Maintenance Schedule; Service Visit Schedule - NEC 4400 - SuperScript Color Laser Printer User Manual

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
message appears on the Operator Panel display, 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 98.
• Clean the Transfer Roller (see page 98).
• Clean the Paper Exit Roller using the procedure on page
102.
• Clean the Belt Cartridge (OPC Belt) when the charge
wire gets stained or printouts show vertical streaks. Use
the procedure on page 96.
• Clean the Laser Lens using the procedure on page 100 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 Toner Collector (Waste Toner Bottle) after
12,000 pages.
• Replace the Fuser Cleaning Roller after 12,000 pages (see
page 95).
92 SuperScript 4400 Series — User's Guide
Every 12 Months or By Page Count
• Clean inside the Back Cover of the printer, after 20,000
prints or every 12 months, using the instructions on page
98.
• Wipe down the Paper Guides in the paper trays with a
soft cloth and mild solvent (after 20,000 prints or sooner
if needed).
TONER EMPTY
• Replace the Belt Cartridge after 50,000 color planes* or
every 12 months, using the procedure on page 97.
• Replace the Ozone Filter using the procedure on page
101.
• Replace the Fusing Unit after 60,000 pages using the
procedure on page 99.

Service Visit Schedule

Certain printer parts must be maintained or replaced by an
authorized NEC field service engineer. When this is
necessary call NEC Technical Support at 800-632-4650. They
will put you in touch with an engineer in your area who can
service your printer.
Every 120,000 pages: Paper Discharger, Drum Cleaner,
Paper Pick-up Roller, and Transfer Roller must be
replaced by a field service engineer.
Every 300,000 planes: Transfer Drum must be replaced
by a field service engineer.
*Every color laid down on a page is considered a plane. There
are four planes to a full color page using cyan, magenta,
yellow, and black.