I
SF-73W
SF-7350
C.Themlstor, themostat
(1)Rerrrovethe ~fuser unit,refer to l-A-( ll)to (4).
(Thermistor)
Remwe the smp band.
Remove the thermistor(one screw).
(Thermostat)
Removethe quick connector.
Remwe the themoetat (one screw).
v
snapband
● Check-outafterinstallation
~rmistor)
The thermistormust restfirm~ onthe upperheat roller.
. .
.
u
upper
heat roller
~rrrrostat)
Make sure that the cfearance between the -r heat rder
and the thermostatis0.75 M.25rrrm.
Thermostat
L
0.75+0. 25m ‘
0’
up
heat roller
Thermostat
Cmvvindow
*--
\
\
Heat roller
D. Upperheatroller
-!- .
(1) Remwe the heater lenrp,mferto l-B-(I) to (4). “
(2) Remwetha sepamtorpaqti~ the ~ heatrom~.
(Set the protrusionof the paW on the thermistorho~~ bmck.
et in order of “a” end %“ es shown bebw. (3) Remove tie
rdk stopperusingthe C-ringplbrs.
Protruskn ofpati ,
(4)
Remove the tiser gear, bearing,andbushi~.
Remove the heat roflerinthe arrowdirectbrrcareful~, to avoti
scratch@ it.
(Frontside)
-
cm
::$y~q
(Reer side)
Rollerstopper
R&asaambly
● Note the positionofthe beeri~ andbushingwheninstal~.
● The pr~rusion of the fusergear mustbe insertedin the cut of the
heat roller.
● When rnstaflirrgthe rear side bearing,a~rr the cut in the bearing
ringwiththe retaineron the fueer
frame R. Rotatethe bearingW
degrees to securethe
beari~inthe rearfuserframe.
&
Bend
Cut in the nng
~~
<
0
\
.
@;\
/
‘>
\
*
\
m’\
a)\
RotateW degrees
)
Rear frame side
7
10–2
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