Sharp MX-3050N / MX-3060N / MX-3070N / MX-3550N / MX-3560N / MX-3570N / MX-4050N / MX-4060N / MX-4070N (serv.man6) Service Manual ▷ View online
MX-4070V 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 operation
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.
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 develop-
ing unit, strictly observe the following items.
ing unit, strictly observe the following items.
If these items are neglected, a trouble may be generated in the copy
and print image quality.
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.)
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 second-
ary transfer roller.
ary transfer roller.
Developing unit
• Be careful not to leave fingerprints, oil, grease, or other foreign
material on the developing unit.
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.
grooves and use positions.
The table below shows the types of the screws and the tightening
torques depending on the use position.
torques depending on the use position.
When tightening the screws for repair or maintenance, refer to the
table.
table.
However, for the other conditions of tightening screws than specified
on this table, or under special circumstances, the details are described
on the separate page. Refer to the descriptions on such an exception.
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 loosen-
ing.
a current flows, use enough care to tighten securely to avoid loosen-
ing.
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
(N
m)
Tightening
torque
(kgf
cm)
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
(N
m)
Tightening
torque
(kgf
cm)
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
(N
m)
Tightening
torque
(kgf
cm)
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-4070V PRODUCT OUTLINE 1 – 1
MX-4070V
Service Manual
[1] PRODUCT OUTLINE
1. System diagram
MX-3070V
MX-3570V
MX-4070V
MX-3570V
MX-4070V
DIGITAL FULL COLOR
MULTIFUNCTIONAL SYSTEM
MULTIFUNCTIONAL SYSTEM
MX-DE25 N
STAND/550 SHEET
PAPER DRAWER
PAPER DRAWER
MX-DE26 N
STAND/2x550 SHEET
PAPER DRAWER
PAPER DRAWER
MX-DE27 N
STAND/3x550 SHEET
PAPER DRAWER
PAPER DRAWER
MX-LC17 N
LARGE CAPACITY
TRAY
TRAY
MX-LT10
LONG PAPER
FEEDING TRAY
FEEDING TRAY
MX-DE28 N
STAND/550&2100 SHEET
PAPER DRAWER
PAPER DRAWER
MX-TR19 N
EXIT TRAY UNIT
MX-DE29 N
LOW STAND/550
SHEET PAPER
SHEET PAPER
MX-UT10
UTILITY TABLE
MX-TU16
EXIT TRAY CABINET
MX-RB25 N
PAPER PASS UNIT
MX-TR20
JOB SEPARATOR
TRAY
TRAY
MX-FN29
SADDLE STITCH
FINISHER (1K)
FINISHER (1K)
MX-FN28
FINISHER (1K)
MX-FN30
FINISHER (3K)
