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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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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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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Quick Start Guide
QLn Series Mobile Printers
Introduction
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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
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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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Installing the Battery
Connect Printer/
Printer Controls
Cleaning and Trouble-
shooting
Accessories and
Contact Info
QLn Series Smart
Battery
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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.
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Printer Controls
Cleaning and Trouble-
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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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