Service manual

C. Engine controller PCB
1) Remove the external covers.
2) Performing the interface controller PCB
removal procedures 1) through 3) on
page 3-20, remove the interface con-
troller unit.
3) Remove the screw on the left of the
printer, and disconnect the connector.
➀ Screw ➁ Connector
Figure 3-7-5
4) Remove the screw on the right of the
printer, and disconnect the connector.
➀ Screw ➁ Connector
Figure 3-7-6
5) Remove the two screws on the back of
the printer, and disconnect the two con-
nectors.
➀ Screws ➁ Connectors
Figure 3-7-7
6) Remove the 2 screws. Pull out the
engine controller unit toward you to
disconnect the 2 connectors on the
engine controller PCB. Remove the
engine controller unit.
➀ Screws
➁ Engine controller unit
Figure 3-7-8
CHAPTER 3
3 - 21
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