Minolta Magicolor 3100 Series Manual do Utilizador Página 322

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1.3.4 Primary transfer (drum -> IDT 1)
In the primary transfer process, toner image formed on the drum surface is transferred onto the surface of
the IDT 1 (Intermediate Drum Transfer 1: intermediate transfer roll 1).
Two IDT 1 are provided: yellow and magenta, and cyan and black are respectively transferred to their IDT
1.
IDT 1 is a conductive roll and receives supply of high positive voltage from HVPS.
The toner image (negatively charged) on the drum is attracted to the IDT1 positively charged, and
transferred from the drum to the IDT1 surface.
At this time, electric charge of the drum surface is neutralized by the IDT1
Drum (Y)
-
+
IDT1
-
Drum (M)
-
-
-
-
-
-
-
+
+
+
+
+
+
+
+
+
+
+
+
Drum (C)
IDT1
-
Drum (K)
-
-
-
-
-
-
-
+
+
+
+
+
+
+
+
+
+
+
+
HVPS
engine principle0015FA
: Negative electric charge
: Positive electric charge
: Toner
Drum surface
engine principle0016FA
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