Service manual

DRIVE SECTION
2-B-1
2 UNIT EXPLANATION
DRIVE SECTION
[1] Composition
[2] Mechanisms
*1 Independent drive mechanisms
Drive mechanisms are driven by dedicated motors to ensure high-speed operation and to improve service-
ability of the drum unit and developing performance.
In order to improve the fixativeness in copying thick paper, the selection of [Thick paper 3] in the key operation
mode decreases the linear speed of the main motor (M1) to 210mm/s only when the paper passes through
the fixing unit.
The mode of [Thick paper 3] is available only when the length of the paper in the paper feed direction is 216mm
or shorter and the paper is fed from LT.
Mechanism Driven Parts Method
*1 Drum drive Drum, clearer fur brush Gear drive (dedicated motor)
*1 Developing drive Developing sleeve Gear drive (dedicated motor)
*1 Main drive Fixing upper roller Gear drive (dedicated motor)
*1 Paper feed drive Tray 1/2/3, Vertical conveyance roller
(middle/lower)
Gear drive (dedicated motor) + Belt
*1 By-pass/loop drive By-pass feed roller, loop roller, vertical
conveyance roller (upper)
Gear drive (dedicated motor)
*1 Paper exit drive Paper exit roller Gear drive (dedicated motor)
Developing motor (M3)
Drum motor (M2)
Loop roller motor (M6)
Paper feed motor (M4)
Paper exit motor
(M10)
Main motor (M1)
chapter2_B.fm Page 1 Friday, October 4, 2002 3:04 PM