Overview; Precautions For Disassembling The Printer - Epson LQ-1070 Service Manual

3.1 OVERVIEW

This section describes the various points to

3.1.1 Precautions for Disassembling the Printer

Follow the precautions below when disassembling the printer.
Before disassembling, assembling, or adjusting the printer, disconnect the power supply cable from
the external AC power socket. Failure to do so risks personal injury. The power supply switch for
the printer is wired into the secondary circuitry. As a result, the printer still remains live with current
flowing even
when this switch is off.
To maintain efficient printer operation, use only the recommended tools for maintenance work.
Use only the recommended lubricants and adhesives (see Chapter 6).
Adjust the printer only in the manner described in this manual.
3.1.2
Tables 3-1 and 3-2 list the various recommended tools that are needed when disassembling,
assembling, or adjusting the printer. Use only tools that meet these specifications.
NOTE
All tools are commercially aveilable.
note when disassembling and assembling the printer.
Table 3-1. List of Recommended Tools
Tool
Round-nose pliers
Nippers
Tweezers
Soldering iron
E-ring holder # 2.5
E-ring holder # 5
E-ring holder # 6
Phillips screwdriver No. 2
Normal screwdriver
across)
Box driver (7 mm
Thickness gauge (0.44
Thickness gauge (0.47 mm)
Table 3-2. Equipment Required for Maintenance
W A R N I N G
CAUTION
Part No.
B740400 100
B7405OO1OO
6 7 4 1 0 0 0 1 0 0
B740200 100
B740800400
B740800700
B740800800
6 7 4 3 8 0 0 2 0 0
6 7 4 3 0 0 0 1 0 0
B 7 4 1 7 0 0 2 0 0
—
m m )
—
3-1
REV.-A