Quick Start Guide
QLn Series Mobile Printers
Introduction
Battery Install &
Charging
Introduction
Thank you for choosing the Zebra QLn™ Series Mobile Printers. These rugged printers will
become a productive and efficient addition to
your workplace thanks to their innovative design. Because
it is made by Zebra Technologies you can be assured of
world-class support for all of your bar code printers, software, and supplies.
This document provides an easy reference for operating
and maintaining the QLn Series Mobile Printer.
Complete and current documentation for this printer
is provided by the QLn Series User Guide available on the
Internet at:
www.zebra.com/manuals.
QLn Series Overview (QLn320 Shown)
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Media Loading
Connect Printer/
Printer Controls
Cleaning and
Troubleshooting
Accessories and
Contact Info
QLn420 QLn320 QLn220
Media width
2.0 in. to 4.4 in.
(50,8 to 111,76 mm)
Printer Dimensions
H: 7.35 in. (186,7 mm)*
W: 6.50 in.(165,1 mm)
D: 3.25 in (82,5 mm)
* with belt clip
Media width:
1.0 in. to 3.125 in.
(25,4 mm to 79,4 mm)
Printer Dimensions
H: 6.85 in. (173,659 mm)*
W: 4.65 in.(117,856 mm)
D: 3.15 in (76,9 mm)
* with belt clip
Media width:
.63 in. to 2.18 in.
(16 mm to 55,37 mm)
Printer Dimension
H: 6.73 in. (170,9 mm)*
W: 3.60 in. (91,4 mm)
D: 2.75 in. (69,9 mm)
* with belt clip
Always refer to the Important Safety Information data
sheet shipped with each printer and the Technical Bulletin
shipped with each battery pack. These documents detail
procedures to ensure maximum reliability and safety while
using this printer.
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1. Platen Roller
2. Bar Sensor
3. Media Support Disks
4. Tear Bar
5. Label Present Sensor
6. Peeler Lever
7. Peeler Bail
8. Media Cover Button
9. Keypad
10. Strap Post
11. LCD Screen
12. Printhead
13. Media Cover
14. Gap Sensor
15. Power Button
16. Feed Button
17. LED Charge Indicator
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10
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P1031679-002 Rev. B
© ZIH Corp 2012
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Quick Start Guide
QLn Series Mobile Printers
Introduction
Battery Install &
Charging
QLn Series Overview continued
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QLn Series Overview (QLn420 Shown)
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3
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Media Loading
Connect Printer/
Printer Controls
Cleaning and
Troubleshooting
Accessories and
Contact Info
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18. Belt Clip
19. Battery
20. USB/RS232 Comm Ports
21. MAC Address Label
22. Docking Contacts
23. DC Input
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7
11
9
1 Platen Roller
2. Bar Sensor
3. Media Support Disks
4. Tear Bar
5. Label Presence Sensor
6. Peeler Lever
7. Peeler Bail
8. Media Cover Button
9. Key Pad
10. Strap Post
11. Status Screen
12. Printhead
13. Media Cover
14. Gap Sensor
15. Power Button
16. Feed Button
17. LED Charge Indicator
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1615
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Quick Start Guide
QLn Series Mobile Printers
Introduction
18
19
Removing the Battery (QLn220 Shown)
Rotate the Belt Clip out of the
way of the Battery
Squeeze clip on battery pack
and remove.
Battery Install &
Charging
Media Loading
20
18. Belt Clip
19. Battery
20. DC Input
21. MAC Address Label
22. Docking Contacts/Cover
23. USB/RS232 Comm Ports
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22
Installing the Battery
Connect Printer/
Printer Controls
Cleaning and Trouble-
shooting
Accessories and
Contact Info
QLn Series Smart
Battery
23
3
Quick Start Guide
QLn Series Mobile Printers
Introduction
Battery Install &
Charging
Media Loading
Charging the Battery
There are five (5) ways to charge the QLn Series battery,
two of which being with the battery outside the printer (Quad
Charger and Smart Charger-2), and three inside the printer
(AC Power Adapter, Single Bay Ethernet Cradle, and Four Bay
Ethernet Cradle). All five options are detailed in the following
sections.
