Sharp MX-M850 (serv.man39) Service Manual ▷ View online
MX-M1100 MAINTENANCE 9 – 81
22) Remove the snap band (a), and disconnect the connector (b).
Remove the screw (c), and remove the double feed detection
unit (d).
unit (d).
23) Remove the E-ring (a), and remove the No. 1 resist roller (Idle)
(b).
24) Clean the No. 1 resist roller (a) at every 500K.
25) Disconnect the connector (a). Remove the screw (b), and
remove the document tray unit (c). Clean the transport section
of the document tray unit (c) at every 500K.
of the document tray unit (c) at every 500K.
26) Check the discharge brush (a) at every 500K. Clean the paper
exit roller (b) at every 500K.
27) Remove the screw (a) and the step screw (b), and remove the
paper guide (c). Clean the paper guide (c) at every 500K.
b
c
c
d
a
b
a
b
a
a
b
c
b
b
a
a
b
c
a
b
a
MX-M1100 MAINTENANCE 9 – 82
28) Check the torque limiter (a) at every 500K.
29) Remove the screw (a). Remove the E-ring (b), and slide the
bearing (c).
30) Remove the shaft (a), and replace the torque limiter (b) (when
DSPF counter value reaches 800K from the beginning of use).
31) Remove the screw (a), and remove the mounting plate (b).
Disconnect the connector (c). Clean the DSPF paper exit sen-
sor (d) at every 500K.
sor (d) at every 500K.
32) Open the DSPF unit (a), and clean the platen roller (b), the
scanning section paper guide (c), and the document mat (d) at
every 500K.
every 500K.
33) Open the lower door (a), and clean the transport roller 3 (b),
the transport roller 4 (c), and the back surface scanning glass
lower (d) at every 500K, and check the DSPF paper pass sen-
sor 7 (e) at every 200K. Clean the paper guides at every 500K.
lower (d) at every 500K, and check the DSPF paper pass sen-
sor 7 (e) at every 200K. Clean the paper guides at every 500K.
a
a
a
b
c
a
b
a
b
c
d
a
b
c
d
a
b
c
d
e
MX-M1100 MAINTENANCE 9 – 83
34) Remove the screw (a). Remove the back surface scanning
section glass upper unit (b).
35) Clean the front surface (a) and the back surface (b) of the back
surface scanning glass upper at every 500K.
36) Disconnect the connector (a). Remove the screw (b), and
remove the lamp unit (c).
* When installing the lamp unit, wind the harness (a) around
the lamp unit and insert the lamp unit. This facilitates pulling
out the harness from the rear side.
out the harness from the rear side.
37) Clean the reflector (a) and the scanner lamp (b) at every 500K.
38) Remove the spring (a). Remove the holder (b) and the arm (c).
a
b
a
b
a
c
b
a
a
b
a
b
c
MX-M1100 MAINTENANCE 9 – 84
39) Remove the screw (a), and remove the cover (b). Disconnect
the connector (c).
* When disconnecting the connector (c), release the lock and
* When disconnecting the connector (c), release the lock and
carefully disconnect the connector. Be careful not to use an
excessive force when disconnecting the connector.
excessive force when disconnecting the connector.
40) Remove the step screw (a).
41) Remove the screw (a), and remove the fulcrum plate (b).
Remove the scanner unit (c).
42) Clean the whole surface the scanner unit at every 500K.
Remove the screw (a), and remove the dark box (b) and the
cover (c).
cover (c).
43) Remove the cover (a). Clean the lens (b) and the CCD (c) at
every 500K.
* After completion of cleaning, visually check for any dust.
* After completion of cleaning, visually check for any dust.
44) Remove the screw (a), and remove the cover (b).
c
a
b
a
a
b
c
a
a
b
c
a
a
a
b
c
a
a
a
a
b
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