  www.printek.com|P:888.211.3400|F:269.222.1229|E:info@printek.com 
Upload Font File 
Truetype Fonts (.ttf, .otf, .ttc and .bdf) can be uploaded here. 
Languages like ZPL and CPCL can use the fonts by referring to them by their Font Family Name. 
Printek emulation uses the Index value when selecting a font.  
Font Aliases 
Languages like ZPL and CPCL can use an uploaded Font Alias Table so legacy jobs can have their font names 
mapped to other uploaded fonts.  Contact Printek Technical Support at (800) 368-4636 for more information. 
E. Graphics 
This menu will allow you to load a graphics file into printer memory for use in creating your output.  For instance, 
logos can be stored for recall and use by your host program (see Integrator’s Guide for more details). 

17  www.printek.com|P:888.211.3400|F:269.222.1229|E:info@printek.com 
Upload File 
Select the graphics file to load into printer memory.  Acceptable graphics formats 
are .jpeg, .pbm, .pcx, .bmp, .png and .svg. 
Set Width 
Select the width you want to use to display your logo: full width, half width, or quarter width. 
Set index 
Depending on the Index value used, you can automatically print the graphics file as a header (prints at the 
beginning of the print job), footer (prints at the end of a print job) or use the graphics print command to print 
anywhere on your receipt or label.  See Integrator’s Guide for more information on graphics commands. 
When selecting header, the graphics file will automatically print the logo at the beginning of each print job. 
When selecting footer, the graphics file will automatically print the logo at the end of each print job. 
You must set each of these values before selecting Upload Logo or the default values will be associated with 
your image. 
Current Logo Mapping 
Once uploaded into the printer memory, your image and settings will be displayed here. 
F. Update Printer Firmware, Upload Files to Printer Memory 

18  www.printek.com|P:888.211.3400|F:269.222.1229|E:info@printek.com 
Printer Application Updates, OEM information and Manuals and more can be uploaded here.  Contact Printek 
Technical Support at (800) 368-4636 for more information. 
G. Reset Printer Configuration to Factory Defaults (Safe Mode) 
Printer settings can be restored to factory configurations.   
Note that WIFI network configurations will be lost when Network Config to Factory Defaults is checked. 

19  www.printek.com|P:888.211.3400|F:269.222.1229|E:info@printek.com 
Printing Modes 
There are two fundamental printing modes with mobile printers. 
 A. ASCII Based Print Jobs 
 The host sends the print job as a series of lines of characters, some of which represent the 
text to be printed, while other portions are command codes which tell the printer which font 
to use, where to locate the text, what barcodes to use, etc.  These text-based files are 
encoded in a print language specific to the target printer. 
The DP-581 understands ASCII based jobs in several different print languages.  Refer to 
the Appendix or the Integrator’s Guide for the list of print languages supported. 
 B. Graphic Based Print Jobs 
 The host assembles the printed image as a series of lines of dots, and transmits this image 
as a sequence of data bytes that represent the dot patterns assembled.  Often these jobs or 
files have some control characters on the front end and / or rear end of the dot pattern bytes 
to define their format, help control pagination, etc. 
Windows drivers in particular encode the image as a graphic based print job before it is 
passed along to the printer. 
In addition to accepting graphic jobs from its Windows driver, the DP-581 can accept and 
print directly many other graphic image file types.  This opens up the option to print job 
images from a variety of devices for which drivers or print utilities don’t exist, such as some 
tablets and smartphones. 
 Please see the Integrator’s Guide or your system integrator for more details. 

