Ricoh MP C2504 Field Service Manual page 670

4. Turn the power ON, and then execute the following SPs to set the skew correction mechanism to
the origin.
SP2-220-001 (Skew Origin Set M: Skew Motor)
SP2-220-002 (Skew Origin Set C: Skew Motor)
SP2-220-003 (Skew Origin Set Y: Skew Motor)
5. Turn the power OFF.
6. Connect the harness of the laser optics positioning motor to the laser unit.
7. Turn the power ON
SP2-111-001 (Forced Line Position Adj.: Mode A) execution (or Color Registration via the
Maintenance menu in User Tools)
Result: OK Case: SP2-194-007: 0 (Success)
No color registration
errors
Color registration
errors found
Color registration
errors found
Result of Check Side-to-side registration for K shifted
Abnormal SP value of main scan color registration
Causes
(K)
Solution Adjust SP2-101-001
Pattern -
Result of Check Image density low
Causes Pattern density low
Solution Execute process control, Supply toner
Pattern -
The main scan magnification of "M", "C" and/or
Result of Check
"Y" is not correct.
1. Laser unit failure
2. ID sensor failure
Causes
3. BCU(IPU) failure
4. Normal
1. Replace laser unit
Solution 2. Replace ID sensor
3. Replace BCU(IPU)
Pattern 4
Image Adjustment
661