UCLI72-4 Quad Charger (All QLn Series Printers)
The UCLI72-4 Quad Charger charges up to four QLn Series
battery packs simultaneously. Batteries must be removed
from the printer to be charged in the Quad Charger.
The indicators under the battery will allow you to monitor the
charging process per the table below:
1. Plug Power Supply
into A.C. Outlet.
2. Slide Battery Pack
into Charger bay
Power Supply
3. Rock Battery Pack
into place
Smart Charger-2 (SC2) Single Battery Charger (All QLn Series Printers)
Battery
Pack
Charge Status
LED Indicator
Health Status
LED Indicator
• Plug the SC2 charger into the AC outlet.
• Insert the smart battery pack in the SC2 charger.
• The LED on the front of the charger will indicate the battery pack’s
charge status. Green indicates fully charged, Yellow indicates charging, and Amber indicates a fault.
When the SC2 is plugged in but no battery is present, the Charge Status LED
indicator will be green.
Connect Printer/
Printer Controls
Cleaning and Trouble-
shooting
Accessories and
Contact Info
Amber
Indicator
Green
Indicator
Charger Bay
Power Indicator
Amber Green
On O Charging
On Flashing
O On
Flashing O Fault
Battery Status
80% charged (O.K.
to use)
Completely
Charged
• A second LED will indicate the health of the battery pack:
Green=GOOD, Yellow=CAPACITY DIMINISHED, Yellow
Flashing=PAST USEFUL LIFE, and Amber=UNUSABLE-REPLACE
BATTERY. If the LED is off, there is either no battery or power present.
Consult the QLn Series User Guide available at www.zebra.com/manuals for
complete information on using the SC2 Single Charger.
The charge state of the QLn Series battery is reected by the LED Charge
Indicator located on the front of printer (as illustrated in the Printer Controls
section on Page 11).
Caution • Do not incinerate, disassemble, short circuit, or expose to
temperatures higher than 60oC (140oF).
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Quick Start Guide
QLn Series Mobile Printers
AC Power Adapter (included in kit p/n P1031365-024)
Ethernet Cradle (Single Bay & Four Bay for QLn220 and 320 Only)
(All QLn Series Printers)
Single Bay (QLn-EC)
Introduction
Battery Install &
Charging
Media Loading
Qln320 AC
Adapter
AC Power Cord
(varies with
location)
DC Input Jack
• Open the protective cover on the QLn Series printer
to expose the DC input charger jack.
• Connect the appropriate AC power cord for your geography
to the adapter and then plug the power cord into an AC receptacle.
• Plug the barrel plug from the AC adapter into the
charger jack on the printer.
LED Function LED Status Indication
Power Solid Green Power On
Ethernet Blinking Green Ethernet Activity
Four Bay (QLn-EC4)
Release Button
Power Status
Indicator
Ethernet Status
Indicator
Connect Printer/
Printer Controls
Cleaning and Trouble-
shooting
Accessories and
Contact Info
• The printer will power up and begin charging. The printer
can be left on or turned off at this point. Charging will continue in either state, the status of which will be monitored
by the LED charge indicator on the front of the printer.
Batteries are shipped uncharged. Remove protective shrink-
wrap and labels from new battery packs and allow them to
charge completely prior to initial use.
While it’s possible to charge the battery when using the
printer, charge times will increase under this condition.
The QLn220 and 320 extended capacity battery is not
compatible with the QLn-EC and EC4 Ethernet cradles.
Docking Bay
Ethernet Status
Indicator
Release
Button
Power Status Indicator
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Quick Start Guide
QLn Series Mobile Printers
Single Bay (QLn420-EC for QLn420 Only)
Introduction
Battery Install &
Charging
Media Loading
Connect Printer/
Printer Controls
Ethernet Status
Indicator
Release Button
Power Status
Indicator
Docking Contact Access
In order to dock a QLn Series printer on one of the above
cradle accessories, you must first access the docking contacts located on the bottom of the printer. On the QLn220
and 320 printers, you must remove the “Docking Cradle Access” sticker (as shown) to expose the docking contacts.
Remove Docking
Cradle Access sticker
before docking the
printer.
