NEC Super Script 4400 Maintenance Manual page 196

7 .6.5 Front Cover Unit
Tools
Phillips Screwdriver #1, #2
Disassembly Procedures
1. Remove the side cover (L).(See the item 7.1.2.)
2. Remove the base cover (L). (See the item 7.1.10.)
3. Open the front cover unit.
4. Remove the set screw BT4 8 (2 pcs.) of front cover (inner).
5. Remove the coupling arm of waster toner tray.
6. Release the hinge holder of hinge arm's fixing pin.
7. Remove the fixing pin, and remove the coupling of hinge arm.
8. Remove the front cover (inner).
9. Disconnect all the harness connectors connected with the developer position sensor and developer solenoid.
10. Remove the set screw ST3 6 (2 pcs.) of front hinge (L).
11. Remove the front hinge (L) from the frame.
12. Sliding the front cover unit to the right side, remove the coupling of hinge's fixing pin at the right side.
Assembly Procedures
1. Prepare a new front cover unit assembly.
2. Couple the hinge pin of right side with the front cover unit.
3. Have the hook of left front hinge (L) meet the frame, hook the left front hinge.
4. Fix the front hinge (L) by screwing.
5. Couple the hinge arm to the front cover with the fixing pin.
6. Lock the fixing pin with the hinge holder.
7. After the above, follow exactly the reverse order of disassembling procedures.
Replacement Procedures for Maintenance Parts 187