Ricoh FT7770 Service Manual page 8

ELECTRICAL DATA
SECTION 6:
MAIN BAORD SCHEMATIC 1
MAIN BAORD SCHEMATIC 2
MAIN BAORD SCHEMATIC 3
DC DRIVE BOARD SCHEMATIC
SCANNER MOTOR CONTROL BOARD SCHEMATIC
MAIN MOTOR CONTROL BOARD SCHEMATIC
LENS/MIRROR MOTOR CONTROL BOARD SCHEMATIC
POWER SUPPLY UNIT BLOCK DIAGRAM
AC DRIVE BOARD SCHEMATIC
OPERATION PANEL-CPU BOARD SCHEMATIC
DOCUMENT FEEDER
SECTION 7:
SPECIFICATIONS
MECHANICAL COMPONENT LAYOUT
ELECTRICAL COMPONENT LAYOUT
ELECTRICAL COMPONENT DESCRIPTIONS
BASIC OPERATION
1.
2.
3.
FEED-IN UNIT
1.
2.
3.
4.
5.
TRANSPORT AND INVERSION UNIT
1.
2.
3.
4.
5.
COMPUTER FORM FEED
Single-Sided Original Feed
Two-Sided Original Feed
Computer From Feed
Original Feed-in
Drive Mechanism
Pressure Mylar Release
Separation of Originals
Relay Roller Pressure Release
O r i g i n a l T r a n s p o r t
Transport Belt Drive Mechanism
Original Inversion and Feed-out
Inversion and Feed-out Drive Mechanism
Lift Mechanism
6-1
6-2
6-3
6-4
6-5
6-6
6-6
6-7
6-9
6-10
7-1
7-2
7-3
7-4
7-5
7-7
7-9
7-10
7-12
7-14
7-15
7-16
7-17
7-18
7-19
7-20
7-22
7-23