Ricoh JP5800 Service Manual page 30

ELECTRICAL COMPONENT LAYOUT
Index No.
83 Master Feed Motor
84 Master Vacuum Fans
87 Ink Pump Motor
89 Idling Roller Motor
91 Drum Shift Motor
105 Right Tray Lift Motor
107 Tray Registration Motor
109 Tray Feed Motor
116 Back Plate Drive Motor
118 Tray 2 Lift Motor
122 Left Tray Lift Motor
144 Side Plate Drive Motor
148 End Plate Drive Motor
Sensors
Index No.
12 Original Width Sensor
13 Scanner HP Sensor
15 Platen Cover Sensor
16 Original Length Sensor
18 Master Making Unit Set
Sensor
24 Paper Table Lower
Limit Sensor
27 Paper Table Length
Sensor
28 Paper Table Set Sensor Detects if the paper table is open or closed.
29 Paper Table End
Sensor
30 Paper Table Height
Sensor
31 Paper Registration
Sensor
32 Paper Feed Timing
Sensor
Pressure Plate HP
38
Sensor
39 Pressure Plate Limit
Position Sensor
41 Image Shift HP Sensor
Name
Feeds the master to the drum.
Provide suction to guide the master into the
buffer duct.
Drives the ink pump to supply ink.
Presses or releases the idling roller against the
drum screen.
Slides the drum screen position to the front or
rear for the side-to-side image shifting mode.
Raises the bottom plate in tray 1 (right side).
Drives the tray registration rollers.
Feeds the paper out of the paper tray unit.
Drives the back plate in tray 1.
Raises the bottom plate in tray 2.
Raises the bottom plate in the left side of tray 1.
Drives the side plate to a position suitable for the
paper size.
Drives the end plate to a position suitable for the
paper size.
Name
Detects the width of the original on the exposure
glass.
Detects when the scanner is at home position.
Detects if the platen cover is open or closed.
Detects the length of the original on the
exposure glass.
Checks if the master making unit is set.
Detects when the paper table is at its lower limit
position.
Detects when there is long paper on the paper
table.
Detects if paper is present on the paper table.
Detects if the top of the paper stack on the
paper table is at the paper feed height.
Detects paper approaching the registration
roller.
Detects paper approaching the paper clamper
on the pressure cylinder.
Detects when the pressure plate is at the home
position.
Detects when the pressure plate is at the lowest
position.
Detects if the pressure cylinder is at the home
position. (The up/down image shift is 0.)
Function
Function
1-24
1 March, 2000