20  www.printek.com|P:888.211.3400|F:269.222.1229|E:info@printek.com 
Integrating the Printer into your Business Applications           
Step by Step – Creating a Link from Host to Printer 
A.  Windows Desktop Computers 
Print Drivers 
You may download the appropriate Windows driver from our website.  Install the printer driver by the 
standard method for your version of Windows.  
I. USB 
a)  Install the printer driver onto your hostbefore connecting the printer.  Follow prompts 
displayed during installation.   
b)  Plug the printer into a USB port on your host system using a mini-USB cable.    
c)  The printer will appear in the “Unspecified” devices section.  Right click on the icon. 
d)  In the popup window, select the Hardware tab.  Note the USB port number displayed. 
e)  Using the “Add Printer” wizard, install the printer using the driver file obtained from Printek 
and the USB port number noted above. 
f)  After the printer driver installs, the printer will appear as “Printek 4-inch printer” under the 
“Printers and Faxes” heading of your Windows “Devices and Printers” screen. 
II. Wi-Fi 
Note: The following instructions are fundamentally the same for an Infrastructure or Wi-Fi Direct (peer 
to peer) setup.  They also assume that you have already configured your Wi-Fi interface via the DP-
581 printer web page (see the section on Configuration). 
 a)  Perform a configuration printout to verify the printer Wi-Fi setup and to record the IP 
address assigned and the Port number. 
b)  Install the printer as a local printer using the USB instructions above. 
c)  In the “Devices and Printers” screen, right click the printer icon representing your mobile 
printer. 
d)  Under Printer Properties, select the Ports tab, then select “Add a Port” 
e)  In the new dialog box which appears, select “Standard TCP/IP ports”; this will open the 
Standard TCP/IP Printer Port wizard. 
f)  Follow the on-screen prompts in this wizard.  You’ll use the IP address recorded above to 
set up the port.  In the same screen you can also name the port something familiar and 
relevant, and this will appear as the name of the printer to the user. 
g)  After the port is detected, it will be displayed as a “generic network card” – accept this by 
clicking Next / Finish. 
h)  After you are finished adding the port, Windows will report it as a “Standard TCP/IP port”; 
click OK to accept this. 
i)  Close the Printer Port window. 
j)  Now in the Printer Properties dialog box your IP address (or the familiar name you 
assigned above) will appear in the list of ports available.  Select it to configure the port. 

21  www.printek.com|P:888.211.3400|F:269.222.1229|E:info@printek.com 
k)  Windows defaults standard TCP/IP ports to port number 9100.  The DP-581 Wi-Fi port 
number is internally set to 8023.  Change the port number to 8023 in the Windows screen 
and click OK. 
l)  Click “Apply” in the Printer Properties box. 
m)  Your DP-581 printer driver should now be properly coupled to the Wi-Fi parameters you 
have chosen. 
B. Windows Tablets and Smartphones 
This feature and/or specific directions for use were not available as of this printing. 
C. Android Tablets & Smart phones 
I. Wi- Fi 
This feature and/or specific directions for use were not available as of this printing. 
D. Apple™ Tablets & Smartphones 
I. Wi-Fi 
This feature and/or specific directions for use were not available as of this printing. 

22  www.printek.com|P:888.211.3400|F:269.222.1229|E:info@printek.com 
Media 
A. Standard Media 
Printek offers a variety of media types.  See Appendix C for detailed descriptions and ordering 
information.  You may also visit our website or contact your PrintekMobile sales representative for a 
complete and up to date description of our consumables and accessory products. 
B. Black Mark Media Position 
For automatic ticket printing, the Black Mark should be positioned as shown in the figure below.  
When using Mark Sensing mode (see Configuration, earlier in this document), FieldPro printers will 
automatically position the output for tear-off and printing following a Form Feed command or by 
pressing the Paper Feed button.   
For non-automatic paper positioning, refer to the Integrator’s Guide for sensing and positioning 
commands. 

23  www.printek.com|P:888.211.3400|F:269.222.1229|E:info@printek.com 
Maintenance and Troubleshooting 
A. Cleaning 
In normal environments, the printer should be cleaned after printing a few rolls of paper or if there are 
voids in the printout.  For optimum performance and life, you should clean the Print Head and Platen 
Roller whenever you load new paper.   
To clean the printer areas as described below, use a Thermal Head Cleaning Pen and MCR Cleaning 
Card available from Printek, or you may use cotton swabs moistened with isopropyl alcohol. 
  Turn the printer off.  Open the Paper Door and remove the paper. 
  Using a Thermal Head Cleaning Pen, clean the white ceramic surface on the Print Head. 
Caution: Do not use sharp objects to clean the print head.  This may damage the printer and 
require service.  Such damage is not covered under warranty. 
  Clean the Black Mark Sensor below the print head. 
  Clean the Tear Bar. 
  Clean the Platen Roller.  Turn the Platen Roller with your finger to clean the entire surface. 
  If a Magnetic Card Reader is installed, pass and MCR Cleaning Card through the MCR slot to 
clean the head. 
You may also experience a buildup of paper dust in the printer.  This may be removed using a can of 
compressed air or by vacuuming. 
To clean the exterior of the printer, turn the printer off and use a soft cloth moistened with a mild 
detergent. 
B. Battery Care 
I.  Getting the Maximum Battery Life 
New batteries are shipped in an “uncharged” state and must be charged for at least 4 hours prior to 
the first use.  Maximum battery capacity is not reached until after completing a minimum of three 
complete charge and discharge cycles. 
II.  Charging the Battery 
  Plug the power adapter into a power source appropriate for the adapter being used. 
  Plug the power adapter into the power connector on the side of the printer.  The printer’s 
battery charging circuitry will analyze the condition of the battery and begin charging it if 
necessary. 
  If the battery is not fully charged, charging will begin and the Battery Indicator will illuminate. 
  When the battery is fully charged, the Battery Indicator will turn off.  Charging may take up to 8 
hours (4 hours with external desktop charger accessory) depending on the condition of the 
battery. 
  The printer may be used while the battery is charging, but this will extend the time required to 
fully charge the battery. 