MX-FN31
SADDLE STITCH
FINISHER (3K)
FINISHER (3K)
MX-FN27 N
INNER FINISHER
MX-PN15
B/C/D
B/C/D
PUNCH
MODULE
MODULE
MX-PN14
B/C/D
B/C/D
PUNCH MODULE
MX-PN16
B/C/D
B/C/D
PUNCH
MODULE
MODULE
MX-3050V
MX-3550V
MX-4050V
MX-3550V
MX-4050V
MX-3060V
MX-3560V
MX-4060V
MX-3560V
MX-4060V
DIGITAL FULL COLOR
MULTIFUNCTIONAL SYSTEM
MULTIFUNCTIONAL SYSTEM
MX-FWX1
INTERNET FAX
EXPANSION KIT
EXPANSION KIT
MX-AMX1
APPLICATION
INTEGRATION MODULE
INTEGRATION MODULE
MX-AMX2
APPLICATION
COMMUNICATION MODULE
COMMUNICATION MODULE
MX-AMX3
EXTERNAL ACCOUNT
MODULE
MODULE
MX-PF10
BARCODE FONT KIT
MX-FX15
FACSIMILE EXPANSION
KIT
KIT
AR-SU1
STAMP UNIT
MX-USX1
SHARPDESK 1 LICENSE
KIT
KIT
MX-USX5
SHARPDESK 5 LICENSE
KIT
KIT
MX-US10
SHARPDESK 10 LICENSE
KIT
KIT
MX-US50
SHARPDESK 50 LICENSE
KIT
KIT
MX-USA0
SHARPDESK 100 LICENSE
KIT
KIT
MX-PK13
PS3 EXPANSION KIT
MX-PU10
DIRECT PRINT EXPANSION
KIT
KIT
MX-EB11
ENHANCED COMPRESSION
KIT
KIT
MX-EB18
WIRELESS LAN ADAPTOR
MX-FR51U/FR52U
DATA SECURITY KIT
MX-4070V PRODUCT OUTLINE 1 – 2
2. Option list
STD: Standard equipment
OPT: Installable option
*1: Option in some area
*2: No support in some area
OPT: Installable option
*1: Option in some area
*2: No support in some area
Model name
Description
MX-3070V
MX-3570V
MX-4070V
MX-3570V
MX-4070V
MX-3060V
MX-3560V
MX-4060V
MX-3560V
MX-4060V
MX-3050V
MX-3550V
MX-4050V
MX-3550V
MX-4050V
Remarks
Document Feed System
―
REVERSING SINGLE PASS FEEDER
―
STD
STD
―
DUPLEX SINGLE PASS FEEDER
STD
―
―
Paper Feed System
MX-DE25 N
STAND/550 SHEET PAPER DRAWER
OPT
OPT
OPT
MX-DE26 N
STAND/2x550 SHEET PAPER DRAWER
OPT
OPT
OPT
MX-DE27 N
STAND/3x550 SHEET PAPER DRAWER
OPT
OPT
OPT
MX-DE28 N
STAND/550&2100 SHEET PAPER DRAWER
OPT
OPT
OPT
MX-DE29 N
LOW STAND/550 SHEET PAPER
OPT
OPT
OPT
MX-LC17 N
LARGE CAPACITY TRAY
OPT
OPT
OPT
MX-LT10
LONG PAPER FEEDING TRAY
OPT
OPT
OPT
Paper Exit System
MX-TR19 N
EXIT TRAY UNIT
OPT
OPT
OPT
MX-TU16
EXIT TRAY CABINET
STD/OPT
STD/OPT
STD/OPT
*1
MX-TR20
JOB SEPARATOR TRAY
OPT
OPT
OPT
MX-FN27 N
INNER FINISHER
OPT
OPT
OPT
MX-PN14B
PUNCH MODULE
OPT
OPT
OPT
For MX-FN27 N
MX-PN14C
OPT
OPT
OPT
MX-PN14D
OPT
OPT
OPT
MX-FN28
FINISHER (1K)
OPT
OPT
OPT
MX-FN29
SADDLE STITCH FINISHER (1K)
OPT
OPT
OPT
MX-RB25 N
PAPER PASS UNIT
OPT
OPT
OPT
MX-PN15B
PUNCH MODULE
OPT
OPT
OPT
For MX-FN28/FN29
MX-PN15C
OPT
OPT
OPT
MX-PN15D
OPT
OPT
OPT
MX-FN30
FINISHER (3K)
OPT
OPT
OPT
MX-FN31
SADDLE STITCH FINISHER (3K)
OPT
OPT
OPT
MX-PN16B
PUNCH MODULE
OPT
OPT
OPT
For MX-FN30/FN31
MX-PN16C
OPT
OPT
OPT
MX-PN16D
OPT
OPT
OPT
Printer Expansion
MX-PK13
PS3 EXPANSION KIT
STD
