Service manual

EPSON LX-300+ Revision A
Disassembly and Assembly Disassembly and Assembly 71
4.2.4 Board Assembly and Panel Removal
1. Remove the upper housing. (See 4.2.2 "Upper Housing Removal".)
2. Remove the panel FFC from the connector of panel board assembly.
3. Remove 3 screws (CBP, 3x10) securing the panel board assembly to the
lower housing.
4. Remove the panel board assembly from the lower housing.
Figure4-5. Board Assembly and Panel Removal
4.2.5 C294MAIN Board Assembly Removal
1. Remove the upper housing. (See 4.2.2 "Upper Housing Removal".)
2. Remove the printer mechanism. (See 4.2.3 "Printer Mechanism
Removal".)
3. Remove 2 hexagon nuts securing the serial interface connector to the
lower shield plate.
4. Remove the serial interface connector from the installation hole of the
lower shield plate.
5. Remove 2 CP (M3x6) securing the parallel interface to the lower shield
plate.
6. Remove the option FFC and panel FFC from CN12 and CN13 on the board.
7. Remove the harness from the P/S board assembly from CN8.
8. Remove 3 screws (CBP, 3x10) securing the main board assembly to the
lower housing.
Panel Board Assembly
CPB (3x10)
Panel FFC
ADJUSTM ENT
REQUIRED
When the main board assembly is replaced, perform
destination setting and Bi-D adjustment.