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25  www.printek.com|P:888.211.3400|F:269.222.1229|E:info@printek.com 
C. Troubleshooting 
When encountering problems, the cause may be the printer or may sometimes be due to other 
problems with your system.  Please review the following tables to solve common problems you may 
encounter with your printer.  You may also visit www.printek.com for additional “FAQ’s” that may 
assist you. 
If you are still unable to solve your problem, please contact the company from whom you purchased 
your printer since they are most familiar with your systems.  If they are unable to help you, please 
contact Printek Technical Support at (800) 368-4636. 
I.  General Error Conditions 
Whenever the printer detects an error condition the Alert (red) Indicator will either flash or stay on.  In 
some cases the audible alarm will also sound.  Please refer to the following table for a list of what 
causes these conditions and how they may be corrected. 
Error Indicator  Possible Cause  Solution 
Flashes   Paper Out or Paper Door not fully 
closed  Make sure the door is fully 
closed by opening the door 
and closing it again until the 
door “clicks” closed.  Check 
the platen roller for damage. 
Stays On, With Alarm  Print job too large for printer 
memory  Divide long documents into 
individual pages. 
Printer power must be cycled 
to clear error. 
II.  Fault Description and Resolution 
Problem Possible Cause Solution 
Printer will not turn on.  Battery not installed properly Remove and reinstall battery 
making sure the battery is 
seated with door closed. 
Discharged battery  Recharge battery. 
Printer turns itself off.  Battery discharged  Replace or recharge battery. 
Electrostatic discharge  May occur in extreme low 
humidity conditions.  Turn 
printer back on with power 
button. 
Battery Indicator does not 
light or does not stay lit when 
power adapter is connected. 
Battery already fully charged No action required. 
Power supply not receiving 
power  Check building/vehicle circuit 
breakers/fuses. 
Faulty power adapter  Check output of power 
adapter with voltmeter.  
Should be 19 VDC. 
Battery not charging.  Faulty power adapter or 
battery  Try new power adapter, or 
replace battery. 

26  www.printek.com|P:888.211.3400|F:269.222.1229|E:info@printek.com 
Problem Possible Cause Solution 
Poor print quality.  Low battery  Check and recharge battery. 
Print head dirty  Clean print head.  Refer to 
“Maintenance” section of this 
document. 
Poor quality or “old” paper  Verify paper from approved 
source.  Try new roll of 
paper. 
Paper not feeding.  Obstruction in paper path, or 
paper improperly installed  Check paper path and 
reinstall paper (see “Quick 
Start Instructions”). 
Poor quality paper  Verify paper from approved 
source. 
Paper Door not fully closed  Verify door is closed. 
Paper does not advance to 
black mark reliably.  Dirty Black Mark/Paper 
Sensor  Clean Sensor as described 
in “Maintenance” section of 
this document. 
Black Mark density/contrast  Adjust Mark Sensitivity as 
described in Device Settings 
Menu . 
Paper not feeding reliably or 
print is compressed vertically  Poor quality paper  Verify paper from approved 
source. 
Heavy or thick forms; 
specialty paper with slick 
finish 
Lower the Max Paper Speed 
as described in Device 
Config Menu . 
Paper Door not fully closed  Verify door is closed. 
Print Garbled.  Low Battery  Check and recharge battery. 
Improper Interface 
configuration  Verify printer and host 
settings match.   
Paper Door not fully closed  Verify door is closed. 
Printer will not print.  Low Battery  Check and recharge battery. 
Paper not loaded correctly  Check paper path and 
reinstall paper (see “Quick 
Start Instructions”). 
Improper Interface 
configuration  Verify printer and host 
settings match.  Print a self-
test to verify printer settings 
and to verify printer is 
functioning properly. 
D. Obtaining Service 
If service is required for your printer, please contact the company where you purchased your printer.  
If they are unable to assist you, contact Printek Customer Service at (800) 368-4636 to obtain a 
Return Authorization Number.  Printers without Return Authorization will not be accepted.

