I
SF-73W
SF-73=
10] FUSER UNIT
. Majorpartsreplacement
h ~ fueer
unit must be removed before replaanga mm
Orient.
i. Removingthe uppertiser unit
(1)
~the~m shallmechanismand rernovethe rear~nel.
(2) Removertti fuaercover (one s=w).
Fuaer-er h~ing SMW
Upperfueer unith~ing E-ring
Frontframe side
(3) Rmovethe frontframe side upperfuserunithoktingE-ring.
(4) Remove the rear frame side connectors(three) and the idler
gear.
Pushthe upperfuser unit in the arrowdirectionto remove(two
E-figs).
R~asaambly
(1)insertthewhitebadendoftheheatertip throughtheheat
rdferRsideandsettheinsulatorinthereceptacbofthefueer
frameF.
Fueerframe F
\
Recap
(Frontframeside)
(2) Set the rearframe end of the lampintothe Iamphotier
R.
Matchhe
cutin the bmp h~er to the ~owsi~ Of~ f~~
frame
R,thensecureit witha screw.
\
Fuserframe R
~u
.---”
q .--”’ -
. .
--- .
Lamp Receptacle
Rear frame side
● Reversethe sequenceto r-assemble.
-A-(1) to (4).
B. Heaterlamp
(1) Removethe uppark=r un~.as ~SCri~ in
(2) Removethe snepband on the rear side of b upperfuaerunit.
(3) Remove the quick connectoron the front side of the therme
stat.
(4) Removethe lamp hofderR (one screw).
T4e outthe heater law in the arrowdirection.
(Frontstie)
Qukk connector
(Wire routing)
Note the followingto set wiresusingsnapbend.
● Insdating -ve shoufdbe locatedover the fuser frame edge or
thermistorhting bracket. bade ehoutdnot time in dhectcow
tact withthe edges ofthe fuaerunit.
● S~~ etrdch the harness in the arrow direction to remove
bee I-btion end h4 the ~ree W a snapband.
Thermistorhofdingbra~et edge
Insulatingskeve
/.
Snap ba
ve
~Snap band fixingdirwtion
10-1
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