Specifications

13-2. Developing Unit Drive Mechanism
•
Drive for the Developing Unit comes from PC Drum Drive Motor M5.
•
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 M5. Given in ( ) are the drive gears keyed
to the illustration.
Sub Hopper Toner Conveying Screw
➀
(A)
Sub Hopper Toner Agitating Lever
➁
(B)
Developer Conveying/Agitating Screw
➂
(C)
Bucket Roller
➃
(Coupling Gear 1)
Toner Replenishing Sleeve/Magnet Roller
➄
(D)
1st and 2nd Sleeve/Magnet Roller
➅
,
➆
(E, F)
➆
Note: To ensure that a stabilized amount of developer is conveyed, the
Toner Replenishing Sleeve/Magnet Roller is turned at a rate approx.
3/5 of that of the 1st and 2nd Sleeve/Magnet Roller.
B
M5
A
Coupling Gear 1
Coupling Gear 2
D
➄
➃
➁
E
➀
C
➂
➅
Rear of Copier
F
M-70