Ess Box; Removal; Installation - Epson EPL-N4000 Service Manual

EPSON EPL-N4000/EPL-N4000+

4.2.71 ESS Box

4.2.71.1 Removal

1. Remove the ESS Cover.
2. Disconnect CN14, CN19, CN20 and CN21 form the controller board
and remove the wire harness from the wire clamps. Then, release
the wire harness from the wire clamps and pull the harness free of
the ESS Box.
3. Remove the four screws securing the ESS Box to the printer frame,
and remove the Box.

4.2.71.2 Installation

1. Reinstall the ESS Box onto the printer frame. Align the ESS Box so
the cutout for the ESS PWB faces the rear of the printer.
2. Use four screws to secure the ESS Box to the printer frame.
3. Route the wire harness along the outside back of the ESS Box and
through the grommet at the rear of the Box.
4. Use the wire clamps to secure the wire harness to the Box. There
are two clamps along the outside back of the ESS Box, and two
clamps on the interior of the ESS Box.
5. Reconnect CN14, CN19, CN20 and CN21 of the controller board.
6. Reinstall the ESS Cover.
Rev.B
Chapter 4 Disassembly and Assembly
Figure 4-89. Removal of ESS Box
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