Sharp MX-M850 (serv.man39) Service Manual ▷ View online
MX-M1100 MAINTENANCE 9 – 41
20) Clean the transport roller 4 (a) and the transport roller 2 (b) at
every 500K.
21) Pull out all tray (a).
22) Remove the screw (a), and remove the cover (b).
23) Remove the screw (a), and remove the fulcrum block (b) and
the paper guide (c).
24) Disconnect the connector (a). Remove the screw (b), and
remove the tray 3 and 4 paper feed unit (c).
25) Clean the cassette 3 and 4 paper presence detection (a) and
the cassette 3 and 4 paper entry detection (b) at every 500K.
a
b
a
a
a
a
b
a
b
c
a
b
b
c
c
a
b
a
MX-M1100 MAINTENANCE 9 – 42
26) Remove the E-ring (a), and remove the belt (b), the pulley (c),
and the parallel pin (d). Remove the E-ring (e) and the bearing
(f).
(f).
27) Remove the E-ring (a), the bearing (b), and replace the trans-
port roller 2 and 4 (c).
28) Remove the E-ring (a), the gear (b), the parallel pin (c), the E-
ring (d), and the bearing (e). Remove the screw (f), and
remove the paper guide unit (g).
remove the paper guide unit (g).
29) Remove the spring (a). Remove the screw (b) and the stay (c).
Remove the spring (d) and the separation pressure release
plate (e).
plate (e).
30) Check the torque limiter (a) at every 500K.
31) Remove the E-ring (a). Slide the shaft (b) and remove the
bearing (c). Remove the shaft (b).
a
b
c
d
e
f
c
b
a
g
f
f
f
a
b
c
d
e
a
b
b
b
c
d
e
a
b
b
c
a
MX-M1100 MAINTENANCE 9 – 43
32) Remove the E-ring (a), and remove the coupling (b). Remove
the shaft (c), and replace the torque limiter (d) (when each
paper feed counter value reaches 800K from the beginning of
use).
paper feed counter value reaches 800K from the beginning of
use).
33) Clean the transport roller 1 and 3 (a) at every 500K.
34) Remove the screw (a), and remove the paper guide (b).
35) Remove the screw (a), the screw (b), and the cover (c).
36) Remove the E-ring (a), and remove the gear (b), the pulley (c),
and the parallel pin (d). Remove the E-ring (e), and remove the
bearing (f).
bearing (f).
37) Remove the E-ring (a), the bearing (b), and replace the trans-
port roller 1 and 3 (c).
c
b
d
a
a
b
a
a
a
a
b
b
b
a
b
c
a
b
c
e
f
d
c
a
b
MX-M1100 MAINTENANCE 9 – 44
13. Paper transport section
A. Maintenance table
✕: Check (Clean, replace, or adjust as necessary.) {: Clean ▲: Replace U: Adjust ✩: Lubricate : Shift the position
No.
Part name
When
calling
500
K
1000
K
1500
K
2000
K
2500
K
3000
K
Remark
[Refer to the Parts Guide. Block/Item No.]
(Only the replacement parts are described.)
1
Resist roller (Idle)
✕
{
{
{
{
{
▲
[PG No.: [32] - 28]
2
Transport rollers
✕
{
{
{
{
{
▲
[PG No.: [32] - 30]
3
Transport paper guides
{
{
{
{
{
{
{
4
Optical reflection type sensor
{
{
{
{
{
{
{
5
Paper dust cleaner
{
▲
▲
▲
▲
▲
▲
[PG No.: [32] - 1]
6
Double feed detection unit
{
Ultrasonic sensor top surface (Air cleaning)
95/110-sheet model only.
95/110-sheet model only.
7
PS section PWB protection sheet
{
8
PS gears
▲
[PG No.: [31] - 36, [32] - 14, [32] - 22, [32] - 36, [32] - 37]
9
CIS
{
{
10
Bearings
✕
5
9
2
7
8
8
2
2
2
2
1
4
10
10
10
10
10
10
10
10
10
10
10
10
6
3
2
2
4
10
10
10
3
3
10
2
2
10
2
2
4
4
4
4
4
4
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