Phaser 7500 Printer Service Manual 2-37
Theory of Operation
Secondary Transfer
2nd BTR Assembly (PL14.2.1)
The 2nd BTR Assembly contacts the paper on the backside of the paper and
transfers the toner image that was formed on the belt onto the paper.
2nd BTR Contact Retract Sensor (PL14.4.7)
The 2nd BTR Contact Retract Sensor detects the position of the 2nd BTR (whether
or not it is in contact with the belt).
In contact with belt: Sensor blocked
s7500-372
POB Sensor
2nd BTR Assembly
2nd BTR Contact Retract Sensor
2nd BTR Contact
Retract Motor
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