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Chapter 1 Product Overview
1
Unrecoverable Errors
Printing is no longer possible when unrecoverable errors occur. If the same error occurs again even after
turning the power back on, contact your dealer or a Epson service center.
CAUTION
Immediately turn off the power and remove the battery when unrecoverable errors occur.
Error
Error description
Error LED flash code
Internal circuit
error
Internal circuits are not connected
correctly.
R/W error in
memory
After R/W checking, the printer does
not work correctly.
High voltage
error
The power supply voltage is high.
Overload error
The temperature of the print head
or battery is extremely high or low.
CPU execution
error
The CPU is executing an incorrect
address.
Wireless
communication
unit error
Wireless communication does not
work correctly or the wireless com-
munication unit is disconnected.
LED ON
LED OFF
Approx. 5.12 s
LED ON
LED OFF
Approx. 320 ms
LED ON
LED OFF
Approx. 320 ms
LED ON
LED OFF
Approx. 320 ms
LED ON
LED OFF
Approx. 320 ms
LED ON
LED OFF
Approx. 320 ms
Содержание TM-P20
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