Datasheet

Page 4-38 S400/S600 Maintenance Manual 44895L Rev. 3 3/15/04
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1. Turn printer Off (O), and remove the AC power cord.
2. Remove the printer data cable.
3. Remove the rear cover.
4. Refer to Figure 4-31 on page 4-39. Note the position of all ribbon cable connectors
and wire harness connectors. Remove all connectors to the main logic board.
5. Remove the three screws securing the main logic board.
6. Carefully grasping both sides of the main logic board, pull the board straight up from
the power supply connector and out of the unit. A gentle rocking motion may be
necessary to release it from the power supply board.
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1. Refer to Figure 4-31 on page 4-39. Align connector (J8) at the bottom of the main
logic board with the mating power supply board connector (J2).
2. Press the main logic board straight down until connector J8 has seated completely
onto the power supply board.
3. Reinstall the three mounting screws, making sure the mounting screw in the upper
right-hand side of the main logic board goes through the braided ground strap first.
4. Reconnect all ribbon and wire harness cables.
5. Replace the rear cover.
Caution:
Observe proper electrostatic safety precautions when removing, handling, and replacing
printed circuit boards.