Service manual

ELECTRICAL COMPONENT LAYOUT March 2006
6-4
Index No. Name Function
28 Main Switch Turns the power on or off.
Sensors
Index No. Name Function
2 Master Set Cover
Sensor
Checks if the master set cover is set.
3 Master End Sensor Informs the CPU when the master making unit
runs out of master roll.
6 Paper Height Sensor 1 Detects when the paper table reaches the paper
feed position.
7 Paper Height Sensor 2 Detects when the paper table reaches the paper
feed position.
8 Paper End Sensor Informs the CPU when the paper table runs out of
paper.
10 Paper Registration
Sensor
Detects paper approaching the registration roller.
24 Scanner Home Position
Sensor
Detects when the image sensor is at home
position.
25 Platen Cover Sensor Detects whether the platen cover is open or
closed.
26 Master Eject Sensor Detects used master misfeeds.
27 Drum Master Sensor Detects if there is a master on the drum
31 Paper Exit Sensor Detects paper misfeeds at the exit.
33 Pressure Plate Limit
Sensor
Detects if the pressure plate is in the lowest
position.
35 2nd Feed start Timing
Sensor
Determines the paper misfeed check timing at the
paper registration area.
37 Clamper Open Sensor Detects if the clamper is in the open position.
39 Clamper Close Sensor Detects if the clamper is in the closed position.
42 Paper Table Lower Limit
Sensor
Detects when the paper table is at its lower limit
position.
46 Feed Start Timing
Sensor
Determines the paper feed start timing.
47 Master Eject Position
Sensor
Detects when the drum is at the master eject
position (this is the home position)
49 Pressure Plate Home
Position Sensor
Detects if the pressure plate is at the home
position.
50 Eject Box Set Sensor Checks if the master eject box is set.
Others
Index No. Name Function
5 Thermal Head Burns the image onto the master.
20 Xenon Lamp Applies light to the original for exposure.
44 Paper Feed Clutch Transmits main motor drive to the paper feed roller
at the appropriate time.