DOWNLOAD Sharp MX-6500N / MX-7500N (serv.man23) Service Manual ↓ Size: 4.5 MB | Pages: 32 in PDF or view online for FREE

Model
MX-6500N MX-7500N (serv.man23)
Pages
32
Size
4.5 MB
Type
PDF
Document
Service Manual
Brand
Device
Copying Equipment / Section 9 Maintenance
File
mx-6500n-mx-7500n-sm23.pdf
Date

Sharp MX-6500N / MX-7500N (serv.man23) Service Manual ▷ View online

MX-7500N  MAINTENANCE  9 – 4
3. Maintenance list
X: Check (Clean, replace, or adjust according to necessity.)
O: Clean
: Replace
: Adjust
 : Lubricate
Section
Unit
No.
Maintenance parts
When 
calling
200K
300K
400K
600K
2000K
3000K
Remark
DSPF 
section
Document 
feed tray unit
1
Sensors
X
X
For the reflection-type sensor, the 
other side must be also cleaned.
Document 
feed unit
2
Document pickup roller
O
O
Replace according to each paper 
feed counter value: Replace at 100K 
or after one-year use.
3
Paper feed roller
O
O
4
Sensors
X
X
For the reflection-type sensor, the 
other side must be also cleaned.
Lamp unit
5
Second scan section, 
scanning glass
O
O
6
Reflector
O
O
7
Scanner lamp
O
O
Air-blow the LED section.
Optical unit
8
Mirror
O
O
9
Lens
O
O
10
CCD
O
O
DSPF unit
11
Separation roller
O
O
Replace according to each paper 
feed counter value: Replace at 100K 
or after one-year use.
12
Torque limiter
X
X
Replace according to each paper 
feed counter value: 800K
13
No. 1 registration roller
O
O
14
Transport roller 1
O
O
15
No. 2 registration roller
O
O
16
Transport roller 2
O
O
17
Transport roller 3
O
O
18
Paper exit roller
O
O
19
No. 1 scanning plate
O
O
20
No. 2 scanning section 
white reference glass
O
O
21
Discharge brush
X
X
Replacement reference: 
When the brush bundle is 
remarkably deformed.
22
OC mat
O
O
23
Sensors
X
X
For the reflection-type sensor, the 
other side must be also cleaned.
Drive unit
24
Gears
X
X
Apply to the specified position as 
needed when checking. 
(UKOG-0299FCZZ)
25
Belts
-
X
Transport 
drive unit
26
Belts
-
X
Scanner 
section
Scanner unit
1
Table glass
O
O
2
SPF  glass
O
O
3
Rails
Apply to the specified position.
4
Drive  belt
X
X
5
Drive wire
X
X
6
Sensors
X
X
For the reflection-type sensor, the 
other side must be also cleaned.
Lamp unit
7
Mirror
O
O
8
Reflector
O
O
9
Scanner lamp
O
O
Air-blow the LED section.
Mirror unit
10
Mirror
O
O
CCD unit
11
Lens
O
O
12
CCD
O
O
Tray 
paper 
feed 
section
Tandem 
paper feed 
tray
1
Paper pickup roller
X
O
Replace according to each paper 
feed counter value: Replace at 200K 
or after one-year use.
2
Paper feed roller
X
O
3
Separation roller
X
O
4
Torque limiter
X
X
Replace according to each paper 
feed counter value: 800K
5
Sensors
X
X
For the reflection-type sensor, the 
other side must be also cleaned.
-
Solenoid(T1PUS)
X
X
Replace every 3000K.
-
Solenoid(T1PUS)
X
X
Replace every 3000K.
-
Transport paper guides
O
O
MX-7500N  MAINTENANCE  9 – 5
Tray 
paper 
feed 
section
Tray paper 
feed unit
6
Paper pickup roller
X
O
Replace according to each paper 
feed counter value: Replace at 100K 
or after one-year use.
7
Paper feed roller
X
O
8
Separation roller
X
O
9
Torque limiter
X
X
Replace according to each paper 
feed counter value: 800K
10
Transport roller 9, 10
X
O
11
Transport roller 2, 3
X
O
12
Sensors
X
X
For the reflection-type sensor, the 
other side must be also cleaned.
-
Solenoid(C3PUS)
X
X
Replace every 2000K.
-
Solenoid(C4PUS)
X
X
Replace every 2000K.
-
Transport paper guides
O
O
Paper feed 
tray
13
Sensors
X
X
For the reflection-type sensor, the 
other side must be also cleaned.
