NEC Super Script 4400 Maintenance Manual page 146

7 .2.4 Panel Circut Card. (LCD inclusive)
Tools
Phillips Screwdriver #1, #2
Disassembly Procedures
1. Remove the side cover (LU). (See the item 7.1.1.)
2. Remove the set screw BT4 10 (1 pc.) of the panel case
assembly.
3. Remove the set screw BT3 8 (4 pcs.) of panel Circut Card
and LCD from the panel case assembly.
Assembly Procedures
1. Assemble a new panel Circut Card. (LCD inclusive) to
the panel case.
2. Install the panel case to the top cover and connect the
connector.
3. Upon completion of above installation, connect the
power supply cable.
4. Turn on the power switch of the printer.
5. Execute the test print in Service Mode.
6. Confirm the panel switch and indicator.
Side Cover(LU)
Replacement Procedures for Maintenance Parts
Panel Case
Panel Button
LCD P.W.B
Panel P.W.B
Panel Shield Plate
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