Cover open error

Detection condition
  • The cover is open.
Defect-related parts
  • 920500 Cover open - Main Unit front cover
    • Front Cover
    • Front Cover Sensor
    • MCU Board
  • 920502 C2 Additional Paper Feed Cover open error
    • C2 Additional Paper Feed Cover
    • C2 Additional Paper Feed Cover Sensor
    • MCU Board
  • 924511 C3C4 Additional Paper Feed Cover open error
    • C3C4 Additional Paper Feed Cover
    • C3C4 Additional Paper Feed Cover Sensor
    • MCU Board
Troubleshooting
Step Confirmation and action YES NO
1

Check the status of the cover

  • Is the cover closed correctly?
 Go to step 2 Close the cover correctly
2

Check the shape of the cover
Check the shape of the part that presses sensor.

  • Is the part of the cover deformed or damaged?
 Replace the cover Go to step 3
3

Check the operation of the sensor
Check the sensor operation using the diagnostic function.

  • Judgment: Does the signal change by opening/closing the cover?

Replace the MCU board

 Go to step 4
4

Attach sensor and check connector connection

  • Is there any abnormality in the Front Cover Sensor or half-inserted in the connector?
 Fully insert the connectors

Replace the sensor