Specifications

5–50 Replacement Procedures
PCBA, Power Supply (Figure 5–22 )
WARNING
To prevent injury from electric shock, wait at least one minute after
shutting off power before removing the power supply PCBA. Do not
touch components or flex the board during removal/installation. Handle
the board by the ejections levers and the sides. Wear a properly
grounded static wrist strap when handling the power supply PCBA.
Removal
1. Prepare the printer for maintenance (page 5–3).
2. Open the printer cover.
3. Remove the paper guide assembly (page 5–42).
4. Disconnect the mechanism driver power supply cable (1) from
connector J102 (2).
5. Lift the ejection levers (3).
6. Grasp the power supply PCBA (4) by the ejection levers and pull it up
about four inches.
7. Disconnect the circuit breaker cable (5) from connector J1 (6).
8. Remove the power supply PCBA (4) from the card cage (7).
Installation
1. Slide the power supply PCBA (4) into the card cage (7) about two
inches.
2. Connect the circuit breaker cable (5) to connector J1 (6).
3. Slide the power supply PCBA (4) into the card cage (7), engaging the
ejection levers (3) under the lip of the card cage (7).
4. Slowly lower the ejection levers (3) to the closed position.
5. Connect the mechanism driver power supply cable (1) to connector J102
(2).
6. Install the paper guide assembly (page 5–42).
7. Return the printer to normal operation (page 5–80).