Toshiba 353, 452, 453, 350 service manual Structure

Models: 350 353 453 452

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8.2 Structure

(1)Laser emission Unit

This unit consists of the laser diode, finite focus lens, aperture and cylinder lens.

a.Laser diode

This laser diode features low droop, small laser variation and low threshold current. Aperture determines the shape of the laser beam at laser emission position of the primary scanning and secondary scanning.

Laser diode radiates the laser beam responding to the laser emission control (ON/OFF) signal from the laser driving PC board. Laser beam which passed through the finite focus lens is focused on the drum surface.

b.CAUTION

The beam of the semiconductor laser is very weak (about 5 mW), but focused parallel rays creates great energy which is hazardous.

Some material of the components of the laser optical unit are metal. Since the unit is in a sealed container, there is no danger of laser leakage during normal operation.

Note:

Laser beam is not visible. Pay the closest attention when handling the laser unit components or performing operations such as adjustment of the laser beam, and this kind of operations are very dangerous and must be performed only by specially trained staff.

The warning label shown below is attached on the inner housing at the front side of the equipment.

8

Fig. 8-201

[CAUTION]

Do not approach tools near the path of the laser beam.

Take off your watches, rings, bracelets, etc. before handling the unit.

© 2003 - 2008 TOSHIBA TEC CORPORATION All rights reserved 8 -

e-STUDIO350/352/353/450/452/453

 

LASER OPTICAL UNIT

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Toshiba 353, 452, 453, 350 service manual Structure

350, 353, 453, 452 specifications

The Toshiba 452, 282, and 352 models represent a significant leap in multifunction printing technology, designed for office environments that prioritize efficiency, reliability, and advanced features. These models are part of Toshiba's commitment to innovation and sustainability, emphasizing quality output while reducing environmental impact.

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In terms of speed, these models deliver impressive performance, with the capability to print up to 45 pages per minute for the 452, 28 pages per minute for the 282, and 35 pages per minute for the 352. This high-speed output is coupled with a fast first-page out time, ensuring that users spend less time waiting and more time focusing on their core business activities.

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In summary, the Toshiba 452, 282, and 352 models are versatile multifunction printers that offer a blend of speed, quality, and user-friendly features. Their commitment to sustainability and security makes them ideal choices for modern office environments looking to enhance productivity and efficiency.