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Epson AcuLaser CX21

Error Codes List page 4

  • Code: E527
  • Description: Deve Home Position Sensor Error
    - PWBA MCU could not receive signals output from Rotary Home Position Sensor within the specified time after rotation of Rotary 45 Developer.
  • Causes: • MOTOR ASSY MAG • SENSOR ROTARY HOME POSI • HARNESS ASSY MAIN • PWBA MCU
  • Remedy: 1 Check of FRAME ASSY-ROTARY and MOTOR ASSY MAG attachment Are FRAME ASSY-ROTARY and MOTOR ASSY MAG attached correctly? Go to Step [2]. Re-attach, and go to step [2]. 2 Rotation check of FRAME ASSYROTARY and MOTOR ASSY MAG Do FRAME ASSY-ROTARY and MOTOR ASSY MAG rotate smoothly? Turn by hand to check. Go to Step [3]. Remove any items that hinder rotation. 3 Check of SENSOR ROTARY HOME POSI attachment Is SENSOR ROTARY HOME POSI attached correctly? Go to Step [4]. Re-attach, and go to step [4]. 4 Operation check of SENSOR ROTARY HOME POSI The voltage of P413-7 . P413-6 on PWBA MCU is 0 VDC when FRAME ASSY ROTARY enters the sensing area, and is 5 VDC when it leaves the sensing area? Replace PWBA MCU. Go to Step [5]. 5 5 VDC power supply check to SENSOR ROTARY HOME POSI The voltage of P413-5 . P413-6 on PWBA MCU is 5 VDC? Go to Step [6]. Go to Step [7]. 6 Continuity check of HARNESS ASSY MAIN Disconnect P/J413 from PWBA MCU. Do all of the wiring below have normal continuity? J413-5 . J105-3 J413-6 . J105-2 J413-7 . J105-1 Replace SENSOR ROTARY HOME POSI. Repair broken or shorted part. 7 5 VDC power supply check to PWBA MCU The voltage of J410-3 . J410-4 on PWBA MCU is 5 VDC? Replace PWBA MCU. Go to Step [8]. 8 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.
  • Code: E530
  • Description: Humidity Sensor Error
    - When the Input from SENSOR HUM & TEMP is out of specification.
  • Causes: • HARNESS ASSY MAIN • SENSOR HUM & TEMP
  • Remedy: 1 Continuity check of HARNESS ASSY MAIN Disconnect P/J413 from PWBA MCU. Is the continuity normal between all terminals of J413 . J104? Go to Step [2]. Repair broken or shorted part. 2 Check after replacement of SENSOR HUM & TEMP Replace SENSOR HUM & TEMP. Does the error recur when the power is turned ON? Replace PWBA MCU. End of procedure
  • Code: E533
  • Description: Temp Sensor Error
    - SENSOR HUM & TEMP detected a temperature below -7°C or over 55°C.
  • Causes: • SENSOR HUM & TEMP • HARNESS ASSY MAIN
  • Remedy: 1 Temperature check of printer installation site Has the ambient temperature where the printer is installed fallen to -7‹C or below or reached or risen to 55‹C or more. Ask the customer to improve the installation environment for the printer. Go to Step [2]. 2 Check of SENSOR HUM & TEMP thermistor resistance value Disconnect P/J413 from PWBA MCU. The resistance value of P104-4 . P104-3 is 10k ƒ¶ } 1k ƒ¶ (approx. 20‹C)? Go to Step [3]. Replace SENSOR HUM & TEMP. 3 Continuity check of HARNESS ASSY MAIN Disconnect the P/J413 from PWBA MCU. Is the continuity normal between all terminals of J413 . J104? Replace PWBA MCU. Repair broken or shorted part.
  • Code: E537
  • Description: Fuser Fail
    - Control Thermistor detected a temperature exceeding the specified temperature. Safety Thermistor detected a temperature exceeding the specified temperature.
