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Epson AcuLaser CX11

  • Code: E511
  • Description: TR0 Failure
    - PWBA MCU could not receive signals output from SENSOR TR-0 (TR0 Sensor) at the specified timing.
  • Causes: • Photoconductor Unit • SENSOR TR-0 • HARNESS-ASSY XERO • MOTOR ASSY P/R • HARNESS ASSY MAIN • PWBA MCU • LV/HVPS
  • Remedy: 1 Check of Photoconductor Unit attachment Re-attach Photoconductor Unit. Does the error recur when the power is turned ON? Go to Step [2]. End of procedure 2 Operation check of Photoconductor Unit Is the Drum of Photoconductor Unit rotating? Go to Step [3]. Go to Step [10]. 3 Check for dirt on silver seal on Belt in Photoconductor Unit Remove Photoconductor Unit. Turn gear of Photoconductor Unit until silver seal attached to Belt can be seen. Is silver seal dirty? Replace Photoconductor Unit. Go to Step [4]. 4 Check of SENSOR TR-0 (TR0 Sensor) attachment Remove Photoconductor Unit. Is SENSOR TR-0 attached securely? Go to Step [5]. Re-attach the SENSOR TR-0, and go to step [5]. 5 Check of dirt and foreign bodies on surface of SENSOR TR-0 Remove Photoconductor Unit. Are there any dirt or foreign bodies on the SENSOR TR-0 surface? Clean to remove any dirt or foreign bodies, and go to step [6]. Go to Step [7]. 6 Does the error recur when the power is turned ON? Go to Step [7]. End of procedure 7 Operation check of SENSOR TR-0 Remove Photoconductor Unit. The voltage of P416-2 . P416-3 on PWBA MCU is 5 VDC when silver paper or other reflective object comes close to the sensing area of SENSOR TR-0, and is 0 VDC when the object is released? Replace PWBA MCU. Go to Step [8]. 8 Check of 5 VDC power supply to SENSOR TR-0 The voltage of P416-1 . P416-3 on PWBA MCU is 5 VDC? Go to Step [9]. Go to Step [14]. 9 Continuity check of HARNESS-ASSY XERO Disconnect the P/J416 from PWBA MCU. Do all of the wiring below have normal continuity? J416-1 . J108-3 J416-2 . J108-2 J416-3 . J108-1 Replace SENSOR TR-0. Replace HARNESSASSY XERO. 10 Check after replacement of MOTOR ASSY P/R Replace MOTOR ASSY P/R. Does the error recur when the power is turned ON? Go to Step [11]. End of procedure 11 24 VDC power supply check to MOTOR ASSY P/R Disconnect P/J201 from MOTOR ASSY P/R. The voltage of J201-1 . J201-2 is 24 VDC? Go to Step [12]. Go to Step [13]. 12 Continuity check of HARNESS ASSY MAIN Disconnect the P/J403 from PWBA MCU. Is the continuity normal between all terminals of J403 . J200? Replace PWBA MCU. Repair broken or shorted part. 13 Continuity check of HARNESS ASSY MAIN Disconnect P/J502 from LV/HVPS. Do all of the wiring below have normal continuity? J502-9 . J201-1 J502-10 . J201-2 Replace LV/ HVPS. Repair broken or shorted part. 14 5 VDC power supply check to PWBA MCU The voltage of P410-3 . P410-4 on PWBA MCU is 5 VDC? Replace PWBA MCU. Go to Step [15]. 15 Continuity check of HARNESS ASSY MAIN Disconnect P/J410 from PWBA MCU and P/ J502 from LV/HVPS. Do all of the wiring below have normal continuity? J410-3 . J502-3 J410-4 . J502-4 Replace LV/ HVPS. Repair broken or shorted part.
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