Laser Unit; Before Replacement; Replacement - Ricoh MP C6502SP Field Service Manual

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4. Replacement and Adjustment

D135/D136 only

Laser Unit

• Each laser unit is composed of two laser diode assemblies.

1. Plug in the power cord, and then turn ON the main power switch.

2. Reset the motors for skew adjustment to the zero point with the following SPs:.

• SP2-104-002: set to "0"

• SP2-104-003: set to "0"

• SP2-104-004: set to "0"

• If you do not do the above adjustment, MUSIC may not work. This is because one or more of the

motors may be at or near the upper or lower limit (± 50). In such a case, if you do not zero the

motor positions before MUSIC is done, the range that the motor can move will be restricted and the

adjustment may not be done correctly.

1. Scanner unit (

2. Spring plates [A] ( x 4)

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