Developing Unit Drive Mechanism - Minolta Di 620 Manual

1155SBM1101A

11-1. Developing Unit Drive Mechanism

Drive for the Developing Unit comes from Developing Unit Drive Motor.
Coupling Gear 2 is spring-loaded. If the protruding part of Coupling Gear 1 makes
contact with that of Coupling Gear 2 when the PC Unit is slid into the copier, spring-
loaded Coupling Gear 2 is pushed back toward the rear of the copier allowing the
PC Unit to be slid into position. When drive is later transmitted to the Developing
Unit, Coupling Gear 2 is pushed to the front by the tension of the spring to mesh
positively with Coupling Gear 1.
The following parts are driven by the Developing Unit Drive Motor. Given in ( ) are
the drive gears keyed to the illustration.
Sub Hopper Toner Conveying Screw
Sub Hopper Toner Agitating Lever
Developer Conveying/Agitating Screw
Bucket Roller
Toner Replenishing Sleeve/Magnet Roller
1st and 2nd Sleeve/Magnet Roller
Rear of Copier
Developing Unit Drive Motor
(M1)
(Coupling Gear 1)
A
B
C
Coupling Gear 2
M-54
(A)
(B)
(C)
(D)
, (E, F)
F
Coupling Gear 1
D
E
1155M013AA