Chapter 4 Disassembly And Assembly; Overview; Precautions; Tools - Epson LX-300+II RTP Service Manual

EPSON LX-300+II/300+II RTP/1170II

4.1 Overview

This chapter explains the disassembly and assembly of LX-300+II/1170II. Read the
precautions below before disassembling and assembling the printer.

4.1.1 Precautions

See the precautions given under the handling "WARNING" and "CAUTION" in the
following column when disassembling or assembling the product.

Disconnect the power cable before disassembling or assembling
W A R N I N G
the printer.

Never touch the printer right after it finishes printing, for the
printhead is highly heated.

If you need to work on the printer with power applied, strictly
follow the instructions in this manual.

Always wear gloves for disassembly and reassembly to avoid
injury from sharp metal edges.

To protect sensitive microprocessors and circuitry, use static
discharge equipment, such as anti-static wrist straps, when
accessing internal components.

Use only recommended tools for disassembling, assembling or
C A U T I O N
adjusting the printer.

Observe the specified torque when tightening screws.

Apply lubricants and adhesives as specified.

Make the specified adjustments when you disassemble the
printer. (See Chapter 5 for details.)

When performing an adjustment, follow the method described
in this manual.

When using compressed air products, such as air duster, for
cleaning during repair and maintenance, the use of such
products containing flammable gas is prohibited.
Disassembly and Assembly

4.1.2 Tools

The table below lists the tools recommended to use for disassembly and assembly and
adjustment. Use only tools specified here.
Table 4-1. Recommended Tools-1
Tools
Needle-nose pliers
Nipper
Tweezers
Soldering bit
E ring holder #2.5
+ driver No.2
Box driver (opposite side distance: 7mm)
Thickness gauge
NOTE: All tools are available on the market.
Table 4-2. Recommended Tools-2
Device
Multimeter
Oscilloscope
NOTE: Only component level repairing service requires oscilloscope.
Overview
Revision D
Part No.
B740400100
B740500100
B741000100
B740200100
B740800400
B743800200
B741700200
B776702201
Specification
-
50MHz
66