EPSON Stylus Pro 10000/10000CF Revision B
Operating Principles Printer Mechanism Components 75
The explanation of the sensor that is used in paper feed department is as follows.
o P_FRONT sensor
Using the reflective optical sensor, it is attached to the paper guide L1 back. This
sensor detects the top of paper..
o P_REAR sensor
Using the reflective optical sensor, it is attached to the H top cover back. The sensor
detects end of paper.
o P_THICK sensor
Using the photo-interrupter, it isattached to the H top cover right side. The sensor lever
has a pressure/subordinate roller assembly. When paper loading, the lever position is
changed according to the paper thickness. Then the sensor detects the paper thickness.
NOTE: 0.6-0.7mm form thickness uncertain which detection they become.
P_FRONT sensor
P_REAR sensor
Table 2-5. Paper thick detection
Form kind Paper thickness Sensor output Output voltage
Thin paper 0.6mm or less ON 0.7V or more
Thick paper 0.7mm or more OFF 2.4V or more
P_THICK sensor
Sensor lever
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