6: User Maintenance; Overview; Precautions; Maintenance Schedule - NEC Super Script 4400 Maintenance Manual

CHAPTER 6
USER MAINTENANCE

OVERVIEW

This printer is designed for easy use and maintenance. Be sure to review the maintenance and service schedules on
page xx. These 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 4400 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 photoconductor belt module
• Cleaning inside the Back Cover
• Cleaning the Laser Lens
• Replacing the Ozone Filter
• Replacing the Waste Toner Bottle
• Cleaning the Paper Exit Roller
• Cleaning the outside of the printer
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 use ammonia-based cleaners. They may react with the toner in the cartridge.
• Do not use alcohol-based cleaners on the printer exterior. They may damage the plastic case.
• Do not expose the photoconductor belt module or drum to direct sunlight or bright room light.
• Do not spill any liquid inside the printer or in the power cord receptacle.

Maintenance Schedule

Follow this schedule to keep your printer in good operating condition.
Ongoing—As Needed
• Clean the outside of the printer with a soft cloth and mild solvent when dusty or soiled.
• When printed output becomes too light or
take out the Toner Module and gently rock it from side to side to redistribute the toner (about every 6,000
pages for color toner and every 10,000 pages for black toner).
• Clean the Registration Rollers using the procedure on page xx.
• Clean the Paper Exit Roller using the procedure on page xx.
• Clean the photoconductor belt module when charge wire gets stained or printouts show vertical streaks.
Clean the Laser Lens using the procedure on page xx if printouts show vertical streaks.
Every 12,000 Pages
• Replace the Fuser Oil Bottle when shipping the printer, after 12,000 pages, or when indicated on the Operator
Panel display.
• Replace the Waste Toner Bottle after 12,000 pages.
• Replace the Fuser Cleaning Roller after 12,000 pages.
message appears on Operator Panel display,
REPLACE CARTRIDGE
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