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2. MAJOR UNIT REPLACEMENT
EO18-33018
2.3 Replacing the MAIN PC Board
2-5
6) Remove the two B-3x6 screws and the two SMW-3x6 screws, then remove the MAIN PC board
from the MAIN PCB support frame.
7) Replace the MAIN PC board with a new one, and reassemble in the reverse order of removal.
8) After replacing the MAIN PC board, perform the following operations.
(1) Perform a RAM clear.
(2) Restore the printer system setting according to the printout of the parameter settings.
(3) Perform a media sensor adjustment.
(4) Perform a test print to print to confirm that the printer works properly.
B-3x6 Screw
SMW-3x6
MAIN PCB Support Frame
MAIN PC Board
MAIN PC Board