27  www.printek.com|P:888.211.3400|F:269.222.1229|E:info@printek.com 
APPENDIX 
A. Appendix A – FieldPro 581 Printer Specifications 
Printing Specifications 
Printing Method: Direct thermal. 
Printing Resolution: 203 dpi (8 dots per 
mm). 
Printing Speed: Up to 2 ips (11 pages 
per minute). 
Printing Width: Up to 8.27” (210mm) 
Fonts/Characters/Bar Codes 
Fonts: Virtually all TrueType fonts, from 
6 cpi to 22 cpi depending on emulation 
chosen, plus scaling. 
International Characters: All common 
sets available via UTF-8 encoding. 
Unicode support. 
Bar Codes: Virtually all 1D and 2D 
codes supported, depending on 
emulation chosen. 
Downloadable firmware, fonts, 
graphics, and logos. 
Connectivity 
Standard (All Units): USB 2.0 PNP. 
USB-C input connector. 
Wireless Options: 
Wi-Fi 802.11b/g/n compatible 
Software 
Drivers and Utilities: Drivers for XP, 
WIN 7, WIN 8, WIN 10.  Print utilities 
and SDK’s for Android. Native App and 
Web printing. 
Printer Setup via internal web page, 
access with browser from any host 
(tablets and smartphones included). 
Emulations: Emulates many popular 
printer brands and languages including: 
Zebra CPCL and ZPL, Extech, and 
ESC POS. Firmware can be upgraded 
as new emulations become available. 
Supports direct printing of Postscript, 
PDF, PBM, JPG, PNG, BMP, SVG and 
TIFF files. 
Print Media 
Paper Type: Direct Thermal Roll. 
Roll Size: Maximum roll diameter 2.125” 
(54 mm), roll widths from A4 to 8.5” (up 
to 216 mm). 
Roll Capacity 
Load Media: Approx. 100’ (30 m) 
Fanfold Size: Maximum width 216 mm, 
maximum length 305 mm, maximum 
total thickness 15 mm using fanfold 
tray. 
Core Size: 0.75” (19mm) 
Recommended. 
Power Management 
Battery: Rechargeable 3 cell Lithium 
Ion, (11.1 V, 6000 mAh, 66.6 Wh). 
Endurance: Above 300 m printing per 
charge (@12.5% density). 
Power Option: 100-240 VAC wall 
adapter. When plugged in, the printer 
can be used while recharging the 
battery or can be run without the battery 
(print & charge adapter). 
Physical Specifications 
D x W x H: 2.6” x 12.3” x 4.3” (66 x 312 
x 109 mm) 
Weight: 3.4lbs. (1.5 kg) 
Environmental Specifications
Operating Temp: -10° to 45°C 
Storage Temp: -20° to 60°C 
Humidity: 10% to 90% RH (non-
condensing). 
Operator Controls and 
Indicators 
3 LED indicators for general fault, 
power and battery status indication. 
Buttons for power and paper feed. 
Sensors for paper out, black mark 
detection, and door open. “Gas gauge” 
on battery door. 
Memory Capacity 
256 MB Flash, 512 MB DDR2. 
Standard memory supports large and 
graphic intensive print jobs. 
Durability and Reliability 
Durable PC-ABS case. 
MTBF: 10,000 hours in normal use. 
Regulatory Approvals 
FCC Class B, CE mark, RoHS, UL 
listed AC adapters. 
Warranty 
Depends on local requirements. Please 
contact your national DASCOM sales 
office. 
Accessories 
  AC Wall Adapter, 100 to 240 VAC
o  Print and charge version 
 Battery 
Options 
  Data cable: USB (USB-A to USB-
C) 
 Shoulder strap 
  A4 paper width spacer 
 Fanfold tray 
  Media in Case Quantities 
 Popular Mounting Systems 
o In-Vehicle Systems 
o  Cart Mounting Systems 
o Fixed Mounting Systems

