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Doctor blade (DB)

Toner cartridges FAQ
Release time:
2019-09-30 03:24
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1. DB structure: There are two kinds of DB: one is metal powder doctor blade, the other is rubber powder doctor blade, rubber powder doctor blade structure: it is composed of iron frame and rubber sheet; metal powder doctor blade structure: It is composed of iron frame and steel sheet.

2.Working principle: Control the thickness of the toner layer on the magnetic roller(MR)/developing roller(DR) and assist the toner to be charged and charged.

3.Note:The DB cannot be pressed against each other and are prone to deformation;If the rubber powder DB is stored for too long, the rubber will become yellow and aging .

The metal powder DB should prevent extrusion and the steel sheet is deformed.