Preparing The New Laser Optics Housing Unit; Before Removing The Old Laser Optics Housing Unit - Ricoh D143 Field Service Manual

4. Replacement and Adjustment
• A new laser optics housing unit has a bracket to protect the LD units. When you install the new unit,
do not remove the bracket until near the end of the installation procedure (the correct time is stated
in the manual).
• This bracket protects a capacitor on the unit. If the bracket is removed too early, you could break
the capacitor on the corner of the main frame when you install the new unit.

Preparing the new laser optics housing unit

1. Polygon motor cover [A] of the laser optics housing unit (
2. Sponge padding [B]
3. Tag [C]
4. Reinstall the polygon motor cover [A].

Before removing the old laser optics housing unit

Do the following settings before removing the laser optics housing unit. These are adjustments for skew
adjustment motors in the laser optics housing unit.
1. Plug in and turn on the main power switch of the copier.
2. Enter the SP mode.
3. Execute SP2220-001 to clear the L2 lens positioning motor setting for Magenta.
4. Execute SP2220-002 to clear the L2 lens positioning motor setting for Cyan.
5. Execute SP2220-003 to clear the L2 lens positioning motor setting for Yellow.
6. Exit the SP mode.
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