28  www.printek.com|P:888.211.3400|F:269.222.1229|E:info@printek.com 
B. Appendix B – Supplies and Accessories 
 Part #  ACCESSORIES 
  93181  AC Charge & Print Adapter - North America, 100-240VAC 50/60Hz 
  93180  AC Charging Adapter - North America, 100-240VAC 50/60Hz 
  xxxxx  USB Cable, A to C, 6 Ft. 
  91868  Shoulder Carrying Strap 
  93176  DP-581 Battery Charger 1 bay 
  93177  DP-581 Battery Charger 2 bay 
  93194  Spacer for 3" paper DP-581 
 Part #  SUPPLIES 
  93104  DP-581 Battery (3 cell Li-ION; 33WH) 
  93124  DP-581 Battery, 5-Pack 
  93106  DP-581 Battery, 20-Pack 
  91393  Thermal Printhead Cleaning Pen (12/box) 
C. Appendix C – Media 
 Part #  Grade  Type  Qty 
xxxxx  STANDARD  Receipt Paper, 4.125" W (94 Linear feet per roll)  36 ROLLS 
93110  STANDARD  Receipt Paper, 3.125" W (94 Linear feet per roll)  36 ROLLS 
xxxxx  PREMIUM  Premium Receipt Paper, 4.125" W (70 Linear ft  per roll) 36 ROLLS 
93111  PREMIUM  Premium Receipt Paper, 3.125" W (70 Linear ft per roll)  36 ROLLS 
D. Appendix D – Mounting Options 
 Part #  PRECONFIGURED KITS 
  xxxxx  FieldPro 581 Round Base Mount with Bracket 
  xxxxx  FieldPro 581 Magnetic Base Mount with Bracket 
  xxxxx  FieldPro 581 Suction Base Mount with Bracket 
  xxxxx  FieldPro 581 U-Bolt Mount with Bracket 
  xxxxx  FieldPro 581 Round Base Mount with Long Arm Bracket 
  xxxxx  FieldPro 581 Mounting Pole with Bracket 
 Part #  PRINTER ATTACHMENTS 
  xxxxx  FieldPro 581 Direct Mount Plate * 
  xxxxx  FieldPro 581 Printer Plate With Ball 
    *For direct mounting.  Not compatible with connecting arms or bases. 
Please contact your Printek sales representative for price and availability. 

29  www.printek.com|P:888.211.3400|F:269.222.1229|E:info@printek.com 
Glossary of Terms 
802.11  Wireless networking communication standards created by IEEE. 
Ad-Hoc  A Wi-Fi network consisting of only stations (no access point).  Same as Peer-to-
Peer. 
authentication  The process a Wi-Fi station uses to identify itself to another station.   
baud rate  The rate at which characters are transmitted over a serial interface.  This is also 
often referred to as bits per second. 
client  Any node on a network that requests services from another node (server). 
character pitch  The horizontal spacing of characters.  Measured in cpi. 
cpi  Characters per inch. 
default  Value or configuration assumed when the printer is powered on or reset. 
DHCP  Dynamic Host Configuration Protocol.  A method used to centrally control the 
assignment of IP addresses on a network. 
dpi  Dots per inch.  Generally used to refer to graphics density or resolution. 
font  A group of characters of a given shape or style. 
infrastructure  A Wi-Fi network consisting of stations connecting to a wired network or other 
stations via an access point. 
interface  The connection between the printer and the host computer. 
IP  Internet Protocol.  A specification for packets, or datagrams, of data and an 
addressing method to allow the exchange of data with another system.  Must be 
combined with another protocol such as TCP to create a complete connection 
with the other system. 
LAN Local Area Network. 
LED  Light emitting diode. 
lpi Lines per inch. 
margin  An area along any edge of a form where data may not be printed. 
Peer-to-Peer  A network consisting of only stations (no access point or central server).  Same 
as Ad-Hoc. 
reset  Initialization of various operating features of the printer to the value or state 
assumed when the printer is powered on. 