    - The Control Thermistor did not detect a Ready even though the specified time elapsed from Main Lamp ON at Warm Up.
    - The Main Lamp continues to stay lit even after time specified for the Main Lamp elapsed after the Control Thermistor detected a Ready.
    - The Control Thermistor detected a temperature below the specified temperature even after the specified time elapsed from Main Lamp ON at Warm Up.
    - The latch lever of FUSER ASSY is set incorrectly.
  • Causes: • FUSER ASSY • HARNESS ASSY MCU C/L • FFC-ASSY LV/MCU • HARNESS ASSY AC • PWBA FUSER CONT • LV/HVPS • HARNESS ASSY MAIN • PWBA MCU
  • Remedy: 1 Check of FUSER ASSY attachment Is the FUSER ASSY attached correctly to the printer? In particular, is the connector connected firmly to the printer? Is the connector latched normally? Go to Step [3]. Re-attach, and go to step [2]. 2 Does the error recur when the power is turned ON? Go to Step [3]. End of procedure 3 Check after replacement of the FUSER ASSY Replace FUSER ASSY. Does the error recur when the power is turned ON? Go to Step [4]. End of procedure 4 Continuity check of HARNESS ASSY MCU C/L Allow FUSER ASSY to cool down before performing work. Remove FUSER ASSY. Is the continuity normal between all terminals of J614A . J417 and J614 . J3? Go to Step [5]. Replace HARNESS ASSY MCU C/L. 5 Continuity check of FFC-ASSY LV/MCU Disconnect P/J401 from PWBA MCU and P/ J500 from LV/HVPS. Do all of the wiring below have normal continuity? P401-21 . J500-2 P401-22 . J500-1 Go to Step [6]. Replace FFCASSY LV/MCU. 6 Continuity check of HARNESS ASSY AC Disconnect P/J503 from LV/HVPS and P/J2 from PWBA FUSER CONT. Do all of the wiring below have normal continuity? J503-5 . J2-5 J503-6 . J2-6 Go to Step [7]. Replace HARNESS ASSY AC. 7 Check after replacement of PWBA FUSER CONT Replace PWBA FUSER CONT. Does the error occur when the power is turned ON? Go to Step [8]. End of procedure 8 Check after replacement of LV/HVPS Replace LV/HVPS. Does the error occur when the power is turned ON? Go to Step [9]. End of procedure 9 Continuity check of HARNESS ASSY MAIN Disconnect P/J1 from PWBA FUSER CONT and P/J410 from PWBA MCU. Do all of the wiring below have normal continuity? P/J1-1 . P/J410-10 P/J1-3 . P/J410-9 Replace PWBA MCU. Replace HARNESS ASSY MAIN.
  • Code: E542
  • Description: IBT CLN Fail
    - SENSOR IBT RETRACT cannot detect Advance/Retract of CAM ASSY-IBT CL.
  • Causes: • DRIVE ASSY PRO • SENSOR IBT RETRACT • HARNESS ASSY MAIN • PWBA MCU
  • Remedy: 1 Check of connection of DRIVE ASSY PRO (IBT Cleaner Retract Motor) Is connector P/J414 connected firmly to PWBA MCU? Go to Step [2]. Re-connect the connector. 2 24 VDC power supply check to DRIVE ASSY PRO (IBT Cleaner Retract Motor) The voltage of P414-3 . P414-2 on PWBA MCU 2 is 4 VDC? Go to Step [3]. Go to Step [8]. 3 Check after replacement of DRIVE ASSY PRO Replace DRIVE ASSY PRO. Does the error recur when a test print is made? Go to Step [4]. End of procedure 4 5 VDC power supply check to SENSOR IBT RETRACT The voltage of P415-3 . P415-4 on PWBA MCU is 5 VDC? Go to Step [5]. Go to Step [8]. 5 Continuity check of HARNESS ASSY MAIN Disconnect P/J415 from PWBA MCU. Do all of the wiring below have normal continuity? J415-3 . J107-3 J415-4 . J107-2 J415-5 . J107-1 Go to Step [6]. Replace HARNESS ASSY MAIN. 6 Check after replacement of SENSOR IBT RETRACT Replace SENSOR IBT RETRACT. Does the error recur when a test print is made? Go to Step [7]. End of procedure 7 Check after replacement of PWBA MCU Replace PWBA MCU. Does the error recur when a test print is made? Go to Step [9]. End of procedure 8 Power supply check to PWBA MCU Are each of the power voltages being supplied to the following terminals on PWBA MCU from LV/HVPS? P410-1 . P410-2: 3. 3 VDC P410-3 . P410-4: 5 VDC P410-5/6 . P410-7/8: 24 VDC Replace PWBA MCU. Go to Step [9]. 9 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? J410-1 . J502-1 J410-2 . J502-2 J410-3 . J502-3 J410-4 . J502-4 J410-5 . J502-5 J410-6 . J502-6 J410-7 . J502-7 J410-8 . J502-8 Replace LV/ HVPS. Repair broken or shorted part.
