Chapter 1 Product Overview
19
1
Unrecoverable Errors
Pr
inting
i
s
n
o lo
ng
er poss
i
ble whe
n
un
recoverable errors occ
u
r. The pr
int
er m
u
s
t
be repa
i
red.
CAUTION
Turn off the power immediately when an unrecoverable error occurs.
Error
Error description
Error LED flashing pattern
Memory R/W error
After R/W checking, the printer
does not work correctly.
High voltage error
The power supply voltage is
extremely high.
Low voltage error
The power supply voltage is
extremely low.
CPU execution error
The CPU is executing an
incorrect address.
Internal circuit
connection error
Internal circuits are not
connected correctly.
LED ON
LED OFF
Approx. 160 ms
LED ON
LED OFF
Approx. 160 ms
LED ON
LED OFF
Approx. 160 ms
LED ON
LED OFF
Approx. 160 ms
LED ON
LED OFF
Approx. 160 ms
Approx. 2.56 s
Summary of Contents for TM-T20
Page 54: ...54 ...
Page 74: ...74 ...
Page 88: ...88 Page 0 PC437 USA Standard Europe ...
Page 89: ...Appendix 89 Page 1 Katakana ...
Page 90: ...90 Page 2 PC850 Multilingual ...
Page 91: ...Appendix 91 Page 3 PC860 Portuguese ...
Page 92: ...92 Page 4 PC863 Canadian French ...
Page 93: ...Appendix 93 Page 5 PC865 Nordic ...
Page 94: ...94 Page 11 PC851 Greek ...
Page 95: ...Appendix 95 Page 12 PC853 Turkish ...
Page 96: ...96 Page 13 PC857 Turkish ...
Page 97: ...Appendix 97 Page 14 PC737 Greek ...
Page 98: ...98 Page 15 ISO8859 7 Greek ...
Page 99: ...Appendix 99 Page 16 WPC1252 ...
Page 100: ...100 Page 17 PC866 Cyrillic 2 ...
Page 101: ...Appendix 101 Page 18 PC852 Latin2 ...
Page 102: ...102 Page 19 PC858 Euro ...
Page 103: ...Appendix 103 Page 20 KU42 Thai ...
Page 104: ...104 Page 21 TIS11 Thai ...
Page 105: ...Appendix 105 Page 26 TIS18 Thai ...
Page 106: ...106 Page 30 TCVN 3 Vietnamese ...
Page 107: ...Appendix 107 Page 31 TCVN 3 Vietnamese ...
Page 108: ...108 Page 32 PC720 Arabic ...
Page 109: ...Appendix 109 Page 33 WPC775 Baltic Rim ...
Page 110: ...110 Page 34 PC855 Cyrillic ...
Page 111: ...Appendix 111 Page 35 PC861 Icelandic ...
Page 112: ...112 Page 36 PC862 Hebrew ...
Page 113: ...Appendix 113 Page 37 PC864 Arabic ...
Page 114: ...114 Page 38 PC869 Greek ...
Page 115: ...Appendix 115 Page 39 ISO8859 2 Latin2 ...
Page 116: ...116 Page 40 ISO8859 15 Latin9 ...
Page 117: ...Appendix 117 Page 41 PC1098 Farsi ...
Page 118: ...118 Page 42 PC1118 Lithuanian ...
Page 119: ...Appendix 119 Page 43 PC1119 Lithuanian ...
Page 120: ...120 Page 44 PC1125 Ukrainian ...
Page 121: ...Appendix 121 Page 45 WPC1250 Latin 2 ...
Page 122: ...122 Page 46 WPC1251 Cyrillic ...
Page 123: ...Appendix 123 Page 47 WPC1253 Greek ...
Page 124: ...124 Page 48 WPC1254 Turkish ...
Page 125: ...Appendix 125 Page 49 WPC1255 Hebrew ...
Page 126: ...126 Page 50 WPC1256 Arabic ...
Page 127: ...Appendix 127 Page 51 WPC1257 Baltic Rim ...
Page 128: ...128 Page 52 WPC1258 Vietnamese ...
Page 129: ...Appendix 129 Page 53 KZ1048 Kazakhstan ...
Page 130: ...130 Page 255 User Defined Page ...