Epson LX-300 Service Manual

Disassembly and Assembly
LX&Xl Service M%ual
3.2.3.1 Removing the BOARD ASSY.,MAIN
1.
Remove the FFC of the BOARD ASSY.,PSB/I’SE from comector CN2 of the BOARD
fl::y
ASSY.,MAIN.
%. .
.
2. Remove the
CBC (M3 x8) screw and the3 CB USCAC (M3 x 8)
3. Remove the BOARD
ASSY.,MAIN.
3.2.3.2 Removing the BOARD ASSY.,PSBIPSE
1.
Remove the FFC for the BOARD ASSY.,PSB/I’SE from comector CN2 on the BOARD
ASSY.,MAIN.
2. Remove the CB USCA C(M3 x 10) screw and 2 CB USCA C(M3 x 8) ssrews.
3. Remove the BOARD ASSY.,PSB/PSE.
● When replacing the BOARD ASSY.,MA.IM bend the LED lead wires parallel to the
BOARD
ASSY.J4AIN (see Figure 3-7).
. The SHIELD PLATE is easily bent; be
carefil when tightening the screws that attach it to
the BOARD ASS
Y.,MAIN and PSBIPSE.
CB USCA C(M3X8)
CB USCA C(M3X1O)
L A k
CB USCA C(M3X8)
/
,CBC(M3X8)
tiOO\MdXU)
‘=.
----
BOARD ASSY.,MAIN
‘v
Figure 3-6. Removing the BOARD ASSY.,MAIN and PSB/PSE
BOARD ASSY.,MAIN
\
Figure 3-7. Bending the LED Lead Wires
3-8
Rev.A

Epson LX-300 Specifications

General

Print Method	9-pin impact dot matrix
Interface	Parallel
Paper Handling	Friction feed, tractor feed
Weight	4.4 kg
Operating Environment	Temperature: 5 - 35°C, Humidity: 10 - 80%