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Epson AcuLaser CX11

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  • Code: E524
  • Description: Low Density
    - The output value of SENSOR ASSY ADC (ADC Sensor) is below the specified value.
  • Causes: • Photoconductor Unit • SENSOR ASSY ADC • Toner Cartridge K • Toner Cartridge Y • Toner Cartridge M • Toner Cartridge C • HARNESS ASSY ADC • SENSOR HUM & TEMP • HARNESS ASSY MAIN • ROS ASSY • PWBA MCU • LV/HVPS
  • Remedy: 1 Check of connection between Photoconductor Unit and CONDUCTOR attached to frame Is the contact surface of Photoconductor Unit and CONDUCTOR attached to the frame deformed or are there foreign objects on the surface? Clean, and go to Step [2]. Go to Step [2]. 2 Check of dirt and foreign bodies on surface of SENSOR ASSY ADC Are there any dirt or foreign bodies on the SENSOR ASSY ADC surface? Clean, and go to Step [3]. Go to Step [4]. 3 Does the error recur when the power is turned ON? Go to Step [4]. End of procedure 4 Check after replacement of Toner Cartridge Replace Toner Cartridge of each color. Does the error recur when the power is turned ON? Go to Step [5]. End of procedure 5 Check after replacement of Photoconductor Unit Replace Photoconductor Unit. Does the error recur when the power is turned ON? Go to Step [6]. End of procedure 6 5 VDC and 24 VDC power supply check to SENSOR ASSY ADC The voltage of P422-2 . P422-4 on PWBA MCU is 24 VDC? And the voltage of P422-8 . P422-4 is 5 VDC? Go to Step [7]. Go to Step [14]. 7 Continuity check of HARNESS ASSY ADC Disconnect P/J422 from PWBA MCU. Do all of the wiring below have normal continuity? J422-8 . J431-1 J422-4 . J431-5 J422-2 . J431-7 Go to Step [8]. Replace HARNESS ASSY ADC. 8 Check after replacement of SENSOR ASSY ADC Replace SENSOR ASSY ADC. Does the error recur when the power is turned ON? Go to Step [9]. End of procedure 9 5 VDC power supply check to SENSOR HUM & TEMP The voltage of P413-4 . P413-2 on PWBA MCU is 5 VDC? Go to Step [10]. Go to Step [14]. 10 Continuity check of HARNESS ASSY MAIN Disconnect P/J413 from PWBA MCU. Do all of the wiring below have normal continuity? J413-1 . J104-4 J413-2 . J104-3 J413-3 . J104-2 J413-4 . J104-1 Go to Step [11]. Repair broken or shorted part.
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