Samsung MultiXpress X4 Series Service Manual page 497

4.7.8. Incorrect color registration
A. Typical faulty images
B. Troubleshooting procedure
Step Cause
1 ACR execution is needed.
2 ACR sensor is contaminated.
3 Circumstances is changed.
4 Check if the skew is occurs at the cassette or feeding rollers.
5 Belt surface is contaminated.
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Action
Execute ACR manually.
(Refer to 4.5.5.6.)
Clean the ACR sensor.
(Refer to 3.2.1.1.)
To recognize the eviroment chage, execute ACR
after a certain amount of time.
(Refer to 4.5.5.6.)
Adjust the skew manually.
(Refer to 4.7.)
Remove the ITB. If the surface of the belt is
contaminated, clean it with soft cloth.
4. Troubleshooting
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