Read Sharp MX-6500N / MX-7500N (serv.man86) Technical Bulletin online
Sharp Electronics (UK) Ltd., Technical Services Group
CCE-1631
1. Model Name:
MX6500N – MX7500N
2. Description:
Image quality troubles may happen depending on the type of paper or the usage conditions. For the
countermeasures, the parts for individual support have been set up as the service parts. (Not reflected in
mass production)
Along with this, the maintenance KIT has newly been set up for machines after changing the parts to the
ones mentioned in this Technical Report.
countermeasures, the parts for individual support have been set up as the service parts. (Not reflected in
mass production)
Along with this, the maintenance KIT has newly been set up for machines after changing the parts to the
ones mentioned in this Technical Report.
Fusing unit (DUNT-9415DSZZ): This part is necessary to solve the quality issues.
Target regions: Europe, Australia, Asia, South Africa
Separate drive unit (DUNT-9417DSZZ): This part is necessary to solve the quality issue No.3. (See below)
Target regions: Europe, Australia, Asia, South Africa
Production parts
Service parts
SETUP OF SERVICE PARTS FOR IMAGE QUALITY
ISSUES
TECHNICAL BULLETIN
Date:
21
st
September 2016
Model:
MX6240N – MX7040N
Ref.:
CCE-1631
Colour:
White
Page:
1 of 5
Change of the gear:
Before change: Resin
After change: Sintering
Before change: Resin
After change: Sintering
Sharp Electronics (UK) Ltd., Technical Services Group
CCE-1631
Fuser Belt Refresh Tool (DUNT-9418DSZZ): This part is necessary to solve the quality issue No.4.
Target regions: All regions
Target regions: All regions
Fusing rear lower PG unit (DUNT-9419DSZZ): This part is necessary to solve the quality issue No.4.
*Contained in Fusing unit (DUNT-9415DSZZ)
Target regions: All regions
Separate unit (DUNT-9416DSZZ): This is the maintenance part to solve the quality issue No.2.
*Contained in Fusing unit (DUNT-9415DSZZ)
Target regions: Europe, Australia, Asia, South Africa
Belt polishing sheet PRO AS (CSHEZ6817FC01) (1set=100sheets)
Components of Maintenance KIT for 300K life
Components of Fusing roller PM unit
(DKIT-0464FCZZ)
(DKIT-0464FCZZ)
Parts name
Parts code
Q'ty
Fusing roller
NROLI2161FCZZ
1
Heat roller
NROLT2166FCZZ
1
Insulation bush
LBSHZ0378FCZ1
2
Upper HR bearing
NBRGY0761FCZZ
2
Fusing roller bearing
NBRGY1074FCZZ
2
Component of Fusing belt PM unit
(DKIT-0463FCZZ)
(DKIT-0463FCZZ)
Parts name
Parts code
Q'ty
Fusing belt
NBLTH0663FCZZ
1
Meandering
restraint collar
PCLR-0644FCZZ
2
Wave washer
LX-WZ0493FCZZ
2
Sharp Electronics (UK) Ltd., Technical Services Group
CCE-1631
Using Fusing unit (DUNT-9415DSZZ) will enable to improve the following image quality issues:
No
Symptom
Service parts for
improvement
Remarks
1
When using the thin Glossy Paper, the glossy
level difference is caused.
level difference is caused.
*Please place an order for
Fusing roller PM KIT (DKIT-
0464FCZZ) for the
maintenance of the roller
after changing to Fusing unit.
*Please place an order for
Fusing belt PM KIT (DKIT-
0463FCZZ) for the
maintenance of the fusing
belt after changing to Fusing
unit.
Fusing roller PM KIT (DKIT-
0464FCZZ) for the
maintenance of the roller
after changing to Fusing unit.
*Please place an order for
Fusing belt PM KIT (DKIT-
0463FCZZ) for the
maintenance of the fusing
belt after changing to Fusing
unit.
Fusing roller (NROLI2138FCZZ)
has been set up in CCE-1422R but
this part is for the issues including
the damaged separate plate
holder described below. When
the action is taken only for this
issue, please refer to the
description in CCE-1422R.
has been set up in CCE-1422R but
this part is for the issues including
the damaged separate plate
holder described below. When
the action is taken only for this
issue, please refer to the
description in CCE-1422R.
2
Toner adhered to Separate plate holder
damages Fusing belt, resulting in the image
quality trouble.
damages Fusing belt, resulting in the image
quality trouble.
*Please place an order for
Separate unit (DUNT-
9416DSZZ) for the
maintenance of Separate
unit after changing to Fusing
unit
Separate unit (DUNT-
9416DSZZ) for the
maintenance of Separate
unit after changing to Fusing
unit
3
When printing with Heavy paper, the blur is
caused on the printed image.
caused on the printed image.
