DOWNLOAD Sharp MX-M350N / MX-M350U / MX-M450N / MX-M450U (serv.man12) Service Manual ↓ Size: 9.44 MB | Pages: 76 in PDF or view online for FREE

Model
MX-M350N MX-M350U MX-M450N MX-M450U (serv.man12)
Pages
76
Size
9.44 MB
Type
PDF
Document
Service Manual
Brand
Device
Copying Equipment / Maintenance
File
mx-m350n-mx-m350u-mx-m450n-mx-m450u-sm12.pdf
Date

Sharp MX-M350N / MX-M350U / MX-M450N / MX-M450U (serv.man12) Service Manual ▷ View online

MX-M350/M450 N/U  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 a
Ground Strap to prevent damage caused by electrical dis-
charge.
[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
Cleaner blade
Replace at 200K or 1 year.
P/G No.: [10]-49
Toner reception seal
P/G No.: [10]-42
Side molt F
P/G No.: [10]-33
Side molt R
P/G No.: [10]-37
Transfer roller
P/G No.: [5]-8
Discharge plate
P/G No.: [5]-2
TR bearing (F/R)
P/G No.: [5]-9, 18
Transfer roller collar
P/G No.: [5]-10
After-transfer star ring
P/G No.: [5]-19
TR gear
P/G No.: [5]-15
Drum separation pawl unit
P/G No.: [5]-501
MC unit
Includes the screen grid, the 
charging plate, and the MC 
cleaner. 
❍: Charging plate cleaning by 
the MC cleaner
P/G No.: [9]-901
Paper guide
Developing 
section 
Developer
Supplied when installing
DV blade
P/G No.: [11]-55
DSD collar
DV side seal F
P/G No.: [11]-38
DV side seal R
P/G No.: [11]-43
Toner  cartridge
Attached when installing./
750g, user replacement for every 
35K.
Fusing section 
Upper heat roller
P/G No.: [7]-46
Lower heat roller
P/G No.: [7]-22
Upper separation pawl
P/G No.: [7]-3
Lower separation pawl
P/G No.: [7]-41
Thermistor
Clean and remove paper dust.
Upper heat roller gear
P/G No.: [7]-47
Paper guides
Gears
CL roller
P/G No.: [7]-52
CL roller bearing
P/G No.: [7]-53
Filters
Ozone filter
P/G No.: [12]-2
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
P/G No.: [14]-51
Optical reflection sensor
PS roller unit section
Drive section
Gears (Specified position)
Belts
Image quality
Other
Sensors
Clean with air.
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 year
MX-M350/M450 N/U  MAINTENANCE AND DETAILS OF EACH SECTION  7 - 2
2. Scanner / DSPF
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
Optical 
section
Mirror/Lens/Reflector/Sensors
Table glass/Dust-proof glass/OC
White reference glass
Rails
Drive belt/Drive wire/Pulley
DSPF
Paper feed 
section
Pick-up roller
Note 2
Paper feed roller
Note 2
Separation mylar lower
Note 2
Separation pad
Note 2
Transport section PS roller
Exposure section 
(Dust-proof glass)
Paper exit 
section
Paper exit roller
Other
Sensors
Clean with air.
Note 2: Replacement reference: Replace by using the SPF counter value as an indication.
Paper feed section pickup roller, paper feed roller, separation pad, separation lower mylar lower: 
100K or 1 year
MX-M350/M450 N/U  MAINTENANCE AND DETAILS OF EACH SECTION  7 - 3
3. Peripheral devices
Maintenance cycle : 50K
✕ Check (Clean, replace, or adjust as necessary.) ❍ Clean
▲ Replace
 Adjust
✩ Lubricate
❏ Move position
Option name
Part name
When 
calling
100K 200K 300K 400K 500K 600K 700K 800K
Remark
Finisher
Transport section
Transport rollers
De-curler roller
(❍)✕
Transport paper 
guides
Drive section
Gears
(Specified position)
Belts
Other
Sensors
Discharge brush
Staple unit
Replace unit 
at 200K staple.
Staple cartridge
User replacement 
for every 3000 pcs.
Mail-bin
stacker
Transport section
Transport rollers
Transport paper 
guides
Drive section
Gears
(Specified position)
Belts
Other
Sensors
Discharge brush
Saddle finisher, 
punch unit
Transport section
Transport rollers
Transport paper 
guides
Drive section
Gears
(Specified position)
Belts
Other
Sensors
Discharge brush
Staple unit
Replace unit at 300K 
staple.
Staple cartridge
User replacement 
for every 5000 pcs.
Punch unit
Replace unit at 
1000K.
ADU
+ Manual feed
Paper feed 
separation section
Paper feed 
rollers
(❍)✕
(❍)✕ (❍)✕ (❍)✕ (❍)✕ (❍)✕ (❍)✕ (❍)✕ (❍)✕ Note 3
Transport section
Transport rollers
Transport paper 
guides
Drive section
Gears
(Specified position)
Belts
Other
Sensors
Note 3: Replacement reference: Use the counter value of each paper feed port as the replacement reference.
Paper feed section pickup roller, paper feed roller, separation pad: 100K or 1 year
MX-M350/M450 N/U  MAINTENANCE AND DETAILS OF EACH SECTION  7 - 4
[DETAILS OF EACH SECTION]
1. Process section
A. General
Toner is attached to electrostatic latent images formed by the laser
beams which were radiated to the OPC drum charged by the main
charger, forming toner images. 
The toner images formed on the OPC drum are transferred to
paper by the transfer roller.
1
2
4
5
3
No.
Name
Operation
1
Toner cartridge
Supplies toner to the developing unit, and collects waste toner.
2
Developer unit
Mixes toner and carrier, and attaches toner to electrostatic latent images to form visible images.
3
Transfer roller
Transfers toner to the paper.
4
Process drum unit
The electrostatic image formed by the laser on the drum comes in contact with the developer to 
form the visible image on the OPC drum.
5
Main charger unit
Charges the drum evenly with a negative charge.
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Sharp MX-M350N / MX-M350U / MX-M450N / MX-M450U (serv.man12) Service Manual ▷ Download

  • DOWNLOAD Sharp MX-M350N / MX-M350U / MX-M450N / MX-M450U (serv.man12) Service Manual ↓ Size: 9.44 MB | Pages: 76 in PDF or view online for FREE
  • Here you can View online or download the Service Manual for the Sharp MX-M350N / MX-M350U / MX-M450N / MX-M450U (serv.man12) in PDF for free, which will help you to disassemble, recover, fix and repair Sharp MX-M350N / MX-M350U / MX-M450N / MX-M450U (serv.man12) Copying Equipment. Information contained in Sharp MX-M350N / MX-M350U / MX-M450N / MX-M450U (serv.man12) Service Manual (repair manual) includes:
  • Disassembly, troubleshooting, maintenance, adjustment, installation and setup instructions.
  • Schematics, Circuit, Wiring and Block diagrams.
  • Printed wiring boards (PWB) and printed circuit boards (PCB).
  • Exploded View and Parts List.