NEC Super Script 4400 Maintenance Manual page 192

7 .6.3 Transfer Drum
Tools
Phillips Screwdriver #1, #2
Disassembly Procedures
1. Remove the toner module.
2. Remove the photoconductor belt module.
3. Remove the fuser unit.
4. Remove the cleaner cover.
5. Remove the drum cleaner.
6. Open the transfer unit.
7. Remove the top cover. (See the item 7.1.4.)
8. Remove the control fan assembly. (See the item 7.3.4.)
9. Remove the connector connected to the belt marker sensor.
10. Remove the set screw ST3 6 (2 pcs.) of stay 'A'.
11. Wrap transfer drum surface with paper so that the transfer drum will not be scratched.
12. Remove the stay 'A' assembly.
13. Push the transfer drum from the transfer unit side, and remove the transfer drum from the shaft support.
14. Pull up and remove the transfer drum from the top.
Assembly Procedures
1. Put a new transfer drum into main body from the top.
2. Have the transfer drum's shaft meet the drum shaft support.
3. Pushing the transfer drum, fit it into the shaft support.
4. Install the stay A assembly.
5. After the above, follow exactly the reverse order of disassembling procedures.
Caution!
Do not touch the transfer drum surface with bare hands, or scratch it.
Replacement Procedures for Maintenance Parts 183