NEC Super Script 4400 Maintenance Manual page 155

7 .3.2 Developer Drive Motor (DM)/Developer Drive Unit
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 (4 pcs.) of developer gear unit.
7. Remove the developer drive unit.
8. Remove the set screw ST3 6 (4 pcs.) of developer drive motor from the developer drive unit.
9. Remove the developer drive motor.
Assembly Procedures
1. Install a new developer drive motor to the developer drive unit.
2. Install the developer drive unit to the main body.
3. After the above , follow exactly the reverse order of disassembling procedures.
146 SuperScript 4400 — Maintenance Guide