Photo drum SGT HP LJ Pro M402/426/506 (CF226A/X/CF287A) (DAD-427)

The photo drum is one of the main parts of copiers and laser printers. Structurally, it is a metal cylinder (usually aluminum), covered with a layer of photoconductive material — a dielectric, the electrical resistance of which drops sharply under the influence of light radiation.

At first, selenium compounds were used as photoconductors. Currently, selenium photo drums are almost completely discontinued. Various organic compounds are used instead of selenium. Recently, photo drums with a coating of amorphous silicon have become widely used.

Characteristics Photodrums/photoreceptors

Model

HP LJ Pro M402/426/506 (CF226A/X/CF287A)

For the brand

Hewlett-Packard

Article

DAD-427

For the cartridge

Hewlett-Packard CF287X

Manufacturer

SGT

For the printer

Hewlett-Packard LJ Pro M426FDW

Country of manufacture

Китай

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