Zebra Technologies Corporation MD-QL3021 Benutzerhandbuch

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QL 420 User’s Guide
9
If you are using the Quad Charger:
The UCLI72-4 Quad Charger is designed to charge up to four
QL 420 battery packs simultaneously.  Batteries must be re-
moved from the printer to be charged in the Quad Charger.
1. Ensure that the charger has been installed properly per the
Quad Charger instruction manual.  Ensure that the power indica-
tor on the front panel is on.
2. Remove any protective shrink-wrap and labels from all bat-
tery packs prior to use. Plug a battery pack into any one of the
four charging bays as shown in Figure 4, noting the orientation of
the battery pack. Slide the battery pack into the charging bay un-
til it stops.  Then rock the battery pack back until it snaps into
place. The amber indicator directly under the battery being
charged will turn on if the battery is properly inserted.
The indicators under the battery will allow you to monitor the
charging process per the table below:
Amber
Green
Battery Status
On
Off
Charging
On
Flashing
80% charged (O.K. to use)
Off
On
Completely Charged
Flashing
Off
Fault
 Note: A fault condition is caused by a problem with the
battery.  The charger may indicate a fault because the battery
is too hot or cold to charge reliably. Try to charge the battery
again when it returns to the room’s ambient temperature.  If the
Amber indicator starts flashing on the second attempt, the
battery should be discarded.
Quad Charger Cycle Times for QL 420 Batteries:
Battery 80% Charged
2.5 Hrs.
Battery Fully Charged
5 hrs.
These times are for completely discharged batteries.
Battery packs which are only partially discharged will
take less time to reach their charged state.  Batteries
which have reached 80% of their charge capacity may
be used, however, it is recommended that you allow the
batteries to reach a full charge to maintain maximum bat-
tery life.