4. Troubleshooting
► Error Code
C3–4410
C3–4414
C3–4510
► Error message
Install cyan imaging unit.
Cyan Imaging Unit Failure: #C3-4414. Install cyan imaging unit again
Cyan imaging unit is not compatible. Check users guide
► Symptom
Cyan drum unit is not installed. / The machine can't read the charger resistance value from the cyan drum unit. /
Cyan drum unit is not compatible.
► Troubleshooting method
1) Open the front cover.
2) Remove the waste toner container.
3) Open the side cover.
4) Remove the cyan drum unit.
(3.2.1. Drum Unit)
5) Install the new cyan drum unit.
6) Install the waste toner container.
7) Close the front cover.
► Error Code
C3–4711
C3–4712
► Error message
Imaging unit Failure: #C3-4711. Call for service.
Imaging unit Failure: #C3-4712. Call for service.
► Symptom
The data of CRUM is not detected.
► Troubleshooting method
1) Open the front cover and side cover.
2) Remove the waste toner container.
3) Check if the cyan drum is installed.
4) Remove and reinstall the cyan drum unit.
5) If the problem persists, check that the drum modular jack is contaminated or deformed.
6) Replace the cyan drum unit with new one.
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