[SOLVED] Quick fix Konica-Minolta 2490MF list error codes

[SOLVED] Quick fix Konica-Minolta 2490MF list error codes

– Compatible Printer model: Konica-Minolta Magicolor 2490MF
– Konica-Minolta Magicolor 2490MF Error Codes with quick guides:

• Code: 04H
• Description: Printer control board malfunction
  • Communications with the M/C expansion IO G/A (IC on the printer control board) are not properly carried out.
• Troubleshooting Guides: 1 Check the PRCB connector for proper connection and correct as necessary. 2 Change PRCB.

• Code: 05H
• Description: Flash ROM malfunction
  • Engine firmware upgrading has failed.
• Troubleshooting Guides: 1 Check the PRCB connector for proper connection and correct as necessary. 2 Change PRCB.

• Code: 08H
• Description: Main motor malfunction
  • The motor lock signal remains HIGH for a predetermined consecutive period of time while the main motor remains energized. • The motor lock signal remains LOW for a predetermined consecutive period of time while the main motor remains deenergized.
• Troubleshooting Guides: 1 Check the M1 connector for proper connection and correct as necessary. 2 Check M1 for proper drive coupling and correct as necessary. 3 Check the PRCB connector for proper connection and correct as necessary. 4 M1 operation check. PRCB PJ8PRCB-5 (REM) PRCB PJ8PRCB-8 (LOCK) C-4. 5 Change PRCB. 6 Change DCPU1.

• Code: 0BH
• Description: Ventilation fan motor malfunction
  • The fan motor lock signal remains HIGH for a predetermined consecutive period of time while the ventilation fan motor remains energized.
• Troubleshooting Guides: 1 Check the FM2 connector for proper connection and correct as necessary. 2 Check FM2 for proper drive coupling and correct as necessary. 3 Check the PRCB connector for proper connection and correct as necessary. 4 FM2 operation check. PRCB PJ10PRCB-1 (REM) PECB PJ10PRCB-3 (LOCK) C-4. 5 Change PRCB. 6 Change DCPU1.

• Code: 0CH
• Description: Power supply cooling fan motor malfunction
  • The fan motor lock signal remains HIGH for a predetermined consecutive period of time while the power supply cooling fan motor remains energized.
• Troubleshooting Guides: 1 Check the FM1 connector for proper connection and correct as necessary. 2 Check FM1 for proper drive coupling and correct as necessary. 3 Check the PRCB connector for proper connection and correct as necessary. 4 M1 operation check. PRCB PJ4PRCB-1 (REM) PRCB PJ4PRCB-3 (LOCK) C-2. 5 Change PRCB. 6 Change DCPU1.

• Code: 0FH
• Description: Duplex cooling fan motor malfunction
• Troubleshooting Guides:

• Code: 101H
• Description: Scanner motor malfunction
  • A low motor lock signal is not detected even after the lapse of a predetermined period of time after the scanner motor has been started. • The motor lock signal remains HIGH for a predetermined consecutive period of time while the scanner motor remains energized.
• Troubleshooting Guides: 1 Check to see if the lock lever of the Scanner unit is unlocked and unlock the lock lever if it is locked. 2 Check the M5 connector for proper connection and correct as necessary. 3 Check M5 for proper drive coupling and correct as necessary. 4 Check the PRCB connector for proper connection and correct as necessary. 5 M5 operation check. IPB J9IPB-1 to 4 (Pulse Output) L-10. 6 Change PRCB. 7 Change DCPU2. 8 Change DCPU1.

• Code: 102H
• Description: Faulty ir exposure lamp
  • The intensity of the light emitted from the exposure lamp of the scanner falls short of the specified value.
• Troubleshooting Guides: 1 Check the exposure lamp for lighting condition when the power switch is turned ON and, if any faulty symptom is evident, correct the Scanner Unit. 2 Check the PRCB connector for proper connection and correct as necessary. 3 Change scanner unit. 4 Change PRCB.

• Code: 10H
• Description: Polygon motor malfunction
  • A low motor lock signal is not detected even after the lapse of a predetermined period of time after the polygon motor has been started. • The motor lock signal remains HIGH for a predetermined consecutive period of time while the polygon motor remains energized.
• Troubleshooting Guides: 1 Check the cable and connector for proper connection and correct as necessary. 2 Change PH unit. 3 Change PRCB.

