Ricoh D699, Field Service Manual

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S6 Tray Lift Sensor Detects the amount of paper in the lower tray. 19
S7 Relay Sensor Detects misfeeds. 11
S8 Paper Size Sensor Determines what paper size is in the upper tray. 1
S9 Paper Size Sensor Determines what paper size is in the upper tray. 2
S10 Paper Size Sensor Determines what paper size is in the upper tray. 3
S11 Paper Size Sensor Determines what paper size is in the lower tray. 24
S12 Paper Size Sensor Determines what paper size is in the lower tray. 23
S13 Paper Size Sensor Determines what paper size is in the lower tray. 22
Switches
SW1 Right Door Switch Detects whether the right door is opened or not. 8
SW2 Tray Set Switch Detects whether the upper tray is opened or not. 5
SW3 Tray Set Switch Detects whether the lower tray is opened or not. 20
Magnetic Clutches
MC1 Paper Feed Clutch Starts paper feed from the upper tray. 6
MC2 Paper Feed Clutch Starts paper feed from the lower tray. 17
MC3 Relay Clutch Drives the relay rollers. 7
PCBs
PCB1 Main Board
Controls the paper tray unit and communicates with
the copier/printer.
15
Others
H1
Optional Tray
Heater
Removes humidity from the paper in the trays. 13
3. Detailed Section Descriptions
18