Manual 
paper 
feed 
section
Manual 
paper feed 
unit
1
Paper pickup roller
X
O
Replace according to each paper 
feed counter value: Replace at 100K 
or after one-year use.
2
Paper feed roller
X
O
3
Separation roller
X
O
4
Torque limiter
X
X
Replace according to each paper 
feed counter value: 800K
5
Transport roller 8
X
O
6
Sensors
X
X
For the reflection-type sensor, the 
other side must be also cleaned.
7
Gate Solenoid
X
X
Replace every 3000K.
8
Pick up Solenoid
X
X
Replace every 3000K.
-
Transport paper guides
O
O
Paper 
transport 
section
Interface unit
1
Transport roller 6
X
O
X
2
Transport roller 7
X
O
X
-
Follower roller
X
O
X
3
Sensors
X
X
X
For the reflection-type sensor, the 
other side must be also cleaned.
-
Transport paper guides
O
O
Right vertical 
transport 
unit
4
Sensors
X
X
For the reflection-type sensor, the 
other side must be also cleaned.
-
Transport paper guides
O
O
-
Follower roller
X
O
X
Vertical 
transport 
unit
5
Transport roller 11
X
O
6
Transport roller 12
X
O
-
Follower roller
X
O
X
7
Sensors
X
X
For the reflection-type sensor, the 
other side must be also cleaned.
-
Transport paper guides
O
O
LCC 
transport 
unit
8
Transport roller 14
X
O
9
Transport roller 15
X
O
10
Transport roller 16
X
O
-
Follower roller
X
O
X
11
Sensors
X
X
For the reflection-type sensor, the 
other side must be also cleaned.
-
Transport paper guides
O
O
PS lower 
unit
12
Transport roller 13
X
O
-
Follower roller
X
O
X
-
Transport paper guides
O
O
PS unit
13
Transport roller 17
X
O
14
Registration roller (drive)
X
O
15
Registration roller (idle)
X
O
-
Follower roller
X
O
X
16
Sensors
X
X
For the reflection-type sensor, the 
other side must be also cleaned.
PDFS sensor needs to be cleaned 
by air.
17
Paper dust removing unit
O
-
Transport paper guides
O
O
LSU 
section
LSU
1
Dust-proof glass
O
O
LSU 
cleaning rod
2
Cleaning base
X
Toner supply section
1
Toner cartridge
User replacement for every toner empty.
The storage period is 2 years.
Section
Unit
No.
Maintenance parts
When 
calling
200K
300K
400K
600K
2000K
3000K
Remark
MX-7500N  MAINTENANCE  9 – 6
Developi
ng 
section
Developing 
unit 
(monochrom
e)
1
Developer
X
Replace at 600K or at the specified 
rotation number.
The storage period is 2 years.
2
DV blade
X
X
Replace as needed.
3
DV side seals F/R
X
X
Replace as needed.
4
Toner filter
X
5
Bias pin
X
X
6
Connector
X
X
7
Doctor side seal 
X
X
8
Upper DV Blade 
X
X
9
Developing unit 
Replace every 3000K.
Developing 
unit (color)
1
Developer
X
Replace at 400K or at the specified 
rotation number.
The storage period is 2 years.
2
DV blade
X
X
Replace as needed.
3
DV side seals F/R
X
X
Replace as needed.
4
Toner filter
X
5
Bias pin
X
X
6
Connector
X
X
7
Doctor side seal 
X
X
8
Upper DV Blade 
X
X
9
Developing unit 
Replace every 2000K.
OPC 
drum 
section
OPC drum 
unit 
(monochrom
e)
1
Drum
-
Replace according to the drum 
counter value or when the specified 
rotation number is reached.
The storage period is 3 years.
2
Cleaner blade
-
Recommendable to replace 
according to the blade counter value 
or when the specified rotation 
number is reached.
3
MC unit
X
4
Side seals F/R
-
X
Replace as needed.
5
Toner reception seat
-
X
Replace as needed.
6
Cleaning brush
-
X
Check for clogging of the brush. If 
cleaning cannot delete the trouble, 
replace.
7
DL unit 
(Discharge lamp unit)
-
X
Clean the DL protection cover of the 
light shielding surface as needed.
8
TCDL unit 
(After-transfer discharge 
lamp unit)
-
X
Clean the TCDL protection cover of 
the light shielding surface as 
needed.
9
HP sensor
X
X
Clean as needed.
10
Process suction port 
moltopren
X
X
Clean as needed.
11
Photo conductor Unit
Replace every 3000K.
OPC drum 
unit (color)
1
Drum
-
Replace according to the drum 
counter value or when the specified 
rotation number is reached.
The storage period is 3 years.
