Image Transfer and Paper Separation
SM 6-45 G133
Detailed
Descriptions
belt never moves away from the color drums when a black-and-white page appears in a
color print job.
If a power failure occurs when the image transfer belt is in contact with the drums,
the belt stays in this position. If you want to remove the image transfer belt unit
while the power is still off, you must release the belt. To do this, swing out the
controller box. Then turn the drive gear [B] manually.
Transfer Belt Sensor
The ITB contact sensor [D] operates as the detection sensor during machine initialization,
and also as the position sensor during machine operations.
Before machine initialization, the left side of the image transfer belt is in the home position.
When initialization starts, the ITB contact motor lowers the left side until the actuator has
passed the sensor. Then ITB contact motor lifts up the left side to its home position. This
action actuates the sensor in a certain pattern.
The table lists the sensor actuation patterns.
Machine status Sensor pattern
Initialization
On
Off On Off On
Standby (Default) On
B/W printing On
Operation
Color Printing Off
On: The actuator is out of the sensor.
Off: The actuator is interrupting the sensor.
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