Ricoh FT6645 Manual page 22

23 April 1993
Symbol
S40 3rd Paper Feed
S41 2nd Paper Feed
S42 Base Plate Down
(A096 copier only)
S43 Side Fence
Positioning
(A096 copier only)
S44 Rear Fence Return
(A096 copier only)
S45 Rear Fence HP
(A096 copier only)
S46 Left Tandem Paper
End
(A096 copier only)
S47 LCT Near End
(A096 copier only)
S48 Tray Down
(A096 copier only)
S49 Tray Paper Set
(A096 copier only)
PCBs
PCB 1 AC Drive
PCB 2 Main
PCB 3 Optic Control
PCB 4 High Voltage Control Controls the output of both power
Name
Controls the 3rd paper feed
clutch off/on timing and the 3rd
pick-up solenoid off timing.
Controls the 2nd paper feed
clutch off/on timing and the 2nd
pick-up solenoid off timing.
Detects when the bottom plate is
completely lowered to stop the
1st lift motor.
Informs the CPU when the
tandem tray side fences are open.
Informs the CPU when the
tandem tray rear fence is in the
return position.
Informs the CPU when the
tandem tray rear fence is in the
home position.
Informs the CPU when the left
tandem tray runs out of paper.
Detects the paper near end
condition.
Detects when the tray is
completely lowered to stop the
LCT motor.
Informs the CPU when the paper
is set on the LCT bottom tray.
Provides AC power to the
exposure lamp and fusing lamp.
Controls all machine functions.
Controls all optics components.
packs and development bias.
ELECTRICAL COMPONENT DESCRIPTION
Function
1-21
Index
No.
81
82
85
86
87
88
89
123
124
125
108
109
110
111