Ricoh MP C2504 - 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
Result of Check Side-to-side registration for K shifted
Causes
Abnormal SP value of main scan color registration
(K)
Solution Adjust SP2-101-001
Pattern -
Color registration
errors found
Result of Check Image density low
Causes Pattern density low
Solution Execute process control, Supply toner
Pattern -
Color registration
errors found
Result of Check
The main scan magnification of "M", "C" and/or
"Y" is not correct.
Causes
1. Laser unit failure
2. ID sensor failure
3. BCU(IPU) failure
4. Normal
Solution
1. Replace laser unit
2. Replace ID sensor
3. Replace BCU(IPU)
Pattern 4
Image Adjustment
661