Cleaning and Trouble-
shooting
Accessories and
Contact Info
Docking Contacts
Similarly, you must remove the plastic docking contacts
cover from the bottom of the QLn420 (as shown) to access
the docking contacts.
Docking Contacts
Cover
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Quick Start Guide
QLn Series Mobile Printers
Loading the Media (QLn320/220)
Introduction
Battery Install &
Charging
A.
Media Cover
ips open
B.
Pull Media Supports
apart where shown.
Media Roll
Note direction media
pulls o the roll.
C.
Pull Media out of
Printer
4
Close Media
Cover
Media Loading
Connect Printer/
Printer Controls
Cleaning and Trouble-
shooting
Press Latch Button
Loading the Media (QLn420)
Pull Media Supports
apart where shown.
Close Media
Cover
4
Pull Media out of
Printer
Accessories and
Contact Info
Media Roll
Note direction media
pulls o the roll.
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Quick Start Guide
QLn Series Mobile Printers
Introduction
Battery Install &
Charging
Loading the Media in QLn320/220 (Peeler Activated)
B.A. C.
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4
Media Loading
Connect Printer/
Printer Controls
Cleaning and Trouble-
shooting
D.
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6
E.
To disengage the peeler
bail, press down until it
locks in the home position.
8
Accessories and
Contact Info
8
Quick Start Guide
QLn Series Mobile Printers
Loading the Media in QLn420 (Peeler Activated)
Introduction
Battery Install &
Charging
Media Loading
A. B.
3
C.
Close the media cover
after loading media..
To engage the peeler
bail, slide the peeler lever
up until it locks into position.
Connect Printer/
Printer Controls
Cleaning and Trouble-
shooting
Accessories and
Contact Info
D.
To disengage the peeler
bail, press in on the peeler release button while
pressing down on the
peeler lever until it locks
in the home position.
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Quick Start Guide
QLn Series Mobile Printers
Introduction
Connecting the Printer
Connect The Printer With a Cable
You can connect your printer to a terminal or a PC using either RS232C or USB protocols. USB drivers are included in the Zebra Design-
er Driver which is available on the QLn Series product CD or can be downloaded from the Zebra Web site at
www.zebra.com/software .
Battery Install &
Charging
Media Loading
Connect Printer/
Printer Controls
Cable Communications with a Terminal.
RS232C or USB Communications
Communications
Port
Cable to Terminal
Refer to Appendix A in the QLn Series
User Guide for part numbers.
Terminal
Cable Communications with a PC
RS232
Connector
RS-232C or USB Communications
Cable to Computer
Refer to Appendix A in the User Guide
for part numbers.
USB
Connector
Cleaning and
Troubleshooting
Accessories and
Contact Info
To provide strain relief for the communication cables, twist the locking cap
in a clockwise direction to secure. Only
one cable can be used at a time in this
orientation.
Locking Cap
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Quick Start Guide
QLn Series Mobile Printers
Introduction
Battery Install &
Charging
Printer Controls (QLn320/220)
Power Button
Press to turn unit on. There will be a 10
second boot up time.
Press again to turn unit o
LED Charge Indicator
Solid Yellow: Charging
Solid Green: Fully charged
O: No DC Power Applied
O: With DC Power Applied: Charge Fault
Feed Button
Press to advance a blank label or a software determined length of journal media.
Media Loading
Connect Printer/
Printer Controls
Cleaning and
Troubleshooting
Printer Status Bar
Indicates the status of several
printer functions.**
Main Menu Screen
Displays graphical options in-
cluding Communication, Display,
Media, Battery, and Help.
Status Screen
Default screen the
printer will display
when the user is not
navigating the main
menu screen.
Navigation Bar
Displays user-selectable
options.
Soft Keys
Press to select a
function on the
Navigation Bar.
Accessories and
Contact Info
Four Way Navigation
Buttons
Scroll through menu
choices on Status Screen
Press “OK” to enter.
** Not every icon will be displayed on the Status Bar at one
time, only those applicable to the
printer’s conguration.
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Quick Start Guide
SETTINGS
QLn Series Mobile Printers
Introduction
Battery Install &
Charging
Printer Controls (QLn420)
LED Charge Indicator
Solid Yellow: Charging
Solid Green: Fully charged
O: No DC Power Applied
O: With DC Power Applied: Charge Fault
Media Loading
Connect Printer/
Printer Controls
Power Button
Press to turn unit on. There will be a 10
second boot up time.