• Code: 12H
• Description: Laser malfunction
  • The SOS signal is not detected within a predetermined period of time after the output of a laser has been started. • The SOS signal is never detected in the image area.
• Troubleshooting Guides: 1 Check the cable and connector for proper connection and correct as necessary. 2 Change PH unit. 3 Change PRCB.

• Code: 14H
• Description: 2nd image transfer pressure /retraction failure
  • The state of the retraction position sensor/2nd image transfer is not changed from the unblocked to blocked state even after the lapse of a predetermined period of time during predrive. • The retraction position sensor/2nd image transfer is in the unblocked state even after the lapse of a predetermined period of time during predrive. • The retraction position sensor/2nd image transfer is not blocked (roller in the retracted position) within a predetermined period of time after the retraction sequence of the 2nd transfer roller has been started. • The retraction position sensor/2nd image transfer is not unblocked (roller in the pressed position) within a predetermined period of time after the pressure sequence of the 2nd transfer roller has been started.
• Troubleshooting Guides: 1 Check the M1 connector for proper connection and correct as necessary. 2 Check M1 for proper drive coupling and correct as necessary. 3 Check the SD4 connector for proper connection and correct as necessary. 4 Check the PRCB connector for proper connection and correct as necessary. 5 PS5 sensor check. PRCB PJ14PRCB-3 (ON) J to K-3. 6 SD4 operation check. PRCB PJ11PRCB-2 (REM) J to K-1. 7 M1 operation check. PRCB PJ8PRCB-5 (REM) PRCB PJ8PRCB-8 (LOCK) C-4. 8 Change PRCB.

• Code: 15H
• Description: Cleaning blade pressure /retraction failure
  • The state of the retraction position sensor/cleaning blade is not changed from the blocked to unblocked state even after the lapse of a predetermined period of time during predrive. • The retraction position sensor/cleaning blade is in the blocked state even after the lapse of a predetermined period of time during predrive. • The retraction position sensor/cleaning blade is not unblocked (blade in the retracted position) within a predetermined period of time after the retraction sequence of the cleaning blade has been started. • The retraction position sensor/cleaning blade is not blocked (blade in the pressed position) within a predetermined period of time after the pressure sequence of the cleaning blade has been started.
• Troubleshooting Guides: 1 Check the M1 connector for proper connection and correct as necessary. 2 Check M1 for proper drive coupling and correct as necessary. 3 Check the SD3 connector for proper connection and correct as necessary. 4 Check the PRCB connector for proper connection and correct as necessary. 5 PS6 sensor check. PRCB PJ9PRCB-11 (ON) C-5. 6 SD3 operation check. PRCB PJ10PRCB-5 (REM) C-3. 7 M1 operation check. PRCB PJ8PRCB-5 (REM) PRCB PJ8PRCB-8 (LOCK) C-4. 8 Change PRCB.

• Code: 16H
• Description: Transfer belt rotation failure
  • The belt positioning sensor does not detect the transfer belt position detection hole a second time even after the lapse of a predetermined period of time after it has detected one while the transfer belt is rotated.
• Troubleshooting Guides: 1 Check the PRCB connector for proper connection and correct as necessary. 2 PS4 sensor check. PRCB PJ9PRCB-8 (ON) C-5. 3 Change transfer belt unit. 4 Change PRCB.

• Code: 17H
• Description: Rack rotation failure
  • The rack positioning sensor is in the blocked state when the rack motor remains deenergized. • The rack positioning sensor is not blocked a second time even after the lapse of a predetermined period of time after it has been blocked once while the rack motor remains energized. • The rack positioning sensor is unable to detect the deceleration control position after the lapse of a given period of time after the rack motor has started while the rack motor is turning. • The count value of the edge of ON signal of the rack positioning sensor during each developing positions are not a predetermined value while the rack motor is turning.
• Troubleshooting Guides: 1 Check the M2 connector for proper connection and correct as necessary. 2 Check M2 for proper drive coupling and correct as necessary. 3 Check the PRCB connector for proper connection and correct as necessary. 4 PS3 sensor check. PRCB PJ5PRCB-11 (ON) C-6 5 M2 operation check. PRCB PJ5PRCB-1 to 4 (Pulse Output) C-6 to 7. 6 Change PRCB.

