Dascom Tally PrintekMobile DP-541 Series User manual

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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.
This equipment complies with Canadian and FCC radiation exposure limits set forth for an uncontrolled environment. This
equipment is in direct contact with the body of the user under normal operating conditions. This transmitter must not be co-
located or operating in conjunction with any other antenna or transmitter.
Normal use, please keep the torso down 50 mm distance
Part 15.21 Caution: Changes or modifications not expressly approved by Dascom, could void the user’s authority to operate
the equipment.
Canadian Department of Communications Radio Interference Statement

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product unsafe to operate. The print head and motors get hot during use. Wait until they cool before touching them. Make certain the printer
is disconnected from AC power before removing any covers or performing any required cleaning or maintenance. Connecting this printer
to an ungrounded receptacle can result in electrical shock. Never place the printer near inflammable or explosive substances. Do not
operate near liquid or spill liquid into the printer at any time.
Enthält keine Teile, die vom Bediener instandgesetzt werden können. Bitte wenden Sie sich bei Instandsetzung oder Reparatur an
qualifiziertes Kundendienstpersonal. Die Verwendung von echten Dascom Ersatzteilen ist notwendig, um ordnungsgemäßen, sicheren
Betrieb zu gewährleisten. Änderungen oder Modifikationen dieses Geräts machen die Garantie ungültig und können den sicheren Betrieb
des Produkts gefährden. Während des Druckens werden Druckerkopf und Motoren heiß. Warten Sie, bis sich die Teile abgekühlt haben,
bevor Sie sie berühren. Vergewissern Sie sich, dass der Drucker nicht mehr an die Stromquelle angeschlossen ist, bevor Sie Abdeckungen
abnehmen oder das Gerät reinigen bzw. warten. Schließen Sie diesen Drucker nicht an eine ungeerdete Steckdose an; dies kann zum
Elektroschock führen. Setzen Sie den Drucker niemals in die Nähe von feuer- oder explosionsgefährlichen Stoffen. Betreiben Sie den
Drucker nicht in der Nähe von Flüssigkeiten und lassen Sie keine Flüssigkeiten in den Drucker gelangen.
Specifications are subject to change without notice.

1www.dascom.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
II.Wi-Fi .................................................................................................................................................. 20
B.Windows Tablets and Smartphones....................................................................................................... 20
C.Android Tablets & Smart phones............................................................................................................ 20
I.Wi- Fi ................................................................................................................................................. 21
D.Apple™ Tablets & Smartphones ............................................................................................................ 21
I.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 – DP-541Printer Specifications ........................................................................................... 27
B.Appendix B – Supplies and Accessories................................................................................................ 28
C.Appendix C – Media ............................................................................................................................... 29
D.Appendix D – Mounting Options............................................................................................................. 29

Glossary of Terms............................................................................................................................................ 30
Index .................................................................................................................................................................. 32


2www.dascom.com
Introduction
Thank you for purchasing the Dascom DP-541 Series mobile thermal printer also referred to in this
manual as the “DP-541”. The DP-541 series prints on special thermal media supplied in roll form up to
4.1 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 – DP-541Printer 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.
Dascom recommends using genuine Dascom supplied media and accessories. For detailed lists and
contact information, please see Appendix B – Supplies and Accessories&Appendix C – Media.

3www.dascom.com
Printer Features
Your DP-541features:
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 – DP-541Printer Specifications.
USB Data Port
Control Panel
Door Release Button Power Port
Paper Compartment Door

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Quick Start Instructions
A. Paper Load
Press Paper Compartment Door
release button to open. Pull small
leader of paper out and close
door; “clicks” when properly
closed.
NOTE: When using 3” paper,
install spacer P/N: 93194
Tear paper
towards back of
printer

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B. Battery Installation
C. 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.
D. 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 10 seconds). The red LED will go off, leaving
the green LED on to indicate the printer is ready to print.
Press button to see
Battery charge level.
4 LED 100% charge
3 LED 75%
2 LED 50%
1 LED 25%
Loosen hand strap
(not pictured) to
access battery
door.
Use Bay Chargers or
AC/DC Power
Adapter to charge.
Please contact your Printek
Sales representative for price
and availability.
Rotate knob 1800
to unlock battery
door.
Drop in battery.
Close battery door
and rotate knob
1800 to lock.

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E. 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, Flashes Off Every 2
Seconds Off Off Wireless Personal Area
Network active
Solid Charging Battery
Flashing Battery Low
F. Performing a Printer Self-Test
With power on, press the paper feed button twice quickly.

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Configuration
Configuration of the DP-541 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-541 communication
capabilities.
1. Turn the printer ON.
2. Connect a USB cable between the printer and a PC.
3. To access the DP-541 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-541 Configuration.
FP541 Configuration Interface

8www.dascom.com
5. The main configuration screen of the DP-541:
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 WI-FI Config. In the detailed descriptions, an asterisk (*) indicates the factory
default value.

9www.dascom.com
WI-FI Config:
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.

10www.dascom.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

11www.dascom.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: ZPL, CPCL, ESCPOS, IPL, AUTOIMAGE, PDF, POSTSCRIPT, IMAGE

12www.dascom.com
The DP-541 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-541 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-541 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:
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.

13www.dascom.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 541L 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

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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

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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.
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 Dascom retailer 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).

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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