Ricoh DD 4450 - Air Pump Adjustment

Paper Delivery
C279 4-74 SM
4.11.4 AIR PUMP ADJUSTMENT
Purpose: To ensure that the exit pawl produces a jet of air at the proper time.
 Rear covers (
p.4-10 "Rear Cover")
1. Check the recess in the drum drive gear meets the positioning hole [A] in the bracket, as
shown.
2. Check whether the hole [B] in the pump drive gear is aligned with the hole [C] in the air pump
unit bracket.
3. If the alignment is incorrect, remove the air pump unit and re-position the gear.