8 troubleshooting guide – Datamax-O'Neil S2000i User Guide User Manual
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8 Troubleshooting
Guide
PROBLEM
POSSIBLE CAUSE
SOLUTION
Printer will not turn on
Discharged Battery
Recharge battery overnight.
Charge LED not lighting when 
AC adapter is plugged in. 
No AC power or AC adapter 
defective 
Check AC outlet or adapter (note: battery pack 
may be fully charged) 
Battery not charging.
Battery incorrectly installed or no 
AC. 
Battery dead 
Check battery installation and AC adapter 
Change to a new battery 
Paper not feeding.
Obstruction in paper path or paper 
improperly installed 
Check the paper path. Verify installation 
Use paper of the correct specification 
Fault LED on Steady
Print head lever is up 
Print mechanism jam 
Low Battery 
Check print head lever 
Check paper supply; press <FEED> to clear. 
Charge battery; if problem persists, change 
battery. 
Low-BAT LED on Steady
Low battery
Charge battery; if problem persists, change 
battery. 
Prints illegible characters.
Improper baud rate and parity
Verify the printer and host settings. Use self-
test to verify printer settings. 
Printer will not print in IrDA 
mode 
Obstruction of IrDA
Clear obstruction. 
 
IrDA mode is not selected
DIP switch #8 must be on.
Will not connect to host device.
Limit the IrDA baud rate to 9600 on the host 
device. 
.