30  www.printek.com|P:888.211.3400|F:269.222.1229|E:info@printek.com 
server  Any node on a network that provides services to another node (client). 
SSID  Service Set Identifier.  An identifier attached to packets on a Wi-Fi network that 
identify the particular network the packets are intended for. 
TCP  Transmission Control Protocol.  A specification that controls the connection 
between systems on a network. 
top of form  The vertical position where the first line is printed on the paper.  Also the position 
the paper is advanced to when a form feed (FF) character is received from the 
host or the Form Feed button is pressed on the printer's control panel. 
USB  Universal Serial Bus. 
WAN  Wide Area Network.  Refers to connections that allow one LAN to communicate 
with another LAN(s). 
WEP  Wired Equivalent Privacy.  A security protocol for wireless LANs designed to 
provide data security similar to a wired LAN. 
Wi-Fi  Refers to any of the IEEE 802.11 standards. 
WLAN  Wireless Local Area Network.  A LAN made up of wireless nodes. 

31  www.printek.com|P:888.211.3400|F:269.222.1229|E:info@printek.com 
Index 
802.11, 30 
Add Enterprise Network, 11 
Add Personal Network, 11 
Address Method, 10 
Ad-Hoc, 30 
Alert, 6 
Android, 3, 20 
Android Tablets & Smart 
phones, 20 
Apple, 3, 21 
authentication, 30 
Auto Off Timer, 15 
AUTOIMAGE, 12 
Available Networks, 11 
Backup Distance Before 
Printing, 14 
battery, 3, 5, 7, 23, 24, 25, 
26 
Battery Care, 23 
Battery Disposal, ii 
Battery Installation, 5 
baud rate, 30 
Canadian Department of 
Communications Radio 
Interference Statement, i 
character pitch, 30 
Charge Battery, 5 
Charging the Battery, 23 
Cleaning, 23, 29 
client, 30 
Com Port, 19 
Configuration, 7, 22, 30 
Connectivity Parameters, 8 
Contrast, 14 
Control Panel, 6 
CPCL, ii, 12 
cpi, 30 
Current Emulation, 12 
Current Logo Mapping, 16 
Current Printer Config, 10 
default, 30 
Default Font, 12 
Default Text Line Spacing, 
13 
Device Config, 13 
DHCP, 30 
discover name, 19, 21 
Discoverablity, 9 
dpi, 30 
driver, 19 
Drivers, 19 
ESCPOS, 12 
Fault Description and 
Resolution, 25 
FCC Part 15 Class B, i 
features, 31 
Font Aliases, 15 
Fonts, 15 
form, 31 
Front Paper Sensor 
Threshold, 14 
Gap Paper Sensor 
Threshold, 14 
GateWay, 10 
General Error Conditions, 25 
Graphics, 16 
IMAGE, 12 
Image Parameters, 12 
infrastructure, 30 
interface, 30 
IP Address, 10 
IP54, 3 
IPL, 12 
LAN, 30 
LED, 30 
Left Margin, 14 
lpi, 30 
Maintenance, 2, 23, 26 
margin, 30 
Mark Seeking, 14 
Max Mark Search Distance, 
14 
Max Paper Speed, 13, 26 
Maximum Battery Life, 23 
Media, 2, 22, 27, 28, 29 
Mounting Options, 29 
Obtaining Service, 26 
Paired Mode, 8 
pairing code, 19 
Paper Energy Values, 14 
Paper Feed Button, 6 
Paper Load, 4 
passkey, 19, 21 
PDF, 12 
Peer-to-Peer, 30 
PIN, 8, 9 
POSTSCRIPT, 12 
power, i, ii 
Power Button, 6 
Power On, 5 
Quick Start Instructions, 4 
Rear Paper Sensor 
Threshold, 14 
reset, 31 
Role Policy, 9 
Safety Information, 24 
Self-Test, 6, 24 
server, 31 
Set Date, 11 
Set index, 16 
Set Width, 16 
Specifications, 2, 3, 27, 28 
SSID, 31 
Stop Distance after Mark, 14 
SubNetMask, 10 
Supplies and Accessories, 2, 
29 
TCP, 31 
Testing the Power Adapter 
and Battery, 24 
Troubleshooting, 2, 23, 24, 
25 
Units, 13 
Upload Digital Certificate, 12 
Upload File, 16 
Upload Font File, 15 
USB, 19, 31 
USB port, 2, 19 
WAN, 31 
web page, 7 
WEP, 31 
Wi-Fi, ii, 2, 20, 30, 31 
WI-FI Config, 8, 9 
Wifi Port, 10 
Windows, ii, 3, 18, 19, 20 
WLAN, 31 
ZPL, 12 

32  www.printek.com|P:888.211.3400|F:269.222.1229|E:info@printek.com 
 and Troubleshooting