DOWNLOAD Sharp MX-6500N / MX-7500N (serv.man11) Service Manual ↓ Size: 88.55 MB | Pages: 127 in PDF or view online for FREE

Model
MX-6500N MX-7500N (serv.man11)
Pages
127
Size
88.55 MB
Type
PDF
Document
Service Manual
Brand
Device
Copying Equipment / Service Manual (Revised May 2017).
File
mx-6500n-mx-7500n-sm11.pdf
Date

Sharp MX-6500N / MX-7500N (serv.man11) Service Manual ▷ View online

MX-7500N  NOTE FOR SERVICING - iii
5. Note for repairing/replacing the LSU
When  repairing  or  replacing,  be  sure  to  observe  the  following
items.
-  When repairing or replacing the LSU, be sure to disconnect the
power plug from the power outlet.
-    When  repairing  or  replacing  the  LSU,  follow  the  procedures
described in this Service Manual.
-  When checking the operations after repairing the LSU, keep all
the parts including the cover installed and perform the operation
check.
-  Do not modify the LSU.
-  When visually checking the inside of the machine for the opera-
tion check, be careful not to allow laser beams to enter the eyes.
If the above precaution is neglected or the LSU is modified, ones
safety may be at risk.
6. Note for handling the drum unit, the 
transfer unit, the developing unit
When handling the OPC drum unit, the transfer unit, and the devel-
oping unit, strictly observe the following items.
If these items are neglected, a problem may be generated in the
copy and print image quality.
Drum unit
-  Avoid working at a place with strong lights.
-  Do not expose the OPC drum to lights including interior lights for
a long time.
-  When the OPC drum is removed from the machine, cover it with
light blocking material. (When using paper, use about 10 sheets
of paper to cover it.)
-  Be careful not to attach fingerprints, oil, grease, or other foreign
material on the OPC drum surface.
Transfer unit
-  Be careful not to leave fingerprints, oil, grease, or other foreign
material on the transfer roller, primary transfer belt, and the sec-
ondary transfer belt.
Developing unit
-  Be careful not to leave fingerprints, oil, grease, or other foreign
material on the developing unit.
Fusing unit
-  Be careful not to attach finger prints or foreign materials on the
fusing belt and the pressure roller.
7. Screw tightening torque
The screws used  in  this  machine are largely classified  into three
types.
These  types  are  classified  according  to  the  shape  of  the  screw
grooves and use positions.
The table below shows the types of the screws and the tightening
torques depending on the use position.
When tightening the screws for repair or maintenance, refer to the
table.
However, for the other conditions of tightening screws than speci-
fied on this table, or under special circumstances, the details are
described on the separate page. Refer to the descriptions on such
an exception.
Especially for the screw fixing positions where there is an electrode
or  a  current  flows,  use  enough  care  to  tighten  securely  to  avoid
loosening.
Screw kinds and tightening torques
Normal screws, set screws (including step screws)
Tapping screws (for iron)
Tapping screw (for plastic)
Screw 
diameter
Material to be 
fixed
Tightening 
torque 
(Nm)
Tightening 
torque 
(kgfcm)
Tightening 
torque 
(lbft)
M2.6
Steel plate
0.8 - 1.0
8 - 10
0.6 - 0.7
M3
Steel plate
1.0 - 1.2
10 - 12
0.7 - 0.9
M4
Steel plate
1.6 - 1.8
16 - 18
1.2 - 1.3
Screw 
diameter
Material to be 
fixed
Tightening 
torque 
(Nm)
Tightening 
torque 
(kgfcm)
Tightening 
torque 
(lbft)
M3
Steel plate 
(Plate thickness 
0.8mm or above)
1.0 - 1.2
10 - 12
0.7 - 0.9
M4
Steel plate 
(Plate thickness 
0.8mm or above)
1.6 - 1.8
16 - 18
1.2 - 1.3
M3
Steel plate 
(Plate thickness 
less than 0.8mm)
0.6 - 0.8
6 - 8
0.4 - 0.6
M4
Steel plate 
(Plate thickness 
less than 0.8mm)
1.2 - 1.4
12 - 14
0.9 - 1.0
Screw 
diameter
Material to be 
fixed
Tightening 
torque 
(Nm)
Tightening 
torque 
(kgfcm)
Tightening 
torque 
(lbft)
M3
Plastic resin
0.6 - 0.8
6 - 8
0.4 - 0.6
M4
Plastic resin
1.0 - 1.2
10 - 12
0.7 - 0.9
MX-7500N  PRODUCT OUTLINE  1 – 1
MX-7500N
Service Manual
 
