Ricoh FT5535 Service Manual page 19

Rev. 7/95
Index
Symbol
No.
S23 43
S24 23
S25 13
S26 44
S27 19
S28 56
S29 57
S30 62
S31 59
S32 64
S33 22
Switches
SW1 33
SW2 36
SW3 35
SW4 104
SW5 25
SW6 34
SW7 32
SW8 105
SW9 103
SW10 42
SW11 41
SW12 48
FT5535/4527/4522
Description
Auto Response (Not Returns the operation panel display and exits
used on A161/A162 from the energy saver mode.
copiers
Transfer Belt Contact Informs the CPU of the current position of both
HP the transfer belt unit and the drum charge roller
unit.
Auto Image Density Detects the background density of each
(ADS Sensor) original in ADS mode.
Original Width Detects the width of the original. This is one of
the APS (Auto Paper Select) sensors.
Original Length-1 Detects the length of the original. This is one of
the APS (Auto Paper Select) sensors.
Duplex Paper End Detects paper in the duplex tray.
(Duplex machines only)
Duplex Turn Detects the trailing edge of the copy paper to
(Duplex machines only) determine the jogging timing, and detects
misfeeds.
Duplex Entrance Detects misfeeds.
(Duplex machines only)
Side Fence Jogger HP Detects the home position of the duplex side
(Duplex machines only) fence jogger.
End Fence Jogger HP Detects the home position of the duplex end
(Duplex machines only) fence jogger.
Original Length Detects original length for 11" x 15" paper.
(Option for N.
American models)
By-pass Feed Table Detects whether the by-pass feed table is open
or closed.
Upper Tray Detects whether the upper paper tray is in
(Non-duplex machines place or not.
only)
Lower Tray Detects whether the lower paper tray is in
place or not.
Tray Down Sends a signal to the CPU to lower the LCT
(LCT machines only) bottom plate.
Upper Tray Paper Size Determines what size of paper is in the upper
(Non-duplex machines paper tray.
only)
Lower Tray Paper Size Determines what size of paper is in the lower
paper tray.
Vertical Guide Set Detects whether the vertical guide is open or
(Non-LCT machines not.
only)
LCT Cover-1 Detects whether the LCT cover is open or not.
(LCT machines only)
LCT Cover-2 Cuts the dc power line of the LCT lift motor.
(LCT machines only)
Main Supplies power to the copier.
Front Cover Safety Detects whether the front door is open and via
relays cuts the ac power.
Exit Cover Safety Detects whether the exit cover is open or not.
(A157/A160 machines only)
2-10
Note
FSM