AMT Datasouth Accel-7350 Service Manual page 67

(5) Paper Edge Sensor Replacement
The Paper Edge Sensor is located on the ribbon guide assembly.
REMOVAL
Step 1. Remove the carrier cover, 1 pan head screw (S-6).
Step 2. Disconnect the harnesses of the paper edge sensor from the head connecting PWB.
Step 3. Open the paper edge sensor cover by removing 1 pan head tapping screw (S-19).
INSTALLATION
Follow the reverse of the above procedure.
(6) Sensor Harness A Replacement
The Sensor Harness A Assembly is located beneath the plastic molded metric scale (front
printer view). The sensor is functional when the cover is opened.
REMOVAL
Step 1. Remove the top enclosure.
Step 2. Remove 2 pan head screws (S-17) from the mechanism stoppers left and right corners
of the mechanism. Rotate the mechanism up.
Step 3. Remove the paper cutter cover, 4 pan head tapping screws (S-12).
Step 4. Disconnect the connector for the sensor harness A assembly on the control PCB.
Step 5. Detach the sensor harness A assembly by removing the retaining screw (S-13).
INSTALLATION
Follow the reverse of the above procedure.
(7) HA Sensor Assembly Replacement
REMOVAL
Step 1. Remove the top enclosure.
Step 2. Remove 2 pan head screws (S-17) from the mechanism stoppers left and right corners
of the mechanism. Rotate the mechanism up.
Step 3. Disconnect the HA sensor assembly harness on the control PCB.
Step 4. Detach the HA sensor assembly by removing 2 pan head tapping screws (S-3).
INSTALLATION
Follow the reverse of the above procedure.
66