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 print output becomes too light orTONER EMPTY message appears on the Operator Panel display, take out the Toner Module and gently rock it from side to side to redistribute the toner. Replace Toner Modules after 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 78.
•Clean the Transfer Roller (see page 78).
•Clean the Paper Exit Roller using the procedure on page 82.
•Clean the Belt Cartridge (OPC Belt) when the charge wire gets stained or printouts show vertical streaks. Use the procedure on page 76.
•Clean the Laser Lens using the procedure on page 80 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 75).
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 78.
•Wipe down the Paper Guides in the paper trays with a soft cloth and mild solvent (after 20,000 prints or sooner if needed).
•Replace the Belt Cartridge after 50,000 color planes* or every 12 months, using the procedure on page 77.
•Replace the Ozone Filter using the procedure on page 81.
•Replace the Fusing Unit after 60,000 pages using the procedure on page 79.
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
Every 120,000 pages: Paper Discharger, Drum Cleaner, Paper
Every 300,000 planes: Transfer Drum must be replaced by a field service engineer.
*Every