General Information; Precautions For Disassembly/Assembly - Epson EPL-9000 Service Manual

Service Manual

3.1 GENERAL INFORMATION

This chapter describes the disassembly /assembly procedures to be used for replacing the main
assemblies of the

3.1.1 Precautions for Disassembly/Assembly

Follow the precautions below when disassembling/assembling the printer.
Disconnect the power cord before
Be sure to handle the
the printer stops printing.
If it is to plug in the power cord and operate the printer after disassembling it,
take the following precautions:
1. Keep your hands and clothing well
rollers, fan motors, etc.).
2. Never touch electric terminals or high-voltage components (such as the charger and the
high voltage unit).
Do not disassemble the imaging cartridge.
If the imaging cartridge is
Do not disassemble the optical unit.
Never turn power on if the optical unit is not installed.
To prevent damage to
board or the terminals of peripheral electrical components with your hands.
only the recommended tools to ensure safe and efficient maintenance work.
Inappropriate tools may damage the machine.
Never open the front cover until the main motor stops completely. Otherwise, the gears
may be damaged.
When transporting the printer, remove the imaging cartridge.
When transporting the printer a long distance, pack up it using the original packing
material.
3.1.2
Use the tools listed in Table 3-1 for disassembling/assembling the printer and for troubleshooting.
Name
Philips screwdriver No. 2
Regular screwdriver
Tweezers
iron
Soldering
Round-nose pliers
Rev. A
unit carefully, because the unit remains hot for a while after
operating or rotating parts (such as
the printer, do not place it in
static electricity, do not touch the
Table 3-1. Tools
Commercially Available?
Yes
Yes
Yes
Yes
Disassembly and Assembly
the printer.
sunlight.
on the circuit
Part No.
B743800200
B743OOO1OO
B641OOO1OO
B740200100
B7404OO1OO
3-1