Service manual

Epson AcuLaser CX-11N/AcuLaser CX-11NF Field Repair Guide 9/9/05
Printer Component, Software Item, LCD Display, Printer Button Page 32.
Fuser Exit Sensor (Must replace Fuser Assembly PPL Ref # 10-01-01)
Detects that paper has been ejected from the Fuser. (No paper state = shielding the sensor)
Fuser In Sensor (PPL Ref # 06-01-03)
Detects that paper has come to just before the fusing section.
Humidity & Temperature Sensor (PPL Ref # 12-01-06)
Detects the humidity and temperature inside the printer and converts these to voltage values. These voltage values
are used for controlling toner density
IBT Retract Sensor (PPL Ref # 06-01-26)
Detects the position of the cam for retracting the Belt Cleaner.
OHP Sensor (PPL Ref # 05-02-16)
Detects whether the print media is plain paper or transparencies. If the light emitted from the LED of the sensor is
reflected by the media, the sensor judges that the media is plain paper.
Paper Empty Sensor (PPL Ref # 04-01-24)
Detects the presence of paper. When the printer runs out paper, the actuator of the sensor comes down by its own
weight, shields the sensor, and a no paper state is detected. (No paper state = shielding the sensor)
Registration Sensor (PPL Ref # 05-02-19)
Detects that the leading edge of the paper has reached the Regi Assy. (No paper state = light enters the sensor)
Rotary Home Position Sensor (PPL Ref # 09-01-18)
Detects the position of the Rotary Developer to keep the Developer in the correct position. The home position is
about 10 degrees CW from the transfer position of the Black Toner Developer.
TR-0 Sensor (PPL Ref # 07-01-02)
Detects the Belt position by reading the silver label on the Belt surface outside of the toner image formation area.
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