EPSON EPL-N4000/EPL-N4000+ Chapter 4 Disassembly and Assembly
Rev.B 221
4.2.69.2 Installation
1. Place the Bracket on a flat, non-conductive surface.
2. Hold on to the ed
es of the PWB or one of the plastic connectors
mounted on the board, and reinstall the MCU into the Bracket.
Position the MCU so the connectors are on the ri
ht.
3. Use four screws, one in each corner, to secure the MCU PWB to the
Bracket.
4. Reinstall the MCU Cover onto the MCU Bracket. Position the Cover
so the three screw tabs are on the ri
ned over the three
screw holes in the center of the MCU PWB.
5. Use six screws to secure the MCU Cover to the MCU Bracket.
6. Reinstall the MCU PWB Bracket onto the printer frame. Make sure
you do not trap any wire harnesses between the Bracket and the
frame.
7. Use four screws to secure the Bracket to the printer frame.
8. Reconnect the seventeen P/Js to the MCU PWB.
9. Reinstall the Rear Cover Assembly. (“Rear Cover Assembly” on
pa
e -140)
CAUTION
Do not overtighten these four screws. Overtightening
may crack the PWB.