Press again to turn unit o
Printer Status Bar
Indicates the status of several
printer functions.**
PRINTER READY
V68.18.1z
Status Screen
Default screen the
printer will display
when the user is not
navigating the main
menu screen.
Navigation Bar
Displays user-selectable
options.
Feed Button
Press to advance a blank label or a software determined length of journal media.
Main Menu Screen
Displays graphical options in-
cluding Settings, Tools, Network,
Battery, Languages, Sensors,
Ports and Bluetooth.
Cleaning and
Troubleshooting
Accessories and
Contact Info
OK
OK
** Not every icon will be displayed on the Status Bar at one
time, only those applicable to the
printer’s conguration.
Four Way Navigation
Buttons
Scroll through menu
choices on Status Screen
Press “OK” to enter.
Soft Keys
Press to select a
function on the
Navigation Bar.
OK
OK
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Quick Start Guide
QLn Series Mobile Printers
Introduction
Battery Install &
Charging
Cleaning the Printers
QLn320
Caution • To avoid possible personal injury or damage to the printer never insert sharp or
Peeler Bar
pointed objects into the printer mechanism.
Scraper
Platen Surface
Avoid using alcohol on
linerless platen surface
Bar Sensor
Bearing Points
Linerless Platens only
Media Loading
Connect Printer/
Printer Controls
Cleaning and
Troubleshooting
Printhead
Elements
Label Present
Sensor
Gap Sensor
Tear Bar
Area Cleaning Method Interval
Printhead
Platen Surface
Linerless Platen
Surface
Peeler bar
Scraper (Linerless
units only)
Use a Zebra cleaning pen to clean the print
elements from end to end (the print elements
are located in the thin gray line on the
printhead).
Rotate the platen roller and clean it thoroughly
with the cleaning pen or 70% Isopropyl alcohol..
Units with linerless platens: Rotate platen & clean
bearing points only. Avoid use of alcohol on the
surface of linerless platens!
Clean thoroughly with the cleaning pen. As needed
Clean thoroughly with the cleaning pen.
After every ve rolls of media (or more often,
if needed).
When using linerless type media, cleaning is
required after every roll of media.
After every ve rolls of media (or more often,
if needed) Linerless media requires more
frequent cleaning, i.e. after every roll.
After every ve rolls of media (or more
often, if needed)
Media Support Disks
Linerless units only
Linerless View
Accessories and
Contact Info
Tear bar Clean thoroughly with the cleaning pen.
Exterior
Interior
Interior of units
with Linerless
Platens
Wipe with water-dampened cloth or 70%
Isopropyl alcohol wipe.
Brush/air blow. Ensure the Bar Sensor, Gap
Sensor and Label Present Sensor windows are
free of dust.
Clean inside surfaces of Media Supports & Media
Support Disks with the supplied cleaning pen or 70%
isopropyl alcohol on a cotton swab.
As needed
After every ve rolls of media (or more
often, if needed)
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Quick Start Guide
QLn Series Mobile Printers
Troubleshooting
LCD Control Panel
The top of the display shows icons indicating the status of various printer functions. Check
the indicator status and refer to the referenced Troubleshooting table below.
