
Confidential
EPSON
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REVISION
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SHEET
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F
66 65
TM-T90
Specification
(STANDARD)
3.8 Error Processing
3.8.1 Error Types
1) Errors that automatically recover
Table 3.8.1 Automatically Recovarable Errors
Error Description
ERROR LED flashing pattern
Approximately 320 ms
Recovery
Paper roll cover
open error (when
recoverable error is
selected) (*1)
Printing on the
paper roll is not
performed
correctly due to a
cover-open
Recovers automatically
when the cover is closed.
Print head
temperature error
(*2)
The temperature
of the print head
is extremely high.
Recovers automatically
when the print head cools.
NOTES: *1: The printer cover open error operation can be selected with the memory switch.
*2: This error occurs if a high temperature is detected such as when the printer prints with a
high duty continuously.
This error does not mean an abnormal. If the printer detects an abnormal value,
caused with the something wrong in the circuit, the printer goes to the driving error.
2) Errors can be recovered with a command
Table 3.8.2 Errors Where Recovery is Possible
Error Description
ERROR LED flashing pattern
Approximately 320 ms
Recovery
Paper roll cover
open error
(when an error that
may possibly
recover is selected)
Printing on the
paper roll is not
performed
correctly due to a
cover-open.
Recovers by DLE ENQ 1
or DLE ENQ 2 when the
cover is closed.
Autocutter error (*2) The autocutter
does not work
correctly.
Approximately 5,120 ms
Recovers by DLE ENQ 1
or DLE ENQ 2.
NOTES: *1: The printer cover open error operation can be selected with a memory switch.
*2: When an autocutter error occurs caused by jamming paper, turn the power off and
remove the jammed paper, then turn the power on again.