Ricoh V-C3 D081, Field Service Manual

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No. Component Function
SOL 17
Charge Cleaning Solenoid:
C
Raises and lowers the C charge roller cleaning roller.
SOL 18
Charge Cleaning Solenoid:
M
Raises and lowers the M charge roller cleaning roller.
SOL 19 Duplex Inverter Solenoid Operates the duplex inverter junction gate.
SWITCHES
No. Component Function
SW1 Lower Front Door Switch Detects whether the front door is open or closed.
SW2 Main Power Switch Switches the machine off and on.
SW3
Upper Front Door Switches
(x5)
Detect whether the front door is open or closed.
SW4 Paper Size Switch: Tray 2
The switch detects the position of the dial (set manually), and
signals the paper size with a simple 5–digit binary code.
SW5 Paper Size Switch: Tray 3
The switch detects the position of the dial (set manually), and
signals the paper size with a simple 5–digit binary code.
SW6 Interlock Switches
Mounted at the upper left corner of the front door, detect when
the door is opened and closed.
THERMISTORS
No. Component Function
TH1 Heating Roller Thermistor
Monitors the end of the heating roller and breaks the circuit to
the heating lamps if a lamp overheats.
TH2 Hot Roller Thermistor
Detects and monitors the temperature of the hot roller for fusing
temperature control.
TH3 Pressure Roller Thermistor
Detects the temperature of the hot roller for fusing temperature
control.
TH4
Heating Roller Center
Thermistor
A non-contact thermistor that monitors the surface temperature
of the heating roller center and breaks the circuits to the fusing
lamps if the heating roller overheats.
Specifications
49
1