Table of Contents
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Cleaning the Printhead and Platen Roller ............................................................. 22
Cleaning the Sensor ................................................................................................ 23
Troubleshooting Scenarios .................................................................................... 24
Cutter does not cut or cuts poorly .......................................................................25
Labels won't feed ................................................................................................25
Labels are jammed in the printer ........................................................................25
Printer does not turn on ......................................................................................25
Printer turns off by itself ......................................................................................26
Print quality is poor .............................................................................................26
The first label printed has a black line on it .........................................................27
Nothing prints ......................................................................................................27
Text positioned incorrectly on pre-sized labels ...................................................27
Battery doesn't fully charge in four hours ............................................................27
Printer not connecting to mobile device ..............................................................27
Error Messages........................................................................................................ 28
Agency Compliance and Approvals ...................................................................... 29
United States ......................................................................................................29
Canada ...............................................................................................................29
Mexico .................................................................................................................29
Europe ..............................................................................................................30
Turkey .................................................................................................................30
China ...................................................................................................................31
Taiwan ................................................................................................................31
Wireless Regulatory Information ........................................................................... 31
United States ......................................................................................................32
Canada ...............................................................................................................32
Mexico .................................................................................................................32
European Union ..................................................................................................33
International ........................................................................................................33
Japan ..................................................................................................................33
China ...................................................................................................................33
FreeRTOS ................................................................................................................. 34
Newlib ....................................................................................................................... 34
CMSIS ....................................................................................................................... 35
Apache License ..................................................................................................35
RapidJSON ............................................................................................................... 38
M211 User Manual
FCC Notice ...................................................................................................29
RoHS Directive 2011/65/EU, 2015/863/EU ..................................................30
Batteries Directive 2006/66/EC ....................................................................30
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