HP FAX-750 Service Manual - Page 13
III. THEORY OF OPERATION, Power Supply PCB
View all HP FAX-750 manuals
Add to My Manuals
Save this manual to your list of manuals |
Page 13 highlights
CONTENTS 1. OVERVIEW ...III-1 2. MECHANISMS ...III-2 2.1 Transmitting Mechanism (Feeding and scanning documents III-2 2.1.1 Automatic document feeder (ADF III-2 2.1.2 Scanner ...III-3 2.2 Receiving Mechanism (Feeding paper and printing data III-4 2.3 Power Transmission Mechanism III-5 2.3.1 Structure of the gear train III-5 2.3.2 Description of planetary gear system III-6 2.3.3 Power transmission for four operation modes III-7 2.3.4 Power transmission route III-14 2.4 Sensors and Actuators III-16 3. CONTROL ELECTRONICS III-19 3.1 Configuration...III-19 3.2 Main PCB ...III-20 3.3 NCU PCB ...III-22 3.4 Control Panel PCB III-24 3.5 Power Supply PCB III-25
CONTENTS
1.
OVERVIEW
...............................................................................................................
III
-1
2.
MECHANISMS
..........................................................................................................
III
-2
2.1
Transmitting Mechanism (Feeding and scanning documents)
.........................
III
-2
2.1.1
Automatic document feeder (ADF)
...........................................................
III
-2
2.1.2
Scanner
.....................................................................................................
III
-3
2.2
Receiving Mechanism (Feeding paper and printing data)
.................................
III
-4
2.3
Power Transmission Mechanism
......................................................................
III
-5
2.3.1
Structure of the gear train
.........................................................................
III
-5
2.3.2
Description of planetary gear system
........................................................
III
-6
2.3.3
Power transmission for four operation modes
..........................................
III
-7
2.3.4
Power transmission route
..........................................................................
III
-14
2.4
Sensors and Actuators
......................................................................................
III
-16
3.
CONTROL ELECTRONICS
......................................................................................
III
-19
3.1
Configuration
.....................................................................................................
III
-19
3.2
Main PCB
..........................................................................................................
III
-20
3.3
NCU PCB
..........................................................................................................
III
-22
3.4
Control Panel PCB
............................................................................................
III
-24
3.5
Power Supply PCB
............................................................................................
III
-25