Intermec EasyCoder 7422 Manuel D'utilisation page 72

7422 Thermal Printer User's Guide
WARNING
Step
Step
56
Warning
There is danger of explosion if the battery
is incorrectly replaced. Replace batteries
with the battery types listed here only.
Discard used batteries according to the
instructions supplied by the battery
manufacturer.
Remove and dispose of the battery
according to the manufacturer's
instructions.
Install a fresh battery (P/N 586370S-001),
replace the label cradle and load labels.
Switch the power on. If a "LOST
INTERNAL INFO" label prints, switch the
power off and back on.