Oki Data CONFIDENTIAL
2. DESCRIPTION OF OPERATION
44871001TH Rev.6
2-10
2.4 Image Scanning process
2.4.1 Structure and process of RADF
2.4.1.1 Cross-section view
Paper tray
Regist roller
Paper guide
Pressure roller
Pick-up roller
Paper weight
Friction pad
Exit roller
Feed roller
Upper pinch roller
Separation pad
Lower pinch roller
Transfer roller
Paper stocker
Pinch roller
2.4.1.2 Electrical configuration
Electrical circuit configuration
This Scanner is controlled by the SU board (MHE).
The ASIC mounted on the SU board (MHE) control the DC load devices such as motor,
solenoid and clutch via the ADF board (MHD), in dependance of the sensor signals and
control signals from the CU/PU board (98M) not to be shown in the below figure.
Motor
MOTIF
ADF board
(MHD)
SU board
(MHE)
+24V
+3.3V
ADFM
SNSIF
ADFS
Sensor
Solenoid
Clutch
Summary of Contents for MB461MFP
Page 1: ...MB461 MB471 MB491 MB491 MB491 LP MPS4200mb MPS4700mb Maintenance Manual 031314C ...
Page 72: ...Oki Data CONFIDENTIAL 44871001TH Rev 6 3 21 3 MFP INSTALLATION Sample MB471 Sample MB491 ...
Page 114: ...44871001TH Rev 6 4 36 Oki Data CONFIDENTIAL 4 REPLACEMENT OF PARTS ...
Page 138: ...Oki Data CONFIDENTIAL 5 LUBRICATING POINT 5 1 Lubrication point 5 2 ...