Specifications

5–38 Replacement Procedures

Motor Assembly, Paper Feed (Figure 5–16 )

Removal

1. Prepare the printer for maintenance (page 5–3).

2. Open the printer cover.

3. Remove the platen open 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) and remove the paper feed motor pulley (3),

collar (4), and paper feed timing belt (5).

5. Disconnect the paper feed motor electrical connector (6).

6. Remove the motor mount bolts (7) and nuts (8).

7. Remove the paper feed motor assembly (9).

Installation

1. Position the paper feed motor assembly (9) on the right side plate and

install the motor mount bolts (7) and nuts (8) finger tight.

2. Connect the paper feed motor electrical connector (6).

3. Install the paper feed motor pulley (3), collar (4), and timing belt (5).

4. Align the paper feed motor pulley (3) with the splined shaft pulley (10).

5. Hold the collar (4) snug against the motor pulley (3) and tighten the set

screw (2).

6. Using a force gauge, apply 12 pounds of tension to the paper feed motor

assembly (12).

7. Reduce tension to 9 pounds and torque the motor mount bolts (7) to

± 1 inch–pounds.

8. Snap the platen open belt cover (1) into the slots in the side plate.

9. Return the printer to normal operation (page 5–80).