3.1 GENERAL INFORMATION
This chapter describes disassembly/assembly procedures to use to replace the main assemblies of the
EPL-5500W.
3.1.1 Precautions for Disassembly/Assembly
Follow the precautions below when disassembling/assembling the printer.
❒ Disconnect the power cord before disassembling/assembling the printer.
❒ Be sure to handle the fusing unit carefully, because the unit remains hot for a while after
the printer stops printing.
❒ If it is necessary to plug in the power cord and operate the printer after disassembling it,
please be careful of the following:
1.Keep your hands and clothing well away from operating or rotating parts (such as
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 photoconductor unit and toner cartridge.
❒ If the photoconductor unit is removed from the printer, do not place it in direct sunlight.
❒ Do not disassemble the optical unit.
❒ Never turn power on if the optical unit is not installed.
❒ To prevent damage to ICs from static electricity, do not touch the ICs on the circuit
board or the terminals of peripheral electrical components with your hands.
❒ Use only the recommended tools to ensure safe and efficient maintenance work.
Inappropriate tools may damage the machine.
❒ Never open the upper unit until the main motor stops completely. Otherwise, the gears
may be damaged.
❒ When transporting the printer, remove the photoconductor unit and toner cartridge from
the printer.
❒ When transporting the printer a long distance, pack up the printer using the original
packing material.
3.1.2 Tools
Use the tools listed in Table 3-1 for disassembling/assembling the printer and for troubleshooting.
Table 3-1. Tools
Name Commercially Available? Part No.
Philips screwdriver no. 2 Yes B743800200
Regular screwdriver Yes B743000100
Tweezers Yes B641000100
Soldering iron Yes B740200100
Round-nose pliers Yes B740400100
EPL-5500W Service Manual Disassembly and Assembly
Rev. A 3-1
