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'13/Oct
2
3.Maintenance list
✕: Check (Clean, replace, or adjust according to necessity.) O: Clean : Replace : Adjust ✩: Lubricate
Section name
OPC drum unit
(monochrome)
OPC drum section
OPC drum unit (color)
Developing unit
(monochrome)
Developing section
Developing unit (color)
Toner cartridge BK
Toner cartridge
Toner cartridge CMY
Toner collection
Toner collection container
container
Section
Unit name
name
SPF section
SPF unit
RSPF section
RSPF unit
Scanner
Scanner unit
section
Transfer
Primary
section
transfer unit
Secondary
transfer unit
LSU section
LSU
2
Others
Paper feed
Manual paper
section
feed unit/Tray
paper feed unit
Paper
registration
section
(paper
transport
section)/
Paper exit
section/ADU
section
Drive section
Fusing
Fusing unit
section
Other
Unit name
When
45
calling
K
-
-
-
-
User replacement for every toner empty.
User replacement for every toner empty.
Replaced by the user when full is detected.
Part name
Paper feed roller
Paper pickup roller
Each transport roller
Scan plate
Paper exit roller
Discharge brush
OC mat
Gears
Paper feed roller
Paper pickup roller
Each transport roller
Scan plate
Paper exit roller
Discharge brush
OC mat
Gears
Belts
CIS
Table glass, SPF glass
Rail
Drive belt
Drive gears / pulley
Primary transfer unit
Secondary transfer roller
Dust-proof glass
LSU cleaning unit
Paper feed roller
Separation roller
Torque limiter
Sensors
PS auxilrary roller
Transport rollers
Paper guides
Discharge brush
Gears
Paper dust removing unit
Gears (grease)
Shaft earth sections
conduction grease
Belts
Sensors
Fusing unit
Process registration sensor
Ozone filter
MX-C250 MAINTENANCE 9 – 4
75
90
135
150
180
K
K
K
K
K
-
-
-
-
-
-
-
-
-
-
When
75
150
225
calling
K
K
K
O
O
O
O
O
O
O
O
X
X
X
X
O
O
O
O
X
X
X
X
X
X
X
X
O
O
O
O
X
X
X
X
O
O
O
O
O
O
O
O
X
X
X
X
O
O
O
O
X
X
X
X
X
X
X
X
O
O
O
O
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
-
-
X
-
O
-
X
X
X
X
X
X
O
O
O
X
O
O
O
X
O
O
O
X
X
X
X
X
O
O
O
X
O
O
O
O
O
O
O
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
-
-
X
O
O
O
X
225
270
300
K
K
K
-
-
-
-
-
-
-
-
300
Remark
K
O
Replace when the SPF feed counter reaches
100K or parts are worn.
O
X
O
X
X
O
X
O
Replace when the RSPF feed counter reaches
100K or parts are worn.
O
X
O
X
X
O
X
X
X
Air cleaning on SELFOC lens part.
X
Grease the indicated area with MOLYKOTE
X
EM50-L when checking.
X
X
Replace at 150K or 2 year of use.
Replace as needed
O
X
Replace as needed
O
Replace at 100K of each counter or 1 year of
O
use.
O
X
O
O
O
X
Apply to the specified area when checking.
X
FLOIL GE-676
Apply to the specified area when checking.
X
FLOIL G-313S
Apply to the specified area when checking.
X
FLOIL GE-676
X
X
Replace at 150K or 2 year of use.
Clean when the Fusing unit and the Drum
O
cartridge is replaced.
Replace at 75K
Remarks
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