Sharp MX-4100N / MX-4101N / MX-5000N / MX-5001N (serv.man16) Service Manual ▷ View online
MX-4101N MAINTENANCE 8 – 25
(2) Web unit removal
1)
Remove the screw and the step screw. Release the fusing
lever, and remove the fusing unit.
lever, and remove the fusing unit.
2)
Disconnect the connector, remove two screws, and remove
the web unit.
Maintenance: Replace at every 150K.
* When installing, engage the harness with the rib.
the web unit.
Maintenance: Replace at every 150K.
* When installing, engage the harness with the rib.
(3) Web roller bearing removal
1)
Remove two screws, and remove the web roller bearing.
Maintenance: Replace at every 150K.
Maintenance: Replace at every 150K.
(4) Pressure roller bearing/pressure roller removal
1)
Remove the web spring, and remove the pressure roller bear-
ing.
Maintenance: Replace at every 150K.
ing.
Maintenance: Replace at every 150K.
2)
Remove the pressure roller.
Maintenance: Replace at every 150K.
Maintenance: Replace at every 150K.
(5) Web roller removal
1)
Remove the left and the right springs, and remove the web
operation shaft.
operation shaft.
2)
Remove the web roller (on the winding side).
Maintenance: Replace at every 150K.
* When installing, check to confirm that there are one concave
Maintenance: Replace at every 150K.
* When installing, check to confirm that there are one concave
section on the front side and that there are two concave
sides on the rear side.
sides on the rear side.
* When installing, engage the concave section (one position)
on the front side with the spring pin and two concave sec-
tions on the rear side with the web roller (on the feed side).
tions on the rear side with the web roller (on the feed side).
2
1
1
1
3
2
MX-4101N MAINTENANCE 8 – 26
3)
Remove two web tension shafts.
* When installing, insert the rear side first. Note that the front
* When installing, insert the rear side first. Note that the front
side (gear side) of the shaft is narrower.
4)
Remove the web roller (on the feed side).
Maintenance: Replace at every 150K.
* When installing, fit the concave section and the convex sec-
Maintenance: Replace at every 150K.
* When installing, fit the concave section and the convex sec-
tion of the gear on the front side.
* When installing, fit the concave section and the convex sec-
tion of the gear on the rear side (on the feed side, winding
side).
side).
[Route diagram]
[Note for installation]
Turn the gear (B) in the arrow direction, and set so that the lead
edge of the green line (A) of the web roller can be seen.
Turn the gear (B) in the arrow direction, and set so that the lead
edge of the green line (A) of the web roller can be seen.
(6) Thermistor removal
1)
Remove the screw, and remove the interface harness and
remove the fusing upper cover.
remove the fusing upper cover.
A
B
MX-4101N MAINTENANCE 8 – 27
2)
Remove the screw and disconnect the connector, and remove
the upper thermistor.
Maintenance: Replace at every 300K.
the upper thermistor.
Maintenance: Replace at every 300K.
3)
Remove the screw, and remove the fusing upper harness
cover. Remove the screw and disconnect the connector.
Remove the external thermistors (2 positions).
Maintenance: Replace at every 300K.
cover. Remove the screw and disconnect the connector.
Remove the external thermistors (2 positions).
Maintenance: Replace at every 300K.
4)
Remove the screw, disconnect the connector, and remove the
non-contact thermistor.
Maintenance: Replace at every 300K.
non-contact thermistor.
Maintenance: Replace at every 300K.
5)
Remove the screw, and remove the fusing lower cover.
6)
Remove the screw, disconnect the connector, and remove the
lower thermistor.
Maintenance: Replace at every 300K.
lower thermistor.
Maintenance: Replace at every 300K.
(7) External heating unit removal
1)
Remove the screw, and remove the fusing upper cover assem-
bly.
bly.
MX-4101N MAINTENANCE 8 – 28
2)
Remove the screw, and remove the terminal on the primary
side of the thermostat (2 positions).
Disconnect the connector of the thermistor.
side of the thermostat (2 positions).
Disconnect the connector of the thermistor.
3)
Remove two external heating springs, and disengage the hook
and remove the external heating unit.
(External heading spring) Maintenance: Replace at every
300K.
and remove the external heating unit.
(External heading spring) Maintenance: Replace at every
300K.
4)
Remove the screw, and remove the external lamp holder.
5)
Remove the screw and remove the terminal. Pull out the exter-
nal heater lamp.
nal heater lamp.
6)
Remove the step screw, and remove the external heating roller
bearing (A). Turn the external heating collar (B) and remove
the external heating roller (C) and the external belt (D).
Maintenance: Replace at every 300K.
bearing (A). Turn the external heating collar (B) and remove
the external heating roller (C) and the external belt (D).
Maintenance: Replace at every 300K.
COLOR:WHITE
COLOR:RED
A
A
B
C
D
B
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