Sharp MX-6500N / MX-7500N (serv.man23) Service Manual ▷ View online
MX-7500N MAINTENANCE 9 – 13
B. Scanner section
X: Check (Clean, replace, or adjust according to necessity.)
O: Clean
: Replace
: Adjust
: Lubricate
Unit
No.
Maintenance parts
When
calling
Every
200K
Every
300K
Every
400K
Every
600K
Every
1500K
Remark
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.
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
12
4
5
5
7
9
3
2
6
8
11
6
1
10
3
MX-7500N MAINTENANCE 9 – 14
C. Tray paper feed section
X: Check (Clean, replace, or adjust according to necessity.)
O: Clean
: Replace
: Adjust
: Lubricate
Unit
No.
Maintenance parts
When
calling
200K
300K
400K
600K
1500K
3000K
Remark
Tandem paper feed
tray
tray
1
Paper pickup roller
X
O
Replace according to each paper feed
counter value: Replace at 200K or after
one-year use.
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
counter value: 800K
5
Sensors
X
X
For the reflection-type sensor, the
other side must be also cleaned.
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
Tray paper feed
unit
unit
6
Paper pickup roller
X
O
Replace according to each paper feed
counter value: Replace at 100K or after
one-year use.
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
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.
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.
other side must be also cleaned.
MX-7500N MAINTENANCE 9 – 15
6
7
10
11
8
5
4
9
12
12
5
1
2
3
3
2
1
6
7
10
11
8
9
12
12
13
13
4
5
MX-7500N MAINTENANCE 9 – 16
D. Manual paper feed section
X: Check (Clean, replace, or adjust according to necessity.)
O: Clean
: Replace
: Adjust
: Lubricate
Unit
No.
Maintenance parts
When
calling
200K
300K
400K
600K
1500K
3000K
Remark
Manual paper feed
unit
unit
1
Paper pickup roller
X
O
Replace according to each paper feed
counter value: Replace at 100K or after
one-year use.
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
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.
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
1
2
5
6
4
3
6
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