STD
OPT
MX-PF10
BARCODE FONT KIT
OPT
OPT
OPT
MX-PU10
DIRECT PRINT EXPANSION KIT
STD
STD
OPT
Image Send Expansion
MX-FX15
FACSIMILE EXPANSION KIT
OPT
OPT
OPT
*2
AR-SU1
STAMP UNIT
OPT
OPT
OPT
MX-FWX1
INTERNET FAX EXPANSION KIT
OPT
OPT
OPT
MX-EB11
ENHANCED COMPRESSION KIT
―
―
OPT
Authentication / Security
MX-FR51U
DATA SECURITY KIT
―
―
OPT
MX-FR52U
DATA SECURITY KIT
OPT
OPT
―
Application / Solution
MX-USX1
SHARPDESK 1 LICENSE KIT
OPT
OPT
OPT
MX-USX5
SHARPDESK 5 LICENSE KIT
OPT
OPT
OPT
MX-US10
SHARPDESK 10 LICENSE KIT
OPT
OPT
OPT
MX-US50
SHARPDESK 50 LICENSE KIT
OPT
OPT
OPT
MX-USA0
SHARPDESK 100 LICENSE KIT
OPT
OPT
OPT
MX-AMX1
APPLICATION INTEGRATION MODULE
OPT
OPT
OPT
MX-AMX2
APPLICATION COMMUNICATION MODULE
STD/OPT
STD/OPT
OPT
*1
MX-AMX3
EXTERNAL ACCOUNT MODULE
STD/OPT
STD/OPT
OPT
*1
Other
MX-EB18
WIRELESS LAN ADAPTOR
STD/OPT
STD/OPT
OPT
*2
―
KEYBOARD
STD
STD
―
*2
MX-UT10
UTILITY TABLE
OPT
OPT
OPT
MX-4070V SPECIFICATIONS 2 – 1
MX-4070V
Service Manual
[2] SPECIFICATIONS
1. Basic specifications
A. Engine specification
B. Engine speed (ppm)
(1)
Tray1-4,LCC
(2)
Bypass
C. Printable area
Photo Conductor
OPC (Diameter: Bk: φ30mm, CL (Y/M/C):
φ30mm x3)
φ30mm x3)
Recording method
Electronic Photo (Laser)
Development method
Dry-Type Dual-Component Magnetic Brush
Development
Development
Charging method
Charged Saw-Tooth Method
Transfer method
Middle Transfer Belt
Separation method
Discharge Separation Method
*Sub Separation pawl is equipped.
*Sub Separation pawl is equipped.
Cleaning method
Counter Blade
Fusing method
Belt Method
Waste toner disposal
Toner Collecting Container
Paper size
30 ppm
machine
35 ppm
machine
40 ppm
machine
Mo
no
Co
lor
lor
Mo
no
Co
lor
lor
Mo
no
Co
lor
lor
A3
16
16
18
18
20
20
8K
16
16
18
18
20
20
11x17
16
16
18
18
19
19
B4, 8.5x14, 8.5x13, 8.5x13.4, 8.5x13.5
17
17
20
20
22
22
A4, B5, 8.5x11, 16K, A5
30
30
35
35
40
40
A4R, 16KR, 8.5x11R, B5R, 7.25x10.5R
21
21
23
23
26
26
A5R, 5.5x8.5R
21
21
27
27
29
29
A3W, 12x18
14
14
16
16
18
18
SRA4
25
25
28
28
32
32
SRA3
15
15
16
16
18
18
Extra ( - 210mm) and the length of
horizontal scanning is 257mm and over.
horizontal scanning is 257mm and over.
30
30
35
35
40
40
Extra (210.1 - 215.9mm) and the length of
horizontal scanning is 257mm and over.
horizontal scanning is 257mm and over.
30
30
35
35
40
40
Extra (216 - 225mm) and the length of
horizontal scanning is 257mm and ove.r
horizontal scanning is 257mm and ove.r
25
25
28
28
32
32
Extra ( - 225mm) and the length of
horizontal scanning is less than 257mm.
horizontal scanning is less than 257mm.