[1] PRODUCT OUTLINE
1.  System diagram
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MX-ST10
HIGH CAPACITY
STACKER
MX-CA10
PAPER CART
MX-CA10
PAPER CART
MX-ST10
HIGH CAPACITY
STACKER
MX-FD10
FOLDING UNIT
MX-RB13
RELAY UNIT
MX-PN13
A/B/C/D
PUNCH
MODULE
MX-FN22
SADDLE STTICH
FINISHER
MX-FN21
FINISHER
MX-TM10
TRIMMING
MODULE
MX-FD10
FOLDING UNIT
MX-RB13
RELAY UNIT
MX-PN13
A/B/C/D
PUNCH
MODULE
MX-FN22
SADDLE STTICH
FINISHER
MX-FN21
FINISHER
MX-TM10
TRIMMING
MODULE
MX-PN13
A/B/C/D
PUNCH
MODULE
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*1: Option for 2nd MX-LC13
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TopPage
1
: ‘13/Nov
1
1
MX-7500N  PRODUCT OUTLINE  1 – 2
2.  Option list
*1: Option for North America.
*2: Standard for North America and Europe.
*3: Standard for North America.
 
Model name
Name
MX-6500N
MX-7500N
Remarks
Paper feed system
MX-LC12
LARGE CAPACITY TRAY
OPT
A4
MX-LCX3N
LARGE CAPACITY TRAY
OPT
A3
MX-MF10
MULTI BYPASS TRAY
OPT
For Main unit
MX-LT10
LONG PAPER FEEDING TRAY
OPT
MX-LC13
LARGE CAPACITY TRAYS
OPT
A3
MX-RB14
PAPER PASS UNIT
OPT
For large capacity trays
MX-RB17
CONNECTION MODULE
OPT
For large capacity trays
MX-MF11
MULTI BYPASS TRAY
OPT
For large capacity trays
Paper exit system
MX-TR14
EXIT TRAY UNIT
OPT
MX-TU14
EXIT TRAY CABINET
OPT(*3)
Cannot install the MX-TU14 and the MX-RB12 
concurrently.
MX-RB12
PAPER PASS UNIT
OPT
Cannot install the MX-RB12 and the MX-TU14 
concurrently.
MX-RB13
RELAY UNIT
OPT
For 100 sheets binding
MX-FN21
FINISHER
OPT
100 sheets binding
MX-FN22
SADDLE STITCH FINISHER
OPT
100 sheets binding/saddle 25 sheets binding
MX-PN13A
PUNCH MODULE
OPT
For 100 sheets binding
MX-PN13B
PUNCH MODULE
OPT
For 100 sheets binding
MX-PN13C
PUNCH MODULE
OPT
For 100 sheets binding
MX-PN13D
PUNCH MODULE
OPT
For 100 sheets binding
MX-TM10
TRIMMING MODULE
OPT
For 100 sheets binding saddle
MX-CF11
INSERTER
OPT
MX-ST10/
CA10
HIGH CAPACITY STACKER/PAPER CART
OPT
MX-RB15
CURL CORRECTION UNIT
OPT
MX-FD10
FOLDING UNIT
OPT
MX-GBX2
GBC PUNCH UNIT
OPT (Local)
MX-BM50
PRODUCTION BOOKLET MAKER
OPT (Local)
MX-CF50
COVER FEEDER
OPT (Local)
MX-TM50
TRIMMER
OPT (Local)
MX-FD50
SQUARE FOLD
OPT (Local)
MX-XB50
RAIL UNIT
OPT (Local)
Printer expansion
MX-PUX1
XPS EXPANSION KIT
OPT
EFI
MX-PE10
Fiery Server
OPT (Local)
MX-PX10
Interface Kit
OPT
Image send expansion
MX-PF10
BARCODE FONT KIT
OPT
AR-SU1
STAMP UNIT
OPT
MX-EB11
ENHANCED COMPRESSION KIT
OPT
Authentication/
Security
MX-FR43U
DATA SECURITY KIT
OPT
Non-authentication version
MX-EC50
CARD SOLUTION KIT
OPT(*1)
Option set for North America.
MX-EB15
MIRRORING KIT
OPT
Application/
Solution
MX-AMX1
APPLICATION INTEGRATION MODULE
OPT
MX-AMX2
APPLICATION COMMUNICATION MODULE
OPT(*3)
Standard for North America.
MX-AMX3
EXTERNAL ACCOUNT MODULE
OPT(*2)
MX-AM10
WEB BROWSING EXPANSION KIT
OPT(*3)
Standard for North America.
Others
MX-KB16
KEYBOARD
OPT(*3)
Standard for North America.
MX-SL10 N
STATUS INDICATOR
OPT
MX-SCX1
STAPLE CARTRIDGE
OPT
For saddle staple (100 sheets saddle finisher)
MX-SCX2
STAPLE CARTRIDGE
OPT
For staple 
(100 sheets saddle finisher / 100 sheets finisher)
AR-SV1
STAMP CARTRIDGE
OPT
TopPage
1
: ‘13/Nov
1
MX-7500N  SPECIFICATIONS  2 – 1
MX-7500N
Service Manual
 
