Confidential
EPSON
TITLE
SHEET
REVISION
NO.
SHEET
NEXT
A
TM-U220A
Specification
(For Argentina Fiscal)
33 32
3.5 Error Processing
3.5.1 Error types
1) Errors that automatically recover
Table 3.5.1 Automatically Recoverable Error
Error
Description
ERROR LED flashing pattern
Recovery
Roll paper cover
open error (when
recoverable error
is selected) (*1)
Printing on roll
paper is not
performed
correctly due to a
cover-open
Approximately 160 ms
Recovers
automatically
when the cover is
closed.
Print head
temperature error
(*2)
The temperature of
the print head is
extremely high.
Approximately 160 ms
Recovers
automatically
when the print
head cools.
NOTES: *1: The printer cover open error operation can be selected with the memory switch.
*2: If an abnormal temperature is detected, the printer generates a print head temperature
error as an unrecoverable error.
•
A print head temperature error is not abnormal.
2) Recoverable errors
Table 3.5.2 Recoverable Errors
Error
Description
ERROR LED flashing pattern
Recovery
Roll paper cover
open error
(when an error
that may possibly
recover is
selected) (*1)
Printing on roll
paper is not
performed
correctly due to a
cover-open.
Approximately 160 ms
Recovers by
DLE
ENQ 1
or
DLE
ENQ 2
when the
cover is closed.
Home position
detection error
(mechanical
error)
Home position
cannot be detected
due to a paper jam
or other problem.
Approximately 160 ms
Recovers using
DLE ENQ 2
.
Autocutter error
(*2)
Abnormality in the
autocutter.
Approximately 2.56 s
Recovers using
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.