NEC Super Script 4400 Maintenance Manual page 170

7 .4.7 Drum Cleaner Solenoid (FBSOL)
Tools
Phillips Screwdriver #1, #2, Slotted Screwdriver #1
Disassembly Procedures
1. Remove the side cover (R). (See the item 7.1.3.)
2. Remove IOD2 Circut Card base. (See the item 7.2.3.)
3. Remove the main motor/gear unit. (See the item 7.3.1.)
4. Remove the set screw ST3 6 (2 pcs.) of drum cleaner solenoid.
5. Remove the drum cleaner solenoid.
Assembly Procedures
1. Install a new drum cleaner solenoid.
2. After the above , follow exactly the reverse order of disassembling procedures.
3. Upon completion of the installation, connect the power supply cable.
4. Turn the power supply switch ON.
5. Execute the test print in Service Mode.
6. Confirm the operation and print quality.
Drum Cleaner Solenoid
Fuser Clutch
Cleaner Clutch
IOD2 P.W.B
Registration Clutch
Replacement Procedures for Maintenance Parts
Main Motor
161