  • Code: E546
  • Description: Duplex Motor Failure
    - The MOTOR ASSY DUP (Lower Roll Motor) or MOTOR ASSY DUP INV (Upper Roll Motor) of Duplex is not rotating at the 57 specified speed.
  • Causes: • MOTOR ASSY DUP • MOTOR ASSY DUP INV • HARNESS ASSY MAIN • HARNESS-ASSY DUP2 • PWBA MCU • LV/HVPS • HARNESS-ASSY DUP1 • PWBA DUP-L
  • Remedy: 1 Check of MOTOR ASSY DUP (DUP Lower Motor) and MOTOR ASSY DUP (DUP Upper Motor) attachment Are the Lower and Upper MOTOR ASSY DUP attached correctly? Go to Step [2]. Re-attach, and go to step [2]. 2 Check of load of transmission section of MOTOR driving force Do the Gears that transmit rotation of MOTOR rotate smoothly? Go to Step [3]. Replace parts that hinder rotation. 3 Continuity check of HARNESS ASSY MAIN Disconnect the P/J420 from PWBA MCU. Is the continuity normal between all terminals of J420 . J607 (connector on the printer to connect Duplex)? Go to Step [4]. Repair broken or shorted part. 4 Continuity check of HARNESS-ASSY DUP2 Disconnect P/J443 from PWBA DUP-L. Is the continuity normal between all terminals of J443 . P607 (connector on Duplex to be connected to the printer)? Go to Step [5]. Replace HARNESSASSY DUP2. 5 24 VDC power supply check to MOTOR ASSY DUP (DUP Lower Motor) The voltage of both P442-1 . Frame Chassis and P442-2 . Frame Chassis on PWBA DUP-L are 24 VDC? Go to Step [6]. Go to Step [13]. 6 24 VDC power supply check to MOTOR ASSY DUP INV (DUP Upper Motor) The voltage of both J612-6 . Frame Chassis and P612-5 . Frame Chassis on PWBA DUP-L are 24 VDC? Go to Step [7]. Go to Step [12]. 7 Check after replacement of PWBA DUP-L Replace PWBA DUP-L. Does the error recur when the power is turned ON? Go to Step [8]. End of procedure 8 Check after replacement of MOTOR ASSY DUP (DUP Lower Motor) Replace MOTOR ASSY DUP. Does the error recur when the power is turned ON? Go to Step [9]. End of procedure 9 Check after replacement of MOTOR ASSY DUP INV (DUP Upper Motor) Replace MOTOR ASSY DUP. Does the error recur when the power is turned ON? Go to Step [10]. End of procedure 10 Power supply check to PWBA MCU Is the specified DC voltage being supplied to the following terminals on PWBA MCU? P410-1 . P410-2: 3. 3 VDC P410-3 . P410-4: 5 VDC P410-5/6 . P410-7/8: 24 VDC Replace PWBA MCU. Go to Step [11].
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