Ricoh A229 Service Manual page 46

ELECTRICAL COMPONENT DESCRIPTION
Symbol
SW9 Paper Size
SW10 3rd Tray Down
SW11 By-pass Tray
Solenoids
SOL1 Transfer Belt Lift
SOL2 1st Pick-up
SOL3 2nd Pick-up
SOL4 3rd Pick-up
SOL5 By-pass Pick-up
SOL6 1st Separation Roller
SOL7 2nd Separation Roller
SOL8 3rd Separation Roller
SOL9 Tandem Lock
SOL10 Duplex Junction Gate
SOL11 Reverse Roller
SOL12 Guide Plate
SOL13 Duplex Exit Junction
Gate
Sensors
S1 Scanner HP
S2 Original Width
S3 Original Length 1
S4 Original Length 2
S5 LD Unit Home
Position
S6 Drum Potential
A229
Name
Determines the size of paper in tray 2.
Lowers the tray 3 (LCT) bottom plate
Detects if the by-pass tray is open or
closed.
Controls the up-down movement of
the transfer belt unit.
Controls the up-down movement of
the pick-up roller in tray 1.
Controls the up-down movement of
the pick-up roller in tray 2.
Controls the up-down movement of
the pick-up roller in tray 3.
Controls the up-down movement of
the pick-up roller for by-pass feed.
Controls the up-down movement of
the separation roller in tray 1.
Controls the up-down movement of
the separation roller in tray 2.
Controls the up-down movement of
the separation roller in tray 3.
Releases the left tandem feed tray so
that it can be separated from the right
tandem feed tray.
Moves the junction gate to direct
copies to the duplex tray or to the
paper exit.
Controls the up-down movement of
the reverse trigger roller.
Opens the guide plate when a paper
misfeed occurs around this area.
Opens the inverter gate during a
duplex job.
Informs the CPU when the 1st and
2nd scanners are at home position.
Detects original width. This is one of
APS (Auto Paper Select) sensors.
Detects original length. This is one of
APS (Auto Paper Select) sensors.
Detects original length. This is one of
APS (Auto Paper Select) sensors.
Informs the CPU when the LD unit is
at home position.
Detects the drum surface potential.
Function
1-16
Rev. 6/3/99
Index
No.
3
136
97
92
111
117
121
98
114
118
122
4
82
81
102
96
35
36
18
20
28
88
SM