User`s guide

Cleaning the Printer
4-42
Maintaining Your Printer
Chapter 4
5. Before closing the front
cover, secure the drum unit
into place by applying
pressure at its top where the
“Press” label is affixed. The
drum unit will lock into
place when it has been
correctly inserted into the
printer.
Note
6. Gently close the front cover.
Do not slam the front cover
to avoid causing damage to
the printer.
7. Make sure that the front
cover is completely closed.
You will hear the sound of the
printer operating.
• Before shutting the printer’s exterior cover, make sure that the drum
unit is securely installed by applying pressure at its top where the
“Press” label is affixed.
Drum
unit
Front cover
OK(LOCKED) NG(UNLOCKED)
Front cover
lock release lever