Introduction
Battery Install &
Charging
Media Loading
Icon Status Indication
On
Not Present
Blinking
Antenna Blinking
Antenna Blinking 1 Parenthesis Solid
Antenna and 2 Parentheses Solid
Antenna and 2 Parentheses Blinking
Not Present
4 Bars >80% Charged
3 Bars 60%-80% Charged
2 Bars 40%-60% Charged
1 Bar 20%-40% Charged
0 Bars Low Battery
4 Bars Blinking w/ Lightning Bolt Charging at >80% Capacity
3 Bars Blinking w/ Lightning Bolt Charging at 60-80% Capacity
Associated/Attempting WLAN Authentication
Bluetooth Link established
Bluetooth Link inactive
Connecting and Transmitting Labels
Looking for AP
Associated and Authenticated
Receiving Data
No Radio Present
Connect Printer/
Printer Controls
Cleaning and
Troubleshooting
2 Bars Blinking w/ Lightning Bolt Charging at 40-60% Capacity
1 Bar Blinking w/ Lightning Bolt Charging at 20-40% Capacity
0 Bars w/ Lightning Bolt Charging at <20% Capacity
Blinking Media Cover Open
Blinking Retrieving printer data
Solid Connected & Not Receiving Label Data
Not Present No Ethernet Connection
Blinking Data processing in progress
Steady No data being processed
Blinking Out of Media
Steady Media present
Blinking
Not Present No error exists
4 Bars 802.11 signal strength > 75%
3 Bars 802.11 signal strength </= 75%
2 Bars 802.11 signal strength </= 50% but >25%
Error exists (excluding Media Out and Head Latch
Open)
Accessories and
Contact Info
1 Bar 802.11 signal strength </= 25%
0 Bars No signal strength
14
Quick Start Guide
QLn Series Mobile Printers
Introduction
Battery Install &
Charging
Accessories
Adjustable Shoulder Strap
Pull
Strap
here to
shorten
Hand Strap
Pull Strap
here to
lengthen
Hold Buckle
Insert loop
into cut-outs
on printer.
Secure loop
over button to
fasten.
Media Loading
Connect Printer/
Printer Controls
Cleaning and
Troubleshooting
Belt Clip (standard on most printers)
To use: Hook the clip over your belt,
and ensure that the clip is securely attached to the belt. The plastic belt clip
will pivot in all directions to allow you to
move freely while wearing the printer.
Note: QLn220 & 320 printers with the
extended capacity battery do not come
equipped with a belt clip.
Plastic Belt
Clip
Belt
Clip printer
to belt
Metal Belt
Clip
Accessories and
Contact Info
Printer can pivot
freely
QLn420
15
Quick Start Guide
QLn Series Mobile Printers
Accessories (cont.)
Soft Case
Introduction
Battery Install &
Charging
Media Loading
All QLn Series printers have soft case
options that also allow you to carry the
printer from your belt. (The QLn420
soft case is shown in the accompanying
graphic.)
Note: The QLn220 & 320 soft case is not
compatible with printers equipped with
the extended capacity battery option.
1
2
3
Connect Printer/
Printer Controls
Cleaning and
Troubleshooting
Accessories and
Contact Info
Pivot top half of Exo-skeleton to open position.
Hard Case
The QLn420 printer has a
hard case option that also
allows you to carry the
printer from your belt with a
metal belt clip. The belt clip
is mounted to the hard case
and printer with two screws.
If no belt clip is used, two
shorter screws are used to
hold the printer to the hard
case.
Insert the QLn420 printer into
the lower half of the Exo-skeleton. Close the top half and
snap shut to secure.
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Quick Start Guide
QLn Series Mobile Printers
Introduction
Battery Install &
Charging
Product Support
For product support, and the latest versions of all customer documentation, contact
Zebra Technologies at: www.zebra.com
Refer to Appendix D in the QLn320 User Guide for more detailed contact information
In the AmerIcAs contAct:
Zebra Technologies Corporation
475 Half Day Road, Suite 500
Lincolnshire, IL 60069
Phone: +1.847.634.6700 or +1.866.230.9494
Fax: +1.847.913.8766
Media Loading
Connect Printer/
Printer Controls
In europe, AfrIcA, the mIddle eAst, And IndIA contAct:
Zebra Technologies Europe Limited
Dukes Meadow, Millboard Road
Bourne End
Buckinghamshire, SL8 5XF, UK
Phone: +44.1628.556000
Fax: +44.1628.556001
In the AsIA pAcIfIc regIon contAct:
Zebra Technologies Asia Pacic Pte. Ltd.
120 Robinson Road
#06-01 Parakou Building
Singapore 068913
Phone: +65-6858 0722
Fax: +65-6885 0838
www.zebra.com/contact for complete contact information.
Go to
Cleaning and
Troubleshooting
Accessories and
Contact Info
Zebra Technologies Corporation
475 Half Day Road, Suite 500
Lincolnshire, IL 60069
Phone: +1.847.634.6700 or +1.800.423.0442
Fax: +1.847.913.8766
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