Service manual

AR-M351U/M451U, AR-M355U/M455U MAINTENANCE AND DETAILS OF EACH SECTION 7 - 1
[7] MAINTENANCE AND DETAILS OF EACH SECTION
• Self print of set values
Use of SIM 22-6 allows to print the set values and the jam his-
tory of the machine.
These values must be printed before execution of maintenance
or disassembly procedures.
• When assembling, check that the flat cable and the harness
connectors are securely connected.
• When connecting the flat cable, be careful not to break the pins.
When installing the PWB unit and the memory module, use an
earth band to prevent against breakage by static electricity.
[Maintenance System Table]
1. Engine section
Maintenance cycle : 200K
✕ Check (Clean, replace, or adjust as necessary.) ❍ Clean ▲ Replace ∆ Adjust ✩ Lubricate ❏ Move position
Unit name Part name
When
calling
100K 200K 300K 400K 500K 600K 700K 800K Remark
Drum peripheral Drum ✕▲✕▲✕▲✕▲Replace at 200K or 1 year.
Cleaner blade ✕▲✕▲✕▲✕▲
Toner reception seal ✕▲✕▲✕▲✕▲
Side molt F ✕▲✕▲✕▲✕▲
Side molt R ✕▲✕▲✕▲✕▲
Transfer roller ✕ ✕▲✕▲✕▲✕▲
Discharge plate ✕ ✕▲✕▲✕▲✕▲
TR bearing (F/R) ✕✕✕▲✕✕✕▲
Transfer roller collar ✕✕✕▲✕✕✕▲
After-transfer star ring ✕✕✕✕✕✕✕✕
TR gear ✕ ✕▲✕▲✕▲✕▲
Drum separation pawl unit ✕▲✕▲✕▲✕▲
MC unit ✕ ❍▲❍▲❍▲❍▲Includes the screen grid, the
charging plate, and the MC
cleaner.
❍: Charging plate cleaning by
the MC cleaner
Paper guide ❍ ❍❍❍❍❍❍❍❍
Developing
section
Developer ▲▲▲▲▲▲▲▲Supplied when installing
DV blade ✕▲✕▲✕▲✕▲
DSD collar ❍❍❍❍❍❍❍❍
DV side seal F ✕▲✕▲✕▲✕▲
DV side seal R ✕▲✕▲✕▲✕▲
Toner cartridge ––––––––
Attached when installing./
750g, user replacement for every
35K.
Fusing section Upper heat roller ✕ ✕▲✕▲✕▲✕▲
Lower heat roller ✕ ✕▲✕▲✕▲✕▲
Upper separation pawl ❍ ❍▲❍▲❍▲❍▲
Lower separation pawl ❍ ❍▲❍▲❍▲❍▲
Thermistor ✕ ✕✕✕✕✕✕✕✕Clean and remove paper dust.
Upper heat roller gear ✕▲✕▲✕▲✕▲
Paper guides ❍ ❍❍❍❍❍❍❍❍
Gears ✩✩✩✩✩✩✩✩
CL roller ✕ ✕▲✕▲✕▲✕▲
CL roller bearing ✕ ✕▲✕▲✕▲✕▲
Filters Ozone filter ▲▲▲▲▲▲▲▲
Paper feed
section
Pick-up roller ✕ ✕✕✕✕✕✕✕✕Note 1
Paper feed roller ✕ ✕✕✕✕✕✕✕✕Note 1
Separation roller ✕ ✕✕✕✕✕✕✕✕Note 1
Torque limiter ✕ ✕✕✕✕✕✕✕✕Note 1
Transport section
Paper exit
reverse section
Resist roller ✕ ❍❍❍❍❍❍❍❍
Transport rollers ✕ ❍❍❍❍❍❍❍❍
Transport paper guides ❍ ❍❍❍❍❍❍❍❍
Paper dust remover unit ❍ ❍▲❍▲❍▲❍▲
Optical reflection sensor ❍ ❍❍❍❍❍❍❍❍PS roller unit section
Drive section Gears (Specified position) ✕ ✩✩✩✩✩✩✩✩
Belts ✕ ✕✕✕✕✕✕✕✕
Image quality ✕ ✕✕✕✕✕✕✕✕
Other Sensors ✕✕✕✕✕✕✕✕Cleaning is performed by air
blowing.
Note 1: Replacement reference:Use the counter value of each paper feed port as the replacement reference.
Paper feed roller/Separation pad/Torque limiter section (Include Desk, Multi purpose): 100K or 1 years