Ricoh MP C2504 Field Service Manual page 668

Out of line position
correction range
Leading edge registration of "M", "C", and/or "Y"
Result of Check
shifts over ±1.4 mm from that of "K".
1. Normal
2. Image transfer belt failure
Causes
3. Drive section failure
4. BCU(IPU)failure
1. Execute SP2-111-003 (Forced Line Position Adj.:
Mode c)
2. Replace image transfer belt
Solution
3. Replace PCU/ PCU motor
4. Replace BCU(IPU)
Pattern 1, 2
The main scan magnification is OK, but the color
Result of Check registration in the center of the image shifts over
0.66 mm.
1.ID Sensor(Center) failure
2. Significant movement of image transfer belt
Causes
(Center)
3.BCU(IPU) failure
1. Replace ID Sensor
Solution 2. Replace image transfer belt
3. Replace BCU(IPU)
Pattern -
Image Adjustment
659