4–8 Adjustment Procedures
Paper Drive Motor Pulley Alignment (Figure 4–4 )
1. Prepare the printer for maintenance (page 4–2).
2. Open the printer cover.
3. Remove the timing belt cover (1) by squeezing the top and bottom to
release the plastic tabs from the slots in the side plate.
4. Loosen the set screw (2) in the motor pulley collar (3).
5. Align the paper drive motor pulley (4) with the splined shaft pulley (5).
CAUTION
Make sure there is at least 0.010 inches of clearance between the
collar/pulley and the motor face plate.
6. Hold the collar (3) flush against the motor pulley (4) and tighten the set
screw (2):
a. If the pulley (4) is black (aluminum), torque the set screw
to 11
± 2 inch–pounds.
b. If the pulley (4) is silver (steel), torque the set screw
to 25
± 2 inch–pounds.
7. Check for correct tension on the paper feed timing belt (page 4–2).
Adjust if necessary.
8. Snap the timing belt cover (1) into the slots in the side plate.
9. Return the printer to normal operation (page 4–22).
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