Lexmark C720 Service Manual page 241

5024-001
21. Remove the low voltage power supply unit from the printer
engine.
a. Pull out the front part of the power supply.
b. Remove the hook from the frame base hole.
c. Remove the power supply unit from the engine.
Power supply installation:
1. Install the new power supply unit to the printer engine.
2. Perform the reverse removal steps.
3. Reconfirm the ground wire is connected to the ground position
on the frame.
4. Turn the printer On.
5. Confirm printer operation.
Repair Information
4-31