Confidential

3) Errors that are impossible to recover

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Table 3.8.3

Unrecoverable Errors

 

 

Error

Description

 

 

 

ERROR LED Flashing Pattern

Recovery

 

 

 

 

 

 

160 ms

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R/W error in

After R/W checking, the

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Impossible to recover.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

memory or

printer does not work

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

gate array

correctly.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

High voltage

The power supply

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Impossible to recover.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

error

voltage is extremely

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

high.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Low voltage

The power supply

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Impossible to recover.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

error

voltage is extremely

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

low.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CPU

The CPU executes an

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Impossible to recover.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

execution

incorrect address or I/F

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

error

board is not connected.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

UIB error

An abnormal operation

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Impossible to recover.

 

 

occurs in UIB.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Internal

Internal circuits are not

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Impossible to recover.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

circuit

connected correctly.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

connection

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Approximately 2.56 s

 

 

error

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

NOTE: When any error shown above occurs, turn off the power as soon as possible.

3.8.2 Printer Operation When an Error Occurs

The printer executes the following operations when detecting an error.

Stops all printer operations for the selected paper section.

Goes offline.

Goes BUSY. (See Section 3.3.3 DIP switches when DIP switch 2-1 is off.)

Flashes the ERROR LED.

3.8.3Data Receive Error (only in the serial interface specification)

If one of the following errors occurs during serial interface communication, the printer prints "?" or ignores the data, depending on the setting of DIP switch 1-1.

Parity error

Framing error

Overrun error

TITLE

EPSON

TM-T81

SHEET

NO

 

REVISION

 

 

Specification

 

 

 

A

NEXT

SHEET

(STANDARD)

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Epson T81 specifications Printer Operation When an Error Occurs, Unrecoverable Errors, Cpu