Drum Encoder Sensor (Hpsen) Removal - Lexmark C720 Service Manual

5024-001

Drum Encoder Sensor (HPSEN) Removal

1. Remove the toner cartridge.
2. Remove the OPC belt cartridge.
3. Remove the drum cleaner brush.
4. Remove the fuser unit.
5. Remove the side cover (L) 2. See
on page
6. Remove the top cover assembly. See
Removal" on page
7. Remove the transfer drum. See
page 4-81, for more
8. Remove the high voltage power supply unit. See
Power Supply Unit (HVU) Removal" on page
information.
9. Remove the sensor holder assembly from the frame (L).
10. Disconnect the encoder sensor.
11. Remove the encoder sensor from the sensor holder.
4-70
Service Manual
4-10, for more information.
4-12, for more information.
information.
"Side Cover (L) Removal"
"Top Cover Assembly
"Transfer Drum Removal" on
"High Voltage
4-33, for more