NEC 4650N - Manual (Page 91)

85
CHAPTER 7
MAINTAINING YOUR
PRINTER
O VERVIEW
This printer is designed for easy use and maintenance. Be
sure to review the maintenance and service schedules on
page 86, which show when parts should be cleaned or
replaced. Your Operator Panel will also remind you when
replacement of parts or consumables is due.
This chapter explains basic maintenance and cleaning
procedures you must follow to maintain the high print
quality and efficient operation of your NEC SuperScript 4650
Series printer. Included are instructions for the following
maintenance tasks:
•
Replacing the Toner Modules
• Replacing the Fuser Oil Bottle, Fuser Cleaning Roller,
and Fuser Unit
• Cleaning and Replacing the Belt Cartridge
• Cleaning inside the Back Cover
• Cleaning the Laser Lens
• Replacing the Ozone Filter
• Replacing the Toner Collector (Waste Toner Bottle)
• Cleaning the Paper Exit Roller
• Cleaning the outside of the printer
note: See page 110, for information about ordering
printer supplies.
The life expectancy of each replaceable part is based on
printing under specific operating conditions, such as media
type, number of colors used, humidity, page size, and page
coverage (usually 5% coverage as in an average business
letter).
P RECAUTIONS
Please take the following precautions when performing
maintenance tasks:
•
Do not work inside Top or Back Covers of printer until it
has cooled at least 15 minutes.
• Do not use ammonia-based cleaners. They may react
with the toner in the module.
• Do not use alcohol-based cleaners on the printer exterior.
They may damage the plastic case.
• Do not expose the Belt Cartridge or Transfer Drum to
direct sunlight or bright room light.
• Do not spill any liquid inside the printer or in the Power
Cord connector.
• Turn off and unplug the printer while working inside the
covers.
• Follow all directions carefully. Save this user’s guide for
future reference.
• Do not attempt to service the printer yourself since
opening some internal parts may expose you to high
voltage or other hazards. Refer all servicing not
explained in this user’s guide to qualified technicians.
Call NEC Technical Support at 800-632-4650 for help.