Digital Equipment LN15, Руководство пользователя

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DIGITAL Laser Printer LN15 User Manual 4-8
unnecessary high coverage printing to maintain the print unit
performance.
For the print unit life, this printer indicates the near end of life only. The
message begins displaying '
REPLACE PARTS',
when the print unit can
still print 3,000 to 5,000 more pages. Prepare a new print unit if you
notice this indication.
Even if the print unit reaches its near-end-of-life, use the print unit until
its toner runs out (the message display indicates
TONER EMPTY
) for
economy. After replacing the print unit, be sure to reset the print unit
counter by using the control panel. For control panel operations, see the
end of this section.
Replacing the print unit involves replacing the toner cartridge. It is better
to perform the following set of procedures when replacing the print unit:
• Remove the old print unit. (You cannot remove it from the printer after
detaching the toner cartridge from it.)
• Clean the paper path.
• Clean the corona wire.
• Install the new print unit, then the new toner cartridge.
The following sections describe these procedures in the order listed.
Removing the Print Unit
Perform this procedure in the following cases:
• To replace the print unit
• To store the print unit in a clean, dark place when working inside the
printer for more than three minutes
Caution:
For safety, turn off the printer and disconnect the power cord before
beginning.
!