MX-M753N MX-SMX3 18 – 1
MX-M753N
Service Manual
[18] MX-SMX3
1. Unpacking
A. Parts included
2. Installation
A. Turn off the power switches of the main unit.
1) Turn the power switch located on the operation panel to the
"OFF" position.
2) After checking that the operation panel has gone out, open the
front cabinet and turn the main power switch to the "OFF" posi-
tion.
3) Remove the power plug of the main unit from the outlet.
B. Pull out the control PWB.
• If cables are connected to the control PWB unit, remove all
cables.
1) Remove the three screws from the right cabinet upper.
2) Remove the right cabinet upper.
3) Remove the four screws from the control PWB unit.
• If the fax box unit is installed, carry out steps 4), 5), and
6).
4) Pull out the control PWB unit and remove the snap band.
5) Remove the interface cable from the frame.
6) Remove the connector.
7) Pull out and remove the control PWB unit.
C. Installation of the expansion memory
1) Install an expansion memory board to the DIMM1 slot of the
MFPC PWB.
No. Packed part name Quantity
1 Expansion memory board 1
1
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