Ricoh FT6645 Manual page 20

23 April 1993
Symbol
S 4 Lens Vertical HP
S 5 Lens Horizontal HP
S 6 3rd Scanner HP
S 7 By-Pass Paper End
S 8 Guide Plate Position
S 9 Jogger HP
S10 Vertical Transport
S11 Duplex Exit
S12 Duplex Entrance
Sensor
S13 Duplex Paper End
S14 Duplex Transport
S15 Exit
S16 Fusing Exit
S17 Paper Guide
S18 Auto Image Density
S19 Original Length–1
S20 Original Length–2
S21 Original Width
Name
Informs the CPU that the lens is
at the full-size position.
Informs the CPU that the lens is
at the horizontal home position.
Informs the CPU when the 3rd
scanner is at the home position.
Informs the CPU that there is no
paper in the by-pass feed table.
Informs the CPU if the
registration guide plate is closed
or not.
Detects if the duplex jogger
fences are at the home position
or not.
Detects the leading edge of the
paper to determine the paper
feed timing of the next sheet.
Detects the leading edge of the
paper to determine the duplex
transport clutch on timing.
Detects the leading edge of the
paper to determine the duplex
feed clutch off timing.
Detects paper in the duplex tray.
Detects the leading edge of the
paper to control the jogger motor
and the positioning solenoid on
timing.
Detects misfeeds.
Detects misfeeds.
Detects misfeeds.
Senses the background density
of the original.
Detects original length.
Detects original length.
Detects original width.
ELECTRICAL COMPONENT DESCRIPTION
Function
1-19
Index
No.
4
5
6
7
8
9
10
11
12
13
14
15
16
17
20
21
22
23