Epson LX-300 Service Manual

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LX-31M Service Manual
DisassembiyandAssembly
3.2.3 Removing the BOARD ASSY.,MAIN and PSB/PSE
1.
Remove the COVER ASSY.,PRINTER, EDGE GUIDE ASSY., ribbon cartridge, TIUU30R
ASSY., PLATEN KNOB, and optional color upgrade kit.
2. Remove the HOUSING ASSY.,UPPER (see Section 3.2.2).
3. Discomect the 3 flexible flat cables (FFCS) and 6 connectors from the BOARD ASSY.,MAIN
and PSB/PSE.
4. Remove the 4 CBB (M3 x 8) screws attaching the shield plate to the main board assembly and
PSB/PSE, the CBB (M3 x 8) screw attaching the CS BOARD and the CBC (M4 x 8) screw
attaching the ground wire of the POWER CABLE.
5. Disengage the SHIELD PLATE and BOARD ASSY.,MAIN and PSB/PSE from the
GROUNDING PLATE.
e
CBB(
LE
GROUNDING PLATE
Figure 3-5. Removing the SHIELD PLATE
Rev.A
3-7

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%