[2] SPECIFICATIONS
1. Basic specifications
A. Engine Specification
B. Engine speed (ppm)
(1)
Tray 1 - 4, LCC, LCT
Plain Paper
Heavy Paper 1/2 (Low speed 1)
Photo-conductor 
kind
OPC (Diameter: Black: 
50mm Color (Y/M/C): 
50mm x3 lines)
Copying method
Electronic photo (Laser)
Developing system
Dry, 2-component magnetic brush development
Developer refresh system
Charging system
Charged saw-tooth method
Transfer system
Intermediate/secondary transfer belt
Separation system
Natural separation method 
* Sub separation claw is equipped.
Cleaning system
Counter blade
Fusing system
Belt method
Waste toner 
disposal
No toner recycling system / Waste toner bottle 
system
Toner supply during 
operation
Enabled
Outer Color
Pastel white, natural wave design
Recommended 
Paper
HAMMERMILL Laser Print (24lb)
Mondi Color Copy (90g)
Paper
Paper Tray
75cpm machine
65cpm machine
Mono
Color
Mono
Color
13X19.2(19)
LCT/A3LCC/LCT MFT
38
38
34
34
A4LCC
N/A
N/A
N/A
N/A
Tray3 to 4
N/A
N/A
N/A
N/A
A3W
LCT/A3LCC/LCT  MFT
40
40
36
36
Tray3  to  4
34
34
32
32
A3/11" x 17"/8K
LCT/A3LCC/LCT MFT
42
42
38
38
A4LCC
N/A
N/A
N/A
N/A
Tray3  to  4
36
36
33
33
B4/8.5" x 14"/8.5" x 13"/8.5" x 13.4"/8.5" x 
13.5"
LCT/A3LCC/LCT  MFT
48
48
43
43
Tray3to  4
41
41
37
37
A4/B5/16K
ALL
75
75
65
65
8.5" x 11"
ALL
75
75
65
65
A4R/8.5" x 11"R/B5R/7.25" x 10.5"R/16KR
LCT/LCT MFT
57
57
51
51
Tray3to  4
47
47
43
43
A4R/8.5"  x  11"R
A3LCC
57
57
51
51
A5R/5.5" x 8.5"R
LCT MFT
57
57
51
51
Tray4
47
47
43
43
Extra
Tray1 to 4
34
34
31
31
A4W
LCT/LCT  MFT
69
69
62
62
Tray3to  4
56
56
51
51
Custom size (Sub scanning direction: 297mm 
or less)
LCT/LCT  MFT
57
57
51
51
Tray4
47
47
43
43
Custom size (Sub scanning direction: 297mm 
or more)
LCT/LCT  MFT
37
37
33
33
Tray4
34
34
31
31
Paper
75cpm machine
65cpm machine
Monochrome
Color
Monochrome
Color
13X19.2(19)/Extra
21
21
21
21
A3W/SRA3
22
22
22
22
A3/B4/8K/8.5" x 14"/8.5" x 13.5"/8.5" x 13.4"/8.5" x 13"/11" x 17"
23
23
23
23
A4/B5/16K/A5R/8.5" x 11"/5.5" x 8.5"R
38
38
38
38
A4R/8.5" x 11"R/16KR/B5R/7.25" x 10.5"R
31
31
31
31
SRA4/A4W
37
37
37
37
Custom size (Sub scanning direction: 297mm or less)
31
31
31
31
Page of 127
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