Ricoh JP5800 - Page 33

1 March, 2000 ELECTRICAL COMPONENT LAYOUT
1-27
Overall
Information
Index No. Name Function
136
Rear Right Tray Paper
Width Sensor
Detects paper width in the right side of tray 1.
137 Tandem Tray Sensor Informs whether tray 1 is a tandem tray or not.
138 Left Tray Paper Length
Sensor
Detects when there is long paper in tray 1. Also
detects whether there is a paper stack in the left
side of the tandem tray.
139
Front Left Tray Paper
Width Sensor
Detects paper width in the left side of tray 1.
140 Rear Left Tray Paper
Width Sensor
Detects paper width in the left side of tray 1.
141 Left Tray Lower Limit
Sensor
Detects when the bottom plate in the left side of
tray 1 is at its lower limit position.
142
Delivery Table Paper
Sensor
Detects whether there is paper on the paper
delivery table.
143 Side Plate Pulse
Generator Sensor
Checks the side plate position.
145 Side Plate Set Sensor Informs whether the side plate is up or down.
146 Side Plate Home
Position Sensor
Detects when the side plate is at the home
position.
147 End Plate Pulse
Generator Sensor
Checks the end plate position.
149 End Plate Set Sensor
Informs whether the end plate is in the up or
down position.
150 End Plate Home
Position Sensor
Detects when the end plate is at the home
position.
153 Drum Home Position
Sensor
Informs when the drum is at home position to
turn on the green LED.
154 Tray Feed Start Sensor
Checks the pressure cylinder position for the
paper feed start timing from the paper tray.
Others
Index No. Name Function
14 Xenon Lamp Applies light to the original for exposure.
20 Interface Connector Connects the machine to the PC controller.
34 Print and Master
Counters
Keeps track of the total number of prints and
masters.
76 Master Feed Clutch
Controls the master feed control roller operation
to feed the master.
79 Thermal Head Burns the image of the original onto the master.
93 Thermistor Detects the temperature inside the drum to
adjust various process.
94 Ink Detecting Pin Detects if ink is present in the drum.
108 Tray Exit Clutch Controls the tray registration rollers.
110 Tray Relay Clutch Controls the 2nd relay rollers.
111 Tray 2 Feed Clutch Controls the paper feed and pick-up rollers in
tray 2.
152 Drum Home Position
Indicator (LEDs)
LEDs that indicates the drum position.