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

Disassembly and Assembly

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

1. Remove the upper case. (See Section 3.2.1.)
2. Disconnect the cables from connector CN1 on the C137 PSB/PSE Board and from CN5 on the C164
MAIN Board.
3. Remove 1 CBS (M3 8) screw and remove 4 CBB (M3 12) screws securing the shield plate to the lower
case via the C137 PSB/PSE Board.
4. Remove 2 CBB (M3 12) screws and 1 CBS (M3 8) screw securing the C137 PSB/PSE Board to the
lower case. Then remove 1 CBS (O) (M4 8) screw fixing the earth line from the AC cable to the earth
plate.
5. Remove the wire harness for the motors in the locking tab on the shield plate and take the shield plate out
by pulling upward toward the back of the printer.
6. Remove the power supply unit by pulling it upward toward the back of the printer.
As the shield plates of C164 MAIN and C137 PSB/PSE have sharp edges, so take care in
handling them.
C N 5
CBS (M3x8)
C164 MAIN Board
Shield Plate for
C137 PSB/PSE
Board
C137 PSB/PSE Board
3-4
Harn esses for Motors
Locking Tab
Figure 3-4. Power Supply Unit Removal
Stylus Pro Service Manual
CBB (M3x12)
C N 1
CBS(O) (M4x8)
Rev.A