Adjustment After Replacing The Laser Unit - Ricoh MP C2504 Field Service Manual

Adjustment after Replacing the Laser Unit

1. Close the front cover and attach the left cover.
• Attach the left cover before turning on the main power switch. Laser beams can seriously
damage your eyes.
2. Plug in and turn on the main power switch.
3. Download the data of the new laser unit to the main body with SP2-110-005.
4. Check that SP2-119-001 to 003 is "0."
• If it is not "0", perform SP2-110-005 again.
• If it is not executed correctly, outputs will be abnormal (magnification and color registration
errors), and SC 285 may occur.
5. Turn off the main power switch and disconnect the power cord.
6. Remove the left cover and attach the laser optics positioning motor harness [A].
7. Close the left cover.
8. Plug in and turn on the main power switch.
9. Select [14: Trimmed area] in SP2-109-003, and then press [OK].
10. Press [Copy Window], and then print the test pattern in the copy screen.
• Check if the margin on either side on the output (14: Trimmed area) is less than 4±1 mm or
not. If it is not within these limits, change the reference value (Bk) of the main scanning
magnification adjustment (SP2-102-001 to -003).
Laser Unit
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