Epson LQ-570e - Overview; Disassembly Precautions; Tools and Instruments

EPSON LQ-570e/LQ-580 Revision C
Disassembly and Assembly
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4.1 Overview
This section describes various points to note when disassembling and assembling the
printer. Unless otherwise specified, disassembled units or components can be re-assembled
by reversing the disassembly procedure. Precautions for any disassembly or assembly
procedure are described under the heading “CHECK POINT”. Any adjustments required
after disassembling the units are described under the heading “ADJUSTEMNTS”.
4.1.1 Disassembly Precautions
Follow the precautions below when disassembling the printer.
4.1.2 Tools and Instruments
The table below lists the tools and the instruments required for disassembling, assembling
or adjusting the printer. Use only tools that meets these specifications.
NOTE: All tools and instruments listed above are commercially available.
W ARNING
n Before disassembling, assembling or adjusting the printer,
disconnect the power supply cable from the AC power socket.
Failure to do cause personal injury.
n Be careful with the printhead when you handle it, as it may be
very hot just after printing.
n Do not touch the heat sink attached to the switching FET (Q1) on
the power supply board, just after power off as it may be very
hot.
n Never touch the heat sink attaches to the switching FET (Q1)
while at AC power cable is connected to the AC outlet, as it is not
electrically isolated.
CAUTION
To maintain efficient printer operation:
n Use only the recommended tools for maintenance work.
n Use only the recommended lubrications and adhesives.
n Adjust the printer only in the manner described in this
manual.
Table 4-1. Tools and Instruments
Name Specification EPSON Part No.
Phillips Screwdriver No.2 B743800200
Phillips Screwdriver No.1 B743800100
Box Driver 7.0mm Diagonal B741700200
Tweezers _ B741000100
Thickness gage _ B776702201
E-ring holder Size: #6 B740800800
Multi-Meter OHM/Voltage/Current _
Oscilloscope Min. 50MHz _
Platen parallelism measuring
fixture (#F735)
|L-R|: less than 0.02mm 1054655
Motor Driver -- --
Motor Driver Bit (Hexagon) -- --