User's Manual

13
QLn Series User Guide
The Smart Charger-2 (SC2) is a charging system for use with the
2-cell lithium-ion smart batteries used in the QLn320 printer. The goal
of the SC2 is to fully charge a QLn320 battery in an average time of
three (3) hours.
Charging Status Indicators
The SC2 uses a LED indicator to indicate the charge state in either
Green, Yellow, or Amber as detailed below.
DC Power Input Indicator Battery Status
n/a Off Battery not present
Present Green Fully charged
Present Yellow Charging
Present Amber Fault
Present Off Present and Battery
Health = POOR
There will also be a battery charging graphic to indicate that
this LED is the charging status indicator.
Battery Health Indicator
The SC2 features a tri-color (Yellow/Green/Amber) LED to indicate
the health of the battery pack. An evaluation of the battery health be-
gins upon insertion of the battery in the charger and results in the ap-
propriate LED being illuminated as shown below. The LED will remain
illuminated as long as input power is applied.
Battery Indicator
Health Status
None or non-smart Off
Smart battery present Green
GOOD
Smart battery present Yellow
CAPACITY DIMINISHED
Smart battery present Flashing yellow
PAST USEFUL LIFE
Smart battery present Amber
UNUSABLE-REPLACE
(discard per Instructions in
Appendix E
Smart Charger-2 (SC2) Single Battery Charger