Phaser 6121MFP Service Manual xvii
Servicing Electrical Components
Before starting any service procedure, switch the printer power Off and unplug the
power cord from the wall outlet. If you must service the printer with power applied,
be aware of the potential for electrical shock.
Do not touch any electrical component unless you are instructed to do so by a
service procedure.
Servicing Mechanical Components
When servicing mechanical components within the printer, manually rotate the
Drive Assemblies, Rollers, and Gears.
Do not try to manually rotate or manually stop the drive assemblies while any
motor is running.
Servicing Fuser Components
This printer uses heat to fuse the image to paper. When operating, the Fuser is
very hot. Turn the printer power Off and wait at least 5 minutes for the Fuser
to cool before you attempt to service the Fuser or adjacent components.
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