Ricoh A229 - Page 46

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