Overview
SM 1-7 C279
Information
Sensors
No. Component Function
1 Scanner HP Sensor
Detects when the image sensor is at home
position.
3 Platen Cover Sensor
Detects whether the platen cover is open or
closed.
4 Original length sensor 1, 2
Detect the length of the original on the exposure
glass.
13 Master Set Cover Sensor Checks if the master set cover is properly set.
14 Master End Sensor
Detects when the master making unit runs out of
master roll.
17 Paper Height Sensor
Detects when the paper table reaches the paper
feed position.
19 Paper Length Sensor Detects when long paper is on the paper table.
20 Paper End Sensor Detects when the paper table runs out of paper.
21 Registration Sensor Detects paper approaching the registration roller.
26 2nd drum master sensor Detects if there is a master on the drum.
29 Printing pressure HP sensor
Detects when the printing pressure is at the home
position.
39 Front Door Switching Sensor Detects if the Front Cover is in the closed position.
41 Master Eject Sensor Detects used master misfeeds.
42 Drum Master Sensor Detects if there is a master on the drum.
43 Pressure Plate HP Sensor
Detects when the pressure plate is at the home
position.
44 Pressure Plate Limit Sensor
Detects when the pressure plate is in the lowest
position.
49 Paper Exit Sensor Detects paper misfeeds at the exit.
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