Ricoh D177 Service Training page 53

Replacing the HVP-CB Board
 Before replacing the HVP-CB, input the correction values
from the decal on the new board into the correct SPs as
shown below, then turn the power OFF. After replacing the
board, turn the power ON.
 K: SP2-005-239
 C: SP2-005-240
 M: SP2-005-241
 Y: SP2-005-242
Slide 53
 The SPs are for charge voltage correction
 On the decal (diagram on the right):
 [A]: Serial number
 [B]: SP values
 [C]: QR code
Decal
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Met-C1yz Training