No.

Item

Specification

 

 

 

Drawing

 

 

Adjustment method

 

 

 

 

 

 

 

 

 

 

 

 

4–1–1

Gap between the plat-

 

 

 

 

 

 

 

 

 

It shall be measured

 

en and the print head

 

 

 

 

 

 

 

 

 

at 3 points: the left

 

 

 

 

 

 

 

 

 

 

 

end, the

 

center

and

 

1) Parallelism ad-

 

 

 

 

 

 

 

 

 

the right end of the

 

justment

Variation

of

 

 

 

 

 

 

platen.

 

 

 

 

 

 

value at

the

 

 

 

 

 

 

 

 

 

 

 

 

 

left, the center

 

 

 

 

 

 

Adjustment method

 

 

and

the right

 

 

 

 

 

 

 

 

 

 

 

 

 

shall

be

less

 

 

 

 

 

 

(1) Gap between the

 

 

than 0.02 mm

 

 

 

 

 

 

platen and

the

 

 

 

 

 

 

 

After adjustment, mark the adjust

print head at the

 

 

 

 

 

 

 

left end and the

 

 

 

 

 

 

 

composition with a red pen.

 

 

 

 

 

 

 

 

 

 

 

right end shall be

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Left

Right

 

 

adjusted by rota-

 

 

 

 

 

 

 

Adjust cam

ting

the

adjust

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

cam.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(2) Set

the

adjust

 

 

 

 

 

 

Marking

 

 

 

lever

at

the

 

 

 

 

 

 

 

 

 

Range: 1. Press

 

 

 

 

 

 

 

 

 

 

 

the adjust

gear

 

 

 

 

 

 

 

 

 

 

 

downward

(in

 

 

 

 

 

 

 

 

 

 

 

direction

A) to

 

 

 

 

 

 

 

 

 

 

 

push

 

the

adjust

 

 

 

 

 

 

 

 

 

 

 

gear

 

and

the

 

 

 

 

 

 

 

 

 

 

 

adjust gear out of

 

 

 

 

 

 

 

 

 

 

 

mesh.

 

 

 

 

0.41±0.03 mm

 

 

 

 

 

 

(3) Adjust the gap by

 

2) Initial adjustment

 

 

 

 

 

 

rotating the adjust

 

 

 

 

 

 

 

 

 

 

 

screw in direction

 

Carriage shaft

 

 

 

 

 

 

 

 

B or C while the

 

 

 

 

 

 

 

 

 

adjust

lever

and

 

 

 

 

 

 

 

 

 

 

 

the adjust

gear

 

 

 

 

 

 

 

Platen

 

 

 

are disengaged.

 

 

 

 

 

 

 

 

 

 

 

(4) After adjustment,

 

 

 

 

 

 

 

 

 

 

 

mark

 

the

adjust

 

 

 

 

 

 

 

 

 

 

 

cam position with

 

 

Left

 

 

Center

Right

 

 

a red pen.

 

Range: 1

Range: 5

Print head

Adjust lever

Adjust gear

 

Adjust screw

Adjust cam

 

4 – 2

Page 85 Page 87
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Image 86
Oki 3390, Microline Printer, 3391 specifications Specification Drawing
Page 85 Page 87

3390, Microline Printer, 3391 specifications

The Oki 3391 Microline Printer embodies precision and versatility, making it an essential tool for various business applications. Built with a range of powerful features, this dot matrix printer excels in environments that require consistent, reliable printing. The Oki 3391 is a member of the Oki 3390 series, renowned for its robust design and technological advancements.

One of the standout characteristics of the Oki 3391 is its impressive printing speed. The printer operates at a rate of up to 550 characters per second, significantly boosting productivity in busy office settings. This speed allows users to handle high-volume print jobs efficiently, ensuring deadlines are consistently met. Additionally, the Oki 3391 offers page mode printing, which is ideal for multi-part forms, making it a popular choice for invoicing and record-keeping applications.

The Oki 3391 utilizes advanced print head technology, featuring a 24-pin mechanism that delivers high-quality text and graphics. This ensures that printed documents have clear, sharp details while maintaining a professional appearance. The printer supports various paper types and media sizes, from plain paper to labels and envelopes, enhancing its flexibility to meet diverse printing needs.

In terms of connectivity, the Oki 3391 is equipped with multiple interface options, including parallel and USB connections, facilitating easy integration into existing office setups. This versatility enables users to connect the printer to various devices, such as PCs and terminals, without hassle. Furthermore, the printer offers a range of emulations, ensuring compatibility with different software applications.

Durability and reliability are fundamental qualities of the Oki 3391. Designed to withstand high usage, it features robust components and is built for long-term operation, minimizing downtime. Its energy efficiency also aligns with modern environmental standards, making it a responsible choice for businesses looking to reduce their carbon footprint.

Overall, the Oki 3391 Microline Printer, part of the 3390 series, stands out for its speed, print quality, and durability. Its ability to handle various printing tasks while providing consistent performance makes it an invaluable asset for businesses that value efficiency and reliability in their document processing. Whether printing multi-part forms or daily reports, the Oki 3391 delivers exceptional results, making it a top contender in the dot matrix printer market.
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