AR-M280U MAINTENANCE 7-2
B. Engine section
*
For disassembly procedures, refer to the AR-P350/P450 Service Manual.
Maintenance cycle : 80K
Note 2: Replacement reference: Use the counter value of each paper feed port as the replacement reference.
Paper feed roller/Torque limiter section: 80K or 2 years
O Check (Clean, replace, or adjust as necessary.)
X Clean
Replace
Adjust
Lubricate
Move position
Unit name
Part name
When
calling
80k
160k
240k
320k
Remark
Drum peripheral
Drum
Installed when shipping
Cleaner blade
Toner reception seal
Side molt
Transfer roller
X
Discharge plate
X
TR bearing (F/R)
X
X
X
After-transfer star ring
X
X
X
TR gear
X
X
X
Screen grid
(O)X
Drum separation pawl UN
Charger case (M/C)
O
O
O
O
Charging plate
(saw teeth)
(O)X
Developing section
Developer
Supplied when installing
DV blade
DSD collar
O
O
O
O
DV side seal F
DV side seal R
Toner cartridge
Attached when installing./
EX Japan: 814g,
user replacement for every 27K.
Fusing section
Upper heat roller
O
O
Lower heat roller
O
O
Upper separation pawl
X
X
Lower separation pawl
X
X
Thermistor
X
X
X
X
Clean and remove paper dust.
Upper heat roller gear
X
X
Paper guides
O
O
O
O
O
Gears
Cleaning roller
X
X
CL roller collar
Filters
Ozone filter
Paper feed section
Paper feed roller
O
X
X
X
X
Note 2
Torque limiter
X
X
X
X
X
Note 2
Transport section
Paper exit reverse section
PS follower roller
O
O
O
O
O
Transport rollers
O
O
O
O
O
Transport paper guides
O
O
O
O
O
Paper dust remover
Drive section
Gears
(Specified position)
Belts
X
Image quality
X
X
X
X
X
Other
Sensors
X
X
X
X
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