Epson TM-T88IV TM-T88IV Technical Reference Guide - Page 20

Unrecoverable Errors, CAUTION

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Unrecoverable Errors Printing is no longer possible when unrecoverable errors occur. The printer must be repaired. Turn off the power immediately when unrecoverable errors occur. CAUTION Error Error description Memory R/W error High voltage error Low voltage error After R/W checking, the printer does not work correctly. The power supply voltage is extremely high. 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. UIB error An abnormal operation occurs in UIB. Error LED flash code Approx. 160 ms Approx.2.56 s 20

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20
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 unrecoverable errors occur.
Error
Error description
Error LED flash code
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.
UIB error
An abnormal operation occurs in UIB.
Approx.
160 ms
Approx.2.56 s