Color registration
errors found
Result of Check
Although main scan magnification is OK, the color
registration in the center of the image is shifted
Causes
1. Significant movement of Image Transfer Belt
(Center)
2. ID Sensor (Center) failure
3. BCU(IPU) failure
Solution
1. Replace Image Transfer Belt
2. Replace ID Sensor
3. Replace BCU(IPU)
Pattern -
Color registration
errors found
Result of Check
The side-to-side registration of “M”, “C”, and/or
“Y” is not correct.
Causes
1.ID Sensor(Center) failure
2. Significant movement of Image Transfer Belt
(Center)
3.BCU(IPU) failure
Solution
1. Replace Laser Unit
2. Replace ID Sensor
3. Replace BCU(IPU)
4. Adjust the target SP(s) from among
SP2-182-004 to -021
Pattern 3
4. Replacement and Adjustment
432
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