Power Supply Unit (C137 Psb/Pse Board) Removal - Epson 4003353 Service Manual

Disassemble and Assemblv

3.2.2 Power Supply Unit (C137 PSB/PSE Board) Removal

1. Remove the uppercase. (See Section 3.2.l.)
2. Discomect the cables from comectors CN1 on the C137 PSB/PSEboard and CN5 on the C137
MAIN board.
3. Remove the 2 CBN (M3x8) screws securing the shield plate to the lower case via the C137
4. Remove the 3 CBB (N13x12) Screws
remove a CBN (0) (M3x6) screw fixing the earth line from the AC cable to the earth plate.
5. Push in the locking tab and take out the power supply unit by sliding it toward the back of the
printer.
Figure 3-4. Power Supply Unit Removal
.
3-4
securing the C137 PSB/PSE board to the lower case and
I
Rev. A