2
Cleaner blade
-
Recommendable to replace 
according to the blade counter value 
or when the specified rotation 
number is reached.
3
MC unit
X
4
Side seals F/R
-
X
Replace as needed.
5
Toner reception seat
-
X
Replace as needed.
6
Cleaning brush
-
X
Check for clogging of the brush. If 
cleaning cannot delete the trouble, 
replace.
7
DL unit 
(Discharge lamp unit)
-
X
Clean the DL protection cover of the 
light shielding surface as needed.
8
TCDL unit 
(After-transfer discharge 
lamp unit)
-
X
Clean the TCDL protection cover of 
the light shielding surface as 
needed.
9
HP sensor
X
X
Clean as needed.
10
Process suction port 
moltopren
X
X
Clean as needed.
11
Photo conductor Unit
Replace every 2000K.
Section
Unit
No.
Maintenance parts
When 
calling
200K
300K
400K
600K
2000K
3000K
Remark
MX-7500N  MAINTENANCE  9 – 7
Transfer 
section
Primary 
transfer unit
1
Primary transfer belt
-
When replacing, apply KYNAR 
powder or CKOG-0345DS51(Y 
toner).
2
Primary transfer cleaner 
blade
-
When 300K is reached, replace 
together with the primary transfer 
belt.
3
Primary transfer roller
-
X
Replace as needed.
4
Primary transfer belt 
drive gear
-
X
Replace as needed.
5
Primary transfer belt 
drive roller
-
O
Clean with alcohol.
6
Primary transfer belt 
follower roller
-
O
Clean with alcohol.
7
Primary transfer belt 
tension roller
-
O
Clean with alcohol.
8
Primary transfer idle 
roller
-
O
Clean with alcohol.
9
PTC opposed roller
-
O
Clean with alcohol.
10
Registration backup roller
-
O
Clean with alcohol.
11
Transfer separation pawl
-
Replace together with the primary 
transfer belt.
12
Y auxiliary roller
-
O
Clean with alcohol.
13
Primary transfer cleaner 
seals F/R
-
X
Replace as needed.
14
Primary transfer toner 
reception seal
-
X
Replace as needed.
15
Sensors
X
X
For the reflection-type sensor, the 
other side must be also cleaned.
16
Primary transfer unit
Replace every 3000K.
Transfer 
section
PTC unit
16
Charger wire
-
Do not touch the wire with bare 
hand.
17
PTC cleaner
-
18
PTC cleaner B
-
Registration 
sensor unit
19
Image registration/
density sensor
-
O
20
Sensors
X
X
For the reflection-type sensor, the 
other side must be also cleaned.
Secondary 
transfer unit
21
Secondary transfer belt
-
Never use alcohol or solvents for 
cleaning.
When replacing apply CKOG-
0345DS51(Y toner)
22
Secondary transfer 
cleaner blade
-
When 300K is reached, replace 
together with the secondary transfer 
belt. 
23
Secondary transfer roller
-
X
Replace as needed.
24
Secondary transfer idle 
gear
-
X
Replace as needed.
25
Secondary transfer belt 
drive roller
-
O
Clean with alcohol.
26
Secondary transfer belt 
follower roller
-
O
Clean with alcohol.
27
Secondary transfer blade 
contact roller
-
O
Clean with alcohol.
28
Secondary transfer 
backup roller
-
O
Clean with alcohol.
29
Secondary transfer 
cleaning brush roller
-
O
30
Secondary transfer 
cleaner seals F/R
-
X
Replace as needed.
31
Secondary transfer toner 
reception seal
-
X
Replace as needed.
32
Secondary transfer 
cleaning roller
-
When 300K is reached, replace 
together with the secondary transfer 
belt. 
33
Secondary transfer unit
Replace every 3000K.
Section
Unit
No.
Maintenance parts
When 
calling
200K
300K
400K
600K
2000K
3000K
Remark
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Sharp MX-6500N / MX-7500N (serv.man23) Service Manual ▷ Download

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  • Here you can View online or download the Service Manual for the Sharp MX-6500N / MX-7500N (serv.man23) in PDF for free, which will help you to disassemble, recover, fix and repair Sharp MX-6500N / MX-7500N (serv.man23) Copying Equipment. Information contained in Sharp MX-6500N / MX-7500N (serv.man23) Service Manual (repair manual) includes:
  • Disassembly, troubleshooting, maintenance, adjustment, installation and setup instructions.
  • Schematics, Circuit, Wiring and Block diagrams.
  • Printed wiring boards (PWB) and printed circuit boards (PCB).
  • Exploded View and Parts List.