Confidential

3) Errors that are impossible to recover

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Table 3.7.3

 

Unrecoverable Errors

 

 

 

 

 

Error

Description

ERROR LED Blinking 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.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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.

3.7.2 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 BUSY (Refer to Section 3.3.3 DIP switches when DIP switch 2-1 is off).

•Blinks the ERROR LED.

3.7.3 Data 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

TM-T88IIIseries

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EPSON Specification (STANDARD)

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Image 70
Epson TM-T88III Series specifications Printer Operation When an Error Occurs, Unrecoverable Errors, Cpu
Page 69 Page 71

TM-T88III Series specifications

The Epson TM-T88III Series is among the most popular thermal receipt printers available in the market, engineered for high performance and versatility in point-of-sale (POS) environments. Known for its reliability and efficiency, the TM-T88III is particularly suited for retail, hospitality, and other service-oriented industries where quick and accurate printing is essential.

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