Specifications

5–48 Replacement Procedures
PCBA, Mechanism Driver (Figure 5–21 )
CAUTION
To prevent electrostatic damage to electronic components, wear a
properly grounded static wrist strap when handling PCBAs.
Do not flex the board or grasp components on the PCBA during
removal/installation. Damage to components may result. Handle the
board carefully by the ejections levers, sides, or the heat sink.
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. Open the connector latches and disconnect the CCB/Mech. Driver
ribbon cable (1) from connector J6 (2).
5. Disconnect the power supply cable (3) from connector J7 (4).
6. Lift the ejection levers (5).
7. Grasp the mechanism driver PCBA (6) by the ejection levers and pull it
up and out of the card cage (7).
Installation
1. Slide the mechanism driver PCBA (6) down into the card cage (7).
Engage the card edge connectors in the connectors at the bottom of the
card cage.
2. Lower the ejection levers (5) to the closed position.
3. Connect the power supply cable (3) to connector J7 (4).
4. Connect the CCB/Mech. Driver ribbon cable (1) to connector J6 (2) and
close the connector latches.
5. Install the paper guide assembly (page 5–42).
6. Return the printer to normal operation (page 5–80).