TH250
Programmer’s Guide
5
Indicators
The printer communicates various conditions both visually, with the green LED or audibly, with a
series of tones or beeps.
The following table lists these indicators.
Indicator Sequence
Condition
LED
Continuous, blinking on
Paper out
Cover open
Black dot sensor error
Knife unable to home
LED
Continuous, blinking off
Paper is low
Printhead too hot
Voltages low/high
LED
Continuous, double LED flash
Write to permanent memory in progress
LED
Blinks once every five seconds
Printer in sleep mode
LED
Continuous, quick blinking (on
power up)
Invalid firmware
LED
Continuous, slow blinking
Power supply and max power setting
don’t match
Tone
Two-tone beep (low frequency,
high frequency)
Start-up diagnostics completed
successfully
LED and
Tone
Two-tone beep (low frequency,
high frequency)
Continuous, quick blinking of LED
When entering flash download mode*
*
Note:
The printer enters flash download mode when a download command
is sent to the printer.
The printer is also able to communicate its status to the host application if the application has been
programmed to receive this information.
Error conditions and correcting them
Refer to section “Troubleshooting the printer” in chapter “Using the printer” in the User Manual.
Communication of printer status to the host application
Refer to section “Command descriptions” in chapter “Programming commands, Status” sections.
Summary of Contents for TH250
Page 1: ...TH250 Thermal Printer Programmer s Guide January 2016 ...
Page 153: ...TH250 Programmer s Guide 148 Character code table Page 1 PC850 Multilingual Latin I ...
Page 154: ...TH250 Programmer s Guide 149 Character code table Page 2 PC852 Latin II ...
Page 155: ...TH250 Programmer s Guide 150 Character code table Page 3 PC860 Portuguese ...
Page 156: ...TH250 Programmer s Guide 151 Character code table Page 4 PC863 Canadian French ...
Page 157: ...TH250 Programmer s Guide 152 Character code table Page 5 PC865 Nordic ...
Page 158: ...TH250 Programmer s Guide 153 Character code table Page 6 PC858 Multilingual I Euro ...
Page 159: ...TH250 Programmer s Guide 154 Character code table Page 7 PC866 Russian ...
Page 160: ...TH250 Programmer s Guide 155 Character code table Page 8 WPC1252 Latin I ...
Page 161: ...TH250 Programmer s Guide 156 Character code table Page 9 PC862 Hebrew ...
Page 162: ...TH250 Programmer s Guide 157 Character code table Page 10 PC737 Greek ...
Page 163: ...TH250 Programmer s Guide 158 Character code table Page 11 PC874 Thai ...
Page 164: ...TH250 Programmer s Guide 159 Character code table Page 12 PC857 Turkish ...
Page 165: ...TH250 Programmer s Guide 160 Character code table Page 13 WPC1251 Cyrillic ...
Page 166: ...TH250 Programmer s Guide 161 Character code table Page 14 WPC1255 Hebrew ...
Page 167: ...TH250 Programmer s Guide 162 Character code table Page 15 KZ_1048 Kazakh ...
Page 168: ...TH250 Programmer s Guide 163 Character code table Page 16 WPC1254 Turkish ...
Page 169: ...TH250 Programmer s Guide 164 Character code table Page 17 WPC1250 Central Europe ...
Page 170: ...TH250 Programmer s Guide 165 Character code table Page 18 WPC28591 Latin 1 ...
Page 171: ...TH250 Programmer s Guide 166 Character code table Page 19 WPC28592 Latin 2 ...
Page 172: ...TH250 Programmer s Guide 167 Character code table Page 20 WPC28599 Turkish ...
Page 173: ...TH250 Programmer s Guide 168 Character code table Page 21 WPC28605 Latin 9 ...
Page 174: ...TH250 Programmer s Guide 169 Character code table Page 22 PC864 Arabic ...
Page 175: ...TH250 Programmer s Guide 170 Character code table Page 23 PC720 Arabic ...
Page 176: ...TH250 Programmer s Guide 171 Character code table Page 24 WPC1256 Arabic ...
Page 177: ...TH250 Programmer s Guide 172 Character code table Page 25 WPC28596 Arabic ...
Page 178: ...TH250 Programmer s Guide 173 Character code table Page 26 KATAKANA Asia ...
Page 179: ...TH250 Programmer s Guide 174 Character code table Page 27 PC775 Baltic ...
Page 180: ...TH250 Programmer s Guide 175 Character code table Page 28 WPC1257 Baltic ...
Page 181: ...TH250 Programmer s Guide 176 Character code table Page 29 WP28594 Baltic ...