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Section 7: Replacement Procedures
M84Pro Service Manual PN: 9001111A Page 7-3
INTERFACE BOARD REPLACEMENT
1 Switch off the printer and disconnect the power supply cord.
2 Open/remove the top, right, and left housing covers.
3 Remove two screws (1, Figure 7-3) securing interface board (2) on the exterior back side of
printer.
4 Carefully withdraw interface board (2) from its connection with main circuit board (3).
5 Insert replacement interface board (2) through the housing slot to connect with main circuit
board (3).
6 Secure interface board (2) to printer housing using two screws (1).
7 Reconnect power supply cord, test cycle, and reattach left side cover.
Figure 7-3, Interface Board Replacement
NOTE: Figure 10-1 of the Daigrams & Schematics section provides guidance
on housing cover removal.
NOTE: Figure 10-1 of the Daigrams & Schematics section provides guidance
on housing cover installation.
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