Table 3-24 Component tests (2 of 2) (continued)
Component test Component tested Comments
Fuser Fan FM2 Turn the product power off, and then on.
Listen at the front-right-lower corner of
the print engine for fan noise while the
product initializes.
Full speed intake fan
Cools the following areas:
●
duplex feed
●
ITB
Formatter Fan FM3 Turn the product power off, and then on.
Listen at the back-lower center area of
the rear cover for fan noise while the
product initializes.
Speed controlled intake
fan
Cools the following areas:
●
DC controller
●
ICB
●
formatter
NOTE: The formatter controls the
speed of this fan depending on product
operations.
318 Chapter 3 Solve problems ENWW