21
21
27
27
29
29
Extra (225.1 - 297mm)
21
21
23
23
26
26
Extra (297.1mm - )
14
14
16
16
18
18
Heavy Paper (A3, 11x17, 8K)
15
15
15
15
15
15
Heavy Paper (B4, 8.5x14, 8.5x13,
8.5x13.4, 8.5x13.5)
8.5x13.4, 8.5x13.5)
15
15
15
15
15
15
Heavy Paper (A4, B5, 8.5x11, 16K, A5R,
5.5x8.5R, A5)
5.5x8.5R, A5)
26
26
26
26
26
26
Heavy Paper (A4R, 16KR, 8.5x11R, B5R,
7.25x10.5R)
7.25x10.5R)
21
21
21
21
21
21
Heavy Paper (A3W, 12x18)
14
14
14
14
14
14
Heavy paper (Extra: - 215.9mm)
26
26
26
26
26
26
Heavy paper (Extra:216 - 225mm)
25
25
25
25
25
25
Heavy paper (Extra:225.1 - 297mm)
21
21
21
21
21
21
Heavy paper (Extra:297.1mm - )
14
14
14
14
14
14
Heavy paper (SRA3)
15
15
15
15
15
15
Heavy paper (SRA4)
25
25
25
25
25
25
Paper size
30 ppm
machine
35 ppm
machine
40 ppm
machine
Mo
no
Co
lor
lor
Mo
no
Co
lor
lor
Mo
no
Co
lor
lor
A3
15
15
17
17
19
19
8K
15
15
17
17
19
17
11x17
15
15
17
17
19
17
B4, 8.5x14, 8.5x13, 8.5x13.4, 8.5x13.5
17
17
20
19
21
19
A4, 16K
30
28
35
28
39
28
8.5x11
30
27
35
27
39
27
B5, A5
30
28
35
30
39
30
A4R, 16KR, 8.5x11R
20
20
23
22
25
22
B5R, 7.25x10.5R
20
20
23
22
25
22
A5R, 5.5x8.5R
20
20
27
27
29
27
A3W, 12x18
14
14
16
16
18
16
SRA4
25
25
26
26
30
27
SRA3
14
14
16
16
18
17
OHP (A4,8.5x11)
25
21
25
21
25
21
OHP (A4R,8.5x11R)
20
17
20
17
20
17
Extra
14
14
16
16
18
16
Extra ( - 215.9mm) and the length of
horizontal scanning is 257mm and over.
horizontal scanning is 257mm and over.
30
27
35
27
39
27
Extra (216 - 225mm) and the length of
horizontal scanning is 257mm and over.
horizontal scanning is 257mm and over.
25
25
26
26
30
27
Extra ( - 225mm) and the length of
horizontal scanning is less than 257mm.
horizontal scanning is less than 257mm.
20
20
26
26
29
27
Extra (225.1 - 297mm)
20
20
23
22
25
22
Extra (297.1mm - )
14
14
16
16
18
16
Envelope (Monarch, Com-10, DL, C5)
17
15
17
15
17
15
Heavy Paper (A3, 11x17, 8K)
15
13
15
13
15
13
Heavy Paper (B4, 8.5x14, 8.5x13,
8.5x13.4, 8.5x13.5)
8.5x13.4, 8.5x13.5)
15
13
15
13
15
13
Heavy Paper (A4, 8.5x11, 16K, B5, A5R,
5.5x8.5R, A5)
5.5x8.5R, A5)
25
21
25
21
25
21
Heavy Paper (A4R, 16KR, 8.5x11R, B5R,
7.25x10.5R)
7.25x10.5R)
20
17
20
17
20
17
Heavy Paper (A3W, 12x18)
14
13
14
13
14
13
Heavy Paper (Extra)
14
13
14
13
14
13
Heavy Paper (Extra: - 215.9mm)
25
21
25
21
25
21
Heavy Paper (Extra:216 - 225mm)
25
21
25
21
25
21
Heavy Paper (Extra:225.1 - 297mm)
20
17
20
17
20
17
Heavy Paper (Extra:297.1mm - )
14
13
14
13
14
13
Heavy Paper (Postcard: HIGH)
25
21
25
21
25
21
Heavy Paper (Postcard: LOW)
14
13
14
13
14
13
Heavy Paper (SRA4)
25
21
25
21
25
21
Heavy Paper (SRA3)
14
13
14
13
14
13
Void area
Top: 4
1mm
Rear: 2mm or more, 5mm or less, Total 8mm or less
FR total: 4mm
FR total: 4mm
2mm
Max printable area
319mmx1,292mm
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