NEC 870 - SuperScript B/W Laser Printer, Online User'S Manual

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Chapter 8: Maintaining Your Printer
5. Holding onto the Toner module’s handle,
lower it into the printer. Make sure the four
pins (two on each side) fit into the guides
inside the printer; it should snap into place.
The blue and green markings on the Toner
module and the inside of the printer should
match.
6. Carefully close the Top cover of the printer.
Replacing the Photoconductor Module
After about 20,000 pages, print images might start
to become faint and blurred. When this happens,
use the following procedure to replace the
Photoconductor with a new one. (To find out your
current page count, print out a Settings page—
press the Operator panel button for 4 seconds and
wait for the lights to cycle through.)
1. Turn OFF the printer and open the Top cover.
2. Remove the Toner module and the used
Photoconductor module from the printer.
Caution! The Fuser unit can become
very hot during operation.