Sharp MX-4100N / MX-4101N / MX-5000N / MX-5001N (serv.man16) Service Manual ▷ View online
MX-4101N MAINTENANCE 8 – 21
16) Clean the primary transfer belt follower roller (A) and the pri-
mary transfer belt tension roller (B).
Maintenance: Clean at every 300K.
Maintenance: Clean at every 300K.
17) Disengage the engagement on the front side, and remove the
primary transfer roller.
Maintenance: Replace at every 300K.
Maintenance: Replace at every 300K.
18) After replacing the intermediate transfer belt, apply Kynar.
NOTE: Do not touch the intermediate transfer belt with bare hands.
Be careful not to scratch or fold it.
a)
Place the primary transfer unit on a flat surface with the
top surface upward, and apply Kynar (UKOG-0123FCZZ)
to all the top surface of the belt.
top surface upward, and apply Kynar (UKOG-0123FCZZ)
to all the top surface of the belt.
NOTE:
When placing the primary transfer unit on a flat surface,
use a flat table and be careful not to scratch the belt and
not to attach a foreign material.
NOTE:
When installing the cleaner unit, rotate the intermediate
transfer belt so that the section where Kynar was applied
comes to the blade edge section, and install it.
When placing the primary transfer unit on a flat surface,
use a flat table and be careful not to scratch the belt and
not to attach a foreign material.
NOTE:
When installing the cleaner unit, rotate the intermediate
transfer belt so that the section where Kynar was applied
comes to the blade edge section, and install it.
b)
After inserting into the machine, make three sheets of
background copy on A3 paper.
background copy on A3 paper.
19) Remove the PTC unit.
Maintenance: Replace at every 300K.
* When replacing the PTC unit, use SIM24-4 to reset the PTC
* When replacing the PTC unit, use SIM24-4 to reset the PTC
counter.
20) Release the pawl, and remove the secondary transfer unit.
21) Remove each parts, and remove the secondary trasnfer idle
gear (A).
Maintenance: Replace at every 300K.
Maintenance: Replace at every 300K.
A
B
1
1
2
3
3
A
MX-4101N MAINTENANCE 8 – 22
22) Remove the secondary belt transfer frame.
23) Remove each parts, and remove the secondary transfer belt
follower roller.
Maintenance: Clean at every 300K.
Maintenance: Clean at every 300K.
24) Remove the secondary transfer belt.
Maintenance: Replace at every 300K.
25) Clean the secondary transfer belt drive roller and the second-
ary transfer idle shaft.
Maintenance: Clean at every 300K.
Maintenance: Clean at every 300K.
26) Remove the bearing on the front side, and remove the second-
ary transfer roller.
Maintenance: Replace at every 300K.
Maintenance: Replace at every 300K.
27) Push up the shutter, and clean the pro-reg sensor.
Maintenance: Clean at every 150K.
1
2
1
2
MX-4101N MAINTENANCE 8 – 23
F. Fuser section
✕
: Check (Clean, replace, or adjust according to necessity.) {: Clean S: Replace U: Adjust ✩: Lubricate
No.
Part name
When
calling
150
k
300
k
450
k
600
k
750
k
900
k
1050
k
1200
k
1350
k
1500
k
1650
k
Remark/Refer to the
Parts Guide.
Block/Item No.
(Only the
replacement parts
are described.)
1
Lower heat
roller
roller
Replace
the whole
lower heat
roller unit.
the whole
lower heat
roller unit.
Mechanical
parts
parts
✕
✕
S
✕
S
✕
S
✕
S
✕
S
✕
(P/G No.: [32]-15)
2
Lower heat
roller bearing
roller bearing
✕
✕
S
✕
S
✕
S
✕
S
✕
S
✕
(P/G No.: [32]-14)
3
Upper separation pawl/
pawl spring
pawl spring
✕
✕
S
✕
S
✕
S
✕
S
✕
S
✕
(P/G No.: [31]-14,
[31]-15)
[31]-15)
4
Non-contact thermistor
✕
✕
S
✕
S
✕
S
✕
S
✕
S
✕
(P/G No.: [31]-37)
5
Upper thermistor
✕
✕
S
✕
S
✕
S
✕
S
✕
S
✕
(P/G No.: [31]-48)
6
Lower thermistor
✕
✕
S
✕
S
✕
S
✕
S
✕
S
✕
(P/G No.: [32]-20)
7
Lower separation pawl/
pawl spring
pawl spring
✕
✕
S
✕
S
✕
S
✕
S
✕
S
✕
(P/G No.: [32]-56,
[32]-57)
[32]-57)
8
External heating roller
✕
✕
S
✕
S
✕
S
✕
S
✕
S
✕
(P/G No.: [33]-18)
9
External belt
✕
✕
S
✕
S
✕
S
✕
S
✕
S
✕
(P/G No.: [33]-17)
10
External heating roller
bearing
bearing
✕
✕
S
✕
S
✕
S
✕
S
✕
S
✕
(P/G No.: [33]-13)
11
External heating collar
✕
✕
S
✕
S
✕
S
✕
S
✕
S
✕
(P/G No.: [33]-15)
12
External heating spring
✕
✕
S
✕
S
✕
S
✕
S
✕
S
✕
(P/G No.: [33]-5)
13
External thermistor
✕
✕
S
✕
S
✕
S
✕
S
✕
S
✕
(P/G No.: [33]-12)
14
Upper Web roller
✕
S
S
S
S
S
S
S
S
S
S
S
(P/G No.: [30]-19)
15
Pressure roller
✕
S
S
S
S
S
S
S
S
S
S
S
(P/G No.: [30]-21)
16
Web roller bearings
✕
S
S
S
S
S
S
S
S
S
S
S
(P/G No.: [30]-15)
17
Pressure roller bearing
✕
S
S
S
S
S
S
S
S
S
S
S
(P/G No.: [30]-10)
18
Web unit
✕
S
S
S
S
S
S
S
S
S
S
S
19
Fusing paper exit roller
✕
{
{
{
{
{
{
{
{
{
{
{
20
Gears
✩
✩
✩
✩
✩
✩
✩
✩
✩
✩
✩
✩
21
Paper guides
{
{
{
{
{
{
{
{
{
{
{
{
No.
Part name
When
calling
200k
400k
600k
800k
1000
k
1200
k
1400
k
1600
k
Remark/Refer to the
Parts Guide.
Block/Item No.
(Only the
replacement parts
are described.)
22
Upper heat roller
Replace
the whole
upper heat
roller unit.
the whole
upper heat
roller unit.
Mechanical
parts
parts
✕
S
S
S
S
S
S
S
S
23
Upper heat roller gear
✕
S
S
S
S
S
S
S
S
24
Upper heat roller
bearing
bearing
✕
S
S
S
S
S
S
S
S
25
Upper heat roller heat-
insulation bush
insulation bush
✕
S
S
S
S
S
S
S
S
MX-4101N MAINTENANCE 8 – 24
(1) Fusing paper exit roller cleaning
1)
Pull out the right door unit.
2)
Clean the fusing paper exit roller.
Maintenance: Clean at every 150K.
Maintenance: Clean at every 150K.
5
3
3
3
3
19
21
20
21
4
7
7
7
7
6
25
24
24
23
25
22
2
1
8
16
18
14
15
17
17
11
11
11
11
10
10
12
12
8
2
9
13
13
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