Fusing separate drive unit
(DUNT-9417DSZZ)
*This parts is not contained
in Fusing unit. Please order
it at the same time.
(DUNT-9417DSZZ)
*This parts is not contained
in Fusing unit. Please order
it at the same time.
Firmware update is required
separately. (“Change of Fusing
Pressure Setting” in CCE-1632 is
added.)
*Please refer to the separate
sheet for the setting method.
separately. (“Change of Fusing
Pressure Setting” in CCE-1632 is
added.)
*Please refer to the separate
sheet for the setting method.
Belt
damage
damage
Image quality trouble
Glossy level
difference
associated with
Fusing rear transport
roller
difference
associated with
Fusing rear transport
roller
Glossy level difference
associated with Fusing
roller front paper
transport
associated with Fusing
roller front paper
transport
guide
Blur on the
printed image
printed image
Surface of the
solid image is
coarse.
solid image is
coarse.
Surface of the
solid image is
smooth.
solid image is
smooth.
Sharp Electronics (UK) Ltd., Technical Services Group
CCE-1631
No
Symptom
Service parts for
improvement
Remarks
4
Image quality trouble is caused due to the
fusing belt damaged by the paper end.
fusing belt damaged by the paper end.
Fuser Belt Refresh Tool
(DUNT-9418DSZZ)
*This parts is not contained in
Fusing unit (DUNT-9415DSZZ).
Please order it at the same
time.
*100pcs of Belt polishing
sheet are contained in Fusing
Refresh Tool.
If the additional sheets are
required, please place an
order for Belt polishing sheet
(CSHEZ6817FC01).
(DUNT-9418DSZZ)
*This parts is not contained in
Fusing unit (DUNT-9415DSZZ).
Please order it at the same
time.
*100pcs of Belt polishing
sheet are contained in Fusing
Refresh Tool.
If the additional sheets are
required, please place an
order for Belt polishing sheet
(CSHEZ6817FC01).
Firmware update is required
separately. (Fuser Belt Refresh in
CCE-1632 is added)
*Please refer to the separate
sheet for the usage directions.
If only this issue needs to be
corrected with Fusing unit other
than Fusing unit (DUNT-
9415DSZZ), it is possible to use
Fuser Belt Refresh Tool
separately. (Fuser Belt Refresh in
CCE-1632 is added)
*Please refer to the separate
sheet for the usage directions.
If only this issue needs to be
corrected with Fusing unit other
than Fusing unit (DUNT-
9415DSZZ), it is possible to use
Fuser Belt Refresh Tool
(
DUNT-
9418DSZZ
)
and Fusing rear
lower PG unit (DUNT-9419DSZZ).
Please order those parts if
necessary.
*Please refer to the separate
sheet for the installation
method.
Please order those parts if
necessary.
*Please refer to the separate
sheet for the installation
method.
3. Parts Action:
Ref.
No.
Model
name
Version P/G No.
Current parts
New parts
Price
rank
Q'ty
Parts name
Effective
time
Inter-
change-
ability
Parts code
Parts code
1
MX-6500N
MX-7500N
MX-7500N
-
-
DUNT-9415DSZZ
EC
1
Fusing unit
2016/7
-
-
-
MSPRT4649FCZZ
AR
2
Fusing pressure spring
-
-
-
NBLTH0663FCZZ
CQ
1
Fusing belt
-
-
-
PCLR-0644FCZZ
AZ
2
Meandering restraint
collar
collar
-
-
-
NROLI2161FCZZ
CV
1
Fusing roller
-
-
-
NROLT2166FCZZ
BW
1
Heat roller
-
-
-
DUNT-9416DSZZ
BM
1
Separate unit
-
-
-
CPLTM8370FC03
BL
1
Fusing rear upper
separate plate
separate plate
-
-
-
LHLDZ2604FCZZ
AY
1
Separate plate holder F
-
-
-
LHLDZ2605FCZZ
AY
1
Separate plate holder R
2016/7
-
-
-
MSPRD4634FCZZ
AN
2
Separate plate pressure
spring
spring
-
-
-
DUNT-9417DSZZ
BF
1
Fusing separate drive
unit
unit
-
-
-
NGERH2521FCZZ
AT
1
Gear
-
<Interchange>
1. Interchangeable.
4. Not interchangeable.
2. Current type can be used in place of new type.
New type cannot be used in place of current type.
5. Interchangeable if replaced with same types of
related parts in use.
3. Current type cannot be used in place of new type.
New type can be used in place of current type.
6. Others.
Parts marked with "
" is important for maintaining the safety of the set. Be sure to replace these parts with
specified ones for maintaining the safety and performance of the set.
Damage to the fusing
belt surface
belt surface
Image quality
trouble