Ricoh D699 Field Service Manual page 20

3. Detailed Section Descriptions
S6 Tray Lift Sensor
S7 Relay Sensor
S8 Paper Size Sensor
S9 Paper Size Sensor
S10 Paper Size Sensor
S11 Paper Size Sensor
S12 Paper Size Sensor
S13 Paper Size Sensor
Switches
SW1 Right Door Switch
SW2 Tray Set Switch
SW3 Tray Set Switch
Magnetic Clutches
MC1 Paper Feed Clutch
MC2 Paper Feed Clutch
MC3 Relay Clutch
PCBs
PCB1 Main Board
Others
Optional Tray
H1
Heater
18
Detects the amount of paper in the lower tray.
Detects misfeeds.
Determines what paper size is in the upper tray.
Determines what paper size is in the upper tray.
Determines what paper size is in the upper tray.
Determines what paper size is in the lower tray.
Determines what paper size is in the lower tray.
Determines what paper size is in the lower tray.
Detects whether the right door is opened or not.
Detects whether the upper tray is opened or not.
Detects whether the lower tray is opened or not.
Starts paper feed from the upper tray.
Starts paper feed from the lower tray.
Drives the relay rollers.
Controls the paper tray unit and communicates with
the copier/printer.
Removes humidity from the paper in the trays.
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11
1
2
3
24
23
22
8
5
20
6
17
7
15
13