Belt, Paper Feed Timing, Adjustment (Figure 24)
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Belt, Paper Feed Timing, Adjustment (Figure 24)
1. Prepare the printer for maintenance (page 313).
2. Cabinet Model: Remove the paper guide assembly (page 348).
Pedestal Model: Remove the top cover assembly (page 327).
3. Remove the timing belt cover (1) by squeezing the front and back to release the plastic tabs from the slots in the side plate.
4. Loosen (do not remove) the motor mount bolts (2).
5. Using the straight end of a force gauge, apply 15 pounds (66.7 N) of pressure to the paper feed drive motor (3) near the
mounting base of the motor. Use the splined shaft (4) to steady the gauge.
6. Reduce tension to 12 pounds (53.4 N) and torque the paper feed motor mount bolts (2) to 18 ± 2 inch-pounds
(2.03 ±
0.23 N•m).
NOTE: Belt tension is correct if the belt deflects 1/8 inch midway between the pulleys, using a deflection force of 2 to 4 pounds
(approximately 9 to 18 Newtons).
7. Snap the timing belt cover (1) into the slots in the side plate.
8. Cabinet Model: Install the paper guide assembly (page 348).
Pedestal Model: Install the top cover assembly (page 327).
9. Return the printer to normal operation (page 314).
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