30 _
Maintenance
11.
Close the front cover. Make sure that the cover is securely closed. If the
cover is not firmly closed, printing errors may occur when you print.
REPLACING THE IMAGING UNIT
When the on-line/error LED lights red, it means the machine’s imaging unit
has reached its lifespan.
Also, the Smart Panel program window appears on the computer telling you
to replace the imaging unit.
At this stage, the imaging unit needs to be replaced. Check the type of
imaging unit for your machine. (See "Supplies" on page 42.)
1.
Turn the machine off, then wait a few minutes for the machine to cool.
2.
Grasp the front cover and pull it toward you to open.
3.
Pull the printing cartridge out and remove it from the machine
.
Because the machine is very light, it may be moved when you
use it; for example, when opening/closing the tray or installing/
removing the printing cartridge. Be careful not to move the machine.
Avoid reaching too far into the machine. The fusing area may be hot.
Because the machine is very light, it may be moved when you use it;
for example, when opening/closing the tray or installing/removing the
printing cartridge. Be careful not to move the machine.
Summary of Contents for Mono Laser Printer
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