MX-3114N MAINTENANCE 9 – 11
5 LSU section LSU 1 Dust-proof
glass
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– 
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 – 
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Use the LSU cleaning
rod.
Other 2 Cleaning
base
✕ Replace every time the waste toner box is
replaced.
Attached to the waste
toner box. (2 pcs.) /
Replace when the
waste toner box is
replaced, or at 100K, or
2 years of use.
6 Manual
paper feed
section
Manual paper
feed unit
1 Paper feed
roller
✕  – – Replace at 100K of the
manual paper feed
counter or 1 year of use.
2 Separation
roller
✕  – – 
3 Torque
limiter
✕✕– ✕✕✕– ✕✕
4 Transport
roller 9
✕  – – 
5 Transport
roller 10
✕  – – 
6 Sensors ✕✕– ✕✕✕– ✕✕
– Paper
guides
– – Clean with alcohol.
7 Tray paper
feed section
Tray paper
feed unit
1 Paper
pickup roller
✕  – – Replace at 100K of the
tray paper feed counter
or 1 year of use.
2 Paper feed
roller
✕  – – 
3 Separation
roller
✕  – – 
4 Transport
roller 4
✕
 – – 
5 Transport
roller 2
✕  – – 
6 Torque
limiter
✕✕– ✕✕✕– ✕✕
7 Sensors ✕✕– ✕✕✕– ✕✕
– Paper
guides
– – Clean with alcohol.
8 Paper
registration
section
(paper
transport
section)/
Paper exit
section/ADU
section
PS unit 1 Registration
roller (idle)
✕  – – 
2 Registration
roller (drive)
✕  – – 
3 Transport
roller 5
✕  – – 
4 Sensors ✕✕– ✕✕✕– ✕✕
Right door unit 5 Transport
roller 7
✕  – – 
6 Transport
roller 8
✕  – – 
7 Paper exit
roller 3
✕  – – 
8 Paper exit
roller 2
✕  – – 
9 Discharge
brush
✕✕
– ✕✕✕– ✕✕
10 Sensors ✕✕– ✕✕✕– ✕✕
Fusing rear
unit
11 Transport
roller 6
✕  – – 
Paper exit unit 12 Paper exit
roller 1
✕  – – 
13 Discharge
brush
✕✕– ✕✕✕– ✕✕
14 Sensors – ✕ – ✕✕✕– ✕✕
Other 15 Paper dust
removing
unit
– – 
– Paper
guides
– – Clean with alcohol.
Section/
Unit work
sequence
Section name Unit name
Parts work
sequence
Part name
When
calling
200
K
300
K
400
K
600
K
800
K
900
K
1000
K
1200
K
Remark