Ricoh JP5800 Service Manual page 32

ELECTRICAL COMPONENT LAYOUT
Index No.
90 Drum Shift Sensor
92 Ink Pump Sensor
95 Ink Cartridge Set
Sensor
96 Idling Roller HP Sensor
rd
98 3 Relay Sensor
99 Relay Guide Set
Sensor
nd
100 2 Relay Sensor
112 Tray Registration
Sensor
113 Tray 2 Upper Limit
Sensor
st
114 1 Relay Sensor
115 Right Tray Upper Limit
Sensor
117 Return Position Sensor
119 Left Tray Upper Limit
Sensor
120 Back Plate Home
Position Sensor
124 Tray 1 Paper Volume
Sensor
Right Tray Lower Limit
125
Sensor
127 Tray 1 Paper End
Sensor
128 Tray 2 Paper Volume
Sensor
129 Tray 2 Lower Limit
Sensor
130 Rear Tray 2 Paper
Width Sensor
132 Tray 2 Paper End
Sensor
133 Front Tray 2 Paper
Width Sensor
134 Tray 2 Paper Length
Sensor
135 Front Right Tray Paper
Width Sensor
Name
Sends the image position data to the CPU for
display on the operation panel.
Monitors the operation of the ink pump to count
how many cycles it has moved.
Detects if the ink cartridge is in place.
Detects when the idling roller is at home
position.
Detects misfeeds.
Detects whether the relay guide plate is closed.
Detects misfeeds.
Detects misfeeds and controls the tray
registration roller on-off timing.
Detects when the paper in tray 2 is at the correct
height for paper feed.
Detects misfeeds and controls the 2nd relay
roller on-off timing.
Detects when the paper in the right side of tray 1
is at the correct height for paper feed.
Informs when the back plate in tray 1 is in the
return position.
Detects when the left tray lift motor has lifted the
paper to the correct paper feed height. This is
only used if tray 1 contains paper larger than
A4/LT (when tray 1 is not being used as a
tandem feed tray).
Detects when the back plate in tray 1 is at the
home position.
Informs the amount of paper inside tray 1.
Detects when the bottom plate in the right side
of tray 1 is at its lower limit position.
Informs when tray 1 runs out of paper.
Informs the amount of paper inside tray 2.
Detects when the bottom plate in tray 2 is at its
lower limit position.
Detects paper width in tray 2.
Informs when tray 2 runs out of paper.
Detects paper width in tray 2.
Detects when there is long paper in tray 2.
Detects paper width in the right side of tray 1.
Function
1-26
1 March, 2000