NEC Super Script 4400 Maintenance Manual page 160

7 .3.6 Ozone Fan (OZFAN)
Tools
Phillips Screwdriver #1, #2
Disassembly Procedures
1. Remove the toner module.
2. Remove the side cover (R). (See the item 7.1.3.)
3. Remove the IOD2 Circut Card. (See the item 7.2.3.)
4. Remove the harness guide.
5. Remove the connector to be connected to the developer drive motor.
6. Remove the set screw ST3 6 (2 pcs.) of developer gear unit.
7. Remove the developer drive unit.
8. Set the waste toner feeder to be nearly up right position.
9. Remove the set screw ST3 6 (1 pc.) of fan case.
10. Remove the fan case.
11. Remove the fan motor from the fan case.
Assembly Procedures
1. Install a new fan motor to the fan case.
2. After the above , follow exactly the reverse order of disassembling procedures.
Replacement Procedures for Maintenance Parts 151