DIP Switch Tables

DIP switch 1 (Serial Interface)

SW

Function

ON

OFF

1-1

Data receive error

Ignored

Prints “?”

 

 

 

 

1-2

Receive buffer

45 bytes

4K bytes

 

capacity

 

 

 

 

 

 

1-3

Handshaking

XON/XOFF

DTR/DSR

 

 

 

 

1-4

Data word length

7 bits

8 bits

 

 

 

 

1-5

Parity check

Enabled

Disabled

 

 

 

 

1-6

Parity selection

Even

Odd

 

 

 

 

1-7

Transmission speed (See table A.)

 

1-8

 

 

 

 

 

 

 

Table A

Transmission speed (bps)-bits per second

SW1-7

SW1-8

Adjustable by control commands*

ON

ON

 

 

 

4800

OFF

ON

 

 

 

9600

ON

OFF

 

 

 

19200

OFF

OFF

 

 

 

*Only when DIP Switches 1-7 and 1-8 are on, the transmission speed can be selected from one of seven speeds: 2400, 4800, 9600, 19200, 38400, 57600, and 115200 bps by control commands. The default is 38400.

DIP switch 1 (Parallel/USB Interface)

SW

Function

ON

OFF

 

 

 

 

1-1

Auto line feed

Always

Always disabled

 

 

enabled

 

 

 

 

 

1-2

Receive buffer

45 bytes

4KB

 

capacity

 

 

 

 

 

 

1-3*1

Select paper sensors

Disabled

Roll Paper end

 

to output paper-end

 

sensor enabled,

 

signals (default value

 

Roll Paper near-

 

of a command) from

 

end sensor

 

parallel I/F.

 

enabled

 

 

 

 

1-4*1

Error signal output

Disabled

Enabled

 

from parallel I/F

 

 

 

 

 

 

1-5~

Undefined

 

1-7

 

 

 

 

 

 

 

1-8*2

Power saving function

Disabled

Enabled

 

for USB

 

 

 

 

 

 

*1: For USB I/F, DIP Switches 1-3 and 1-4 are Undefined.

*2: For Parallel I/F, DIP Switch 1-8 is Undefined.

DIP switch 2 (Serial/Parallel/USB Interface)

SW

Function

ON

OFF

 

 

 

 

2-1

Handshaking

Receive buffer

Offline or

 

(BUSY condition)

full

Receive buffer

 

 

 

full

 

 

 

 

2-2

Do not change

Fixed to OFF

 

settings

 

 

 

 

 

2-3

Print density/

See Table B

2-4

Low power

 

 

 

consumption mode

 

 

 

 

 

 

2-5

Release condition of

Releases BUSY

Releases BUSY

 

receive buffer BUSY

when remaining

when remaining

 

(If receive buffer

receive buffer

receive buffer

 

capacity set to 4 KB.)

capacity

capacity

 

 

reaches

reaches

 

 

138 bytes.

256 bytes.

 

 

 

 

2-6

Do not change

Fixed to OFF

 

settings.

 

 

 

 

 

 

DIP switch 2-7, 2-8 (Serial Interface)

SW

Function

ON

OFF

 

 

 

 

2-7

I/F pin 6 reset

Enabled

Disabled

 

 

 

 

2-8

I/F pin 25 reset

Enabled

Disabled

 

 

 

 

DIP switch 2-7, 2-8 (Parallel/USB Interface)

SW

Function

ON

 

OFF

 

 

 

 

 

2-7

Do not change

 

Fixed to OFF

 

 

 

 

2-8

Do not change

 

Fixed to ON

 

 

 

 

 

Table B

Print density/low power

SW2-3

SW2-4

– Low power consumption mode

ON

ON

 

 

 

Print density “Normal”

OFF

OFF

 

 

 

Print density “Medium”

ON

OFF

 

 

 

Print density “Dark”

OFF

ON

 

 

 

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Epson T88IV user manual DIP Switch Tables
Page 3 Page 5

T88IV specifications

The Epson T88IV is a leading point-of-sale (POS) printer designed for high-performance transaction environments. Known for its reliability and efficiency, the T88IV stands out in businesses ranging from retail to hospitality, offering a perfect blend of features and cutting-edge technology.

One of the standout characteristics of the T88IV is its print speed. With a maximum print speed of 350 mm per second, this printer ensures that transactions are completed swiftly, minimizing wait times for customers and enhancing the overall service experience. This high-speed performance is complemented by quiet operation, making it ideal for busy environments where noise reduction is preferred.

The T88IV utilizes advanced thermal printing technology, which eliminates the need for ink or toner, resulting in lower maintenance costs and less environmental waste. Thermal printing also ensures that receipts are printed with high-quality graphics and sharp text, providing customers with clear and professional documentation of their purchases.

Connectivity is a key feature of the T88IV. It supports multiple interfaces including USB, Ethernet, and Bluetooth, allowing businesses to integrate the printer seamlessly into their existing POS systems. This flexibility in connectivity options ensures that the T88IV can adapt to various business setups, enhancing its versatility.

Moreover, the printer has a compact design, making it suitable for environments where space is limited. Its sleek and modern aesthetics enable it to blend effortlessly with other POS equipment. The T88IV is also user-friendly, with an easy paper loading mechanism that minimizes downtime during busy hours.

The Epson T88IV supports a wide range of paper formats and sizes, which adds to its versatility across different applications. The printer can handle both standard and customized receipt formats, ensuring businesses can tailor their customer communications effectively.

In addition to its technical features, the T88IV is backed by Epson's robust reliability. It is designed to withstand the high demands of retail and restaurant environments, boasting a mean time between failures (MTBF) rating that ensures longevity and ongoing performance.

Overall, the Epson T88IV is a powerful and efficient choice for any business seeking a dependable POS printer. With its blend of speed, connectivity, ease of use, and durability, it meets the needs of modern transaction environments, helping businesses enhance customer satisfaction while operating smoothly and effectively.
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