• Code: 18H
• Description: Heating roller warm-up failure
  • The thermistor does not detect a predetermined temperature value even after the lapse of a predetermined period of time after the current warm-up cycle has been started and the current warm-up cycle is thus not completed.
• Troubleshooting Guides: 1 Check the fusing unit for correct installation (whether it is secured in position). 2 Check the fusing unit, DCPU1, and PRCB for proper connection and correct as necessary. 3 Check the lever of the safety switch and correct as necessary. 4 Change the fusing unit. 5 Change PRCB. 6 Change DCPU1.

• Code: 19H
• Description: Abnormally low heating roller temperature
  • The temperature detected by the thermistor remains lower than a predetermined value for a predetermined period of time.
• Troubleshooting Guides: 1 Check the fusing unit for correct installation (whether it is secured in position). 2 Check the fusing unit, DCPU1, and PRCB for proper connection and correct as necessary. 3 Check the lever of the safety switch and correct as necessary. 4 Change the fusing unit. 5 Change PRCB. 6 Change DCPU1.

• Code: 1AH
• Description: Abnormally high heating roller temperature
  • The temperature detected by the thermistor is a predetermined value or higher for a predetermined period of time.
• Troubleshooting Guides: 1 Check the fusing unit for correct installation (whether it is secured in position). 2 Check the fusing unit, DCPU1, and PRCB for proper connection and correct as necessary. 3 Check the lever of the safety switch and correct as necessary. 4 Change the fusing unit. 5 Change PRCB. 6 Change DCPU1.

• Code: 1BH
• Description: Faulty thermistor
  • The condition of a temperature rise of less than 1°C extends continuously for a predetermined period of time that begins when the warm-up cycle is started.
• Troubleshooting Guides: 1 Check the fusing unit for correct installation (whether it is secured in position). 2 Check the fusing unit, DCPU1, and PRCB for proper connection and correct as necessary. 3 Check the lever of the safety switch and correct as necessary. 4 Change the fusing unit. 5 Change PRCB. 6 Change DCPU1.

• Code: 21H
• Description: Faulty OHP sensor
  • It is determined that the OHP sensor is faulty through a check made at the end of the predrive.
• Troubleshooting Guides: 1 Check the PRCB connector for proper connection and correct as necessary. 2 PS2 sensor check. PRCB PJ12PRCB-6 (ON) J to K-2. 3 Change PRCB.

• Code: 23H
• Description: Faulty waste toner near full detection board
  • It is determined that the LED and photo receiver are faulty through a check made when a new drum cartridge is detected.
• Troubleshooting Guides: 1 Check the WTDTB/LED connector for proper connection and correct as necessary. 2 Check the PRCB connector for proper connection and correct as necessary. 3 Change the drum cartridge. 4 Change WTDTB/LED. 5 Change PRCB.

• Code: 24H
• Description: Faulty fusing thermistor resistor
  • The heater lamp remains ON for a predetermined consecutive period of time.
• Troubleshooting Guides:

• Code: 29H
• Description: Trouble related to security
• Troubleshooting Guides:

• Code: 2AH
• Description: Trouble related to security
• Troubleshooting Guides:

• Code: 2BH
• Description: Trouble related to security
• Troubleshooting Guides:

• Code: 2CH
• Description: Trouble related to security
• Troubleshooting Guides:

• Code: 31H
• Description: IR cooling fan motor malfunction
  • The fan motor lock signal remains HIGH for a predetermined consecutive period of time while the cooling fan motor remains energized.
• Troubleshooting Guides: 1 Check the FM3 connector for proper connection and correct as necessary. 2 Check FM3 for proper drive coupling and correct as necessary. 3 Check the PRCB connector for proper connection and correct as necessary. 4 FM3 operation check. IPB J22IPB-1 (ON) IPB J22IPB-3 (LOCK) L-9. 5 Change PRCB. 6 Change DCPU2. 7 Change DCPU1.

• Code: F01H
• Description: Trouble related to security
• Troubleshooting Guides:

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