DOWNLOAD Sharp AR-M351U / AR-M451U (serv.man15) Service Manual ↓ Size: 2.64 MB | Pages: 10 in PDF or view online for FREE

Model
AR-M351U AR-M451U (serv.man15)
Pages
10
Size
2.64 MB
Type
PDF
Document
Service Manual
Brand
Device
Copying Equipment / Maintenance details of following sections, 9-Filter, 10-Drive Section, 11-Power section, 12-PWB, 13-Fan Motor.
File
ar-m351u-ar-m451u-sm15.pdf
Date
PREV: Sharp AR-M351U / AR-M451U (serv.man14) Service Manual

Sharp AR-M351U / AR-M451U (serv.man15) Service Manual ▷ View online

AR-M351U/M451U, AR-M355U/M455U  MAINTENANCE AND DETAILS OF EACH SECTION  7 - 71
a-3. Relay PWB
1) Remove the power unit.
2) Remove the connector and the bushing, and remove the filter
PWB mounting plate.
3) Remove the connector and the PWB supporter, and remove
the relay PWB.
b-1. Main switch
1) Pull out the No. 1 paper feed tray unit, and push up and
remove the front door.
2) Release the lock, and pull out the left door. Remove the
screw, and remove the front cover right.
3) Remove the screw, and remove the main switch mounting
plate.
4) Remove the connector, and remove the main switch.
b-2. Cooling fan motor
1) Remove the power unit.
2) Remove the connector and the screw, and remove the duct
holding cover.
3) Remove the screw, and remove the cooling fan motor.
∗
When installing the fan, check the indication arrow and note the
fan direction.
AR-M351U/M451U, AR-M355U/M455U  MAINTENANCE AND DETAILS OF EACH SECTION  7 - 72
b-3. Fuse PWB
1) Remove the screw, and remove the rear cabinet.
2) Remove the connector and the screw, and remove the inlet
mounting plate.
3) Remove the connector and the screw, and remove the fuse
PWB.
b-4. High voltage PWB
1) Remove the rear cabinet.
2) Remove the connector and the screw, and remove the PCU
PWB unit.
3) Remove the connector and the screw, and remove the high
voltage PWB.
12. PWB
A. Maintenance and parts replacement
a-1. MFP controller PWB
1) Remove the screw, and pull out the MFP controller PWB unit.
2) Remove the connector.
No.
Unit
Parts
a
1
MFP controller PWB
2
HDD (Option)
3
PCU PWB
4
Mother PWB
a-3  
 
a-4
a-2
a-1
AR-M351U/M451U, AR-M355U/M455U  MAINTENANCE AND DETAILS OF EACH SECTION  7 - 73
3) Release the lock, and remove the MFP controller PWB unit.
4) Remove the screw, and remove the MFP controller PWB.
a-2. HDD (Option)
1) Remove the screw, and remove the right cabinet.
2) Remove the screw, and remove the HDD cover.
3) Remove the connector, and remove the screw.
4) Pull out the HDD unit.
5) Remove the screw, and remove the HDD cover.
6) Remove the screw, and remove the HDD angle.
a-3. PCU PWB
1) Remove the screw, and remove the rear cabinet.
AR-M351U/M451U, AR-M355U/M455U  MAINTENANCE AND DETAILS OF EACH SECTION  7 - 74
2) Remove the connector and the screw, and remove the PCU
PWB.
∗
When replacing the PCU PWB, replace the EEPROM on the
PCU PWB which is to be replaced.
a-4. Mother PWB
1) Remove the fusing unit.
2) Remove the paper exit reverse unit.
3) Remove the front cover right.
4) Remove the HDD cover. 
5) Remove the MFP controller PWB unit.
6) Remove the cooling duct.
7) Remove the controller duct.
8) Remove the screw and the connector, and remove the main
duct, the sub duct, and the box cooling duct lower.
9) Remove the screw, and remove the controller box upper.
10) Remove the screw, and remove the mother PWB.
13. Fan motor
A. Maintenance and parts replacement
a-1. Controller cooling fan motor 1
a-2. Controller cooling fan motor 2
1) Pull out the left door.
No.
Unit
Parts
a
1
Controller cooling fan motor 1
2
Controller cooling fan motor 2
3
Ozone exhaust fan motor
a-3
a-2
a-1
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