2.3 OPC Unit
2.3.1 Replacing the OPC belt
PM cycle: Replace every 200K
1. Turn off the main switch.
2. Open the front door, then remove two screws to
allow it to open further.
3. Disconnect the connector from the fan and remove
the inner cover (2 screws).
4. Disconnect the charge corona connector.
5. Pull out the charge corona unit.
6. Release the cleaning backup roller by turning lever
(1).
7. Release the development backup roller by turning
lever (2).
8. Release the transport unit to the right side.
9. Turn the development knob and collect the
developer on the development sleeves.
CAUTION
• Be sure to collect the developer because it
may stick to the side plate of the OPC unit,
damaging the OPC belt.
• To turn the development knob, slightly pull
out the unit and disengage the joint gear at
the rear of the unit.
10. Remove the OPC unit stay by turning the knob.
11. Slide out the OPC unit.
12. Turn lever (3) to loosen the tension of OPC belt.
13. Insert two OPC mounting/dismounting tubes in the
bosses and pull out the OPC belt this way.
Lever (1)
Transport unit
Development
knob
Lever (2)
Charge
corona unit
Charge corona
connector
OPC unit
OPC unit stay
Knob
Lever (3)
OPC mounting/dismounting tube
To Next Page