Ricoh PD-D1 Field Service Manual page 132

4. Replacement and Adjustment
• Remove the drum
[A]: Lower pump cover ( × 2)
[B]: Upper pump cover ( × 3)
1. Remove the E-ring [C] to free the plunger from the pump drive slider [D].
2. Loosen the two screws securing the holder [E]. (Do not remove the holder.)
3. Push the plunger [F] until it reaches the bottom.
• The end of the plunger [F] must not stick out from the holder [E].
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