DOWNLOAD Sharp AR-M351U / AR-M451U (serv.man14) Service Manual ↓ Size: 2.37 MB | Pages: 23 in PDF or view online for FREE

Model
AR-M351U AR-M451U (serv.man14)
Pages
23
Size
2.37 MB
Type
PDF
Document
Service Manual
Brand
Device
Copying Equipment / Maintenance details of following sections, 5-Laser Scanner, 6-Scanner, 7-DSPF, 8-Operation Panel
File
ar-m351u-ar-m451u-sm14.pdf
Date

Sharp AR-M351U / AR-M451U (serv.man14) Service Manual ▷ View online

AR-M351U/M451U, AR-M355U/M455U  MAINTENANCE AND DETAILS OF EACH SECTION  7 - 50
D. Maintenance and parts replacement
(1) Maintenance list
(2) Maintenance and parts replacement
Unit name
Part name
When 
calling
100K 200K 300K 400K 500K 600K 700K 800K
Remark
Scanner 
section
Mirror/Lens/Reflector/Sensors
Table glass/Dust-proof glass/OC
White reference glass
Rails
Drive belt/Drive wire/Pulley
1
3
4
2
1
1
2
4
5
5
No.
Unit
Parts
a
Scanner unit
1
OC
2
Dust-proof glass
3
Table glass
4
White reference glass
5
Mirror
6
Rails
7
Drive wire
8
Pulley
9
Drive belt
10
Scan motor
11
OC open sensor
12
Mirror home position sensor
13
Scanner control PWB
14
Scanner interface PWB
b
Lamp unit
1
Reflector
2
Mirror
3
Lamp
4
Inverter  PWB
c
CCD lens 
PWB unit
1
CCD lens
a-2
a-10
a-11
a-12
a-14
a-13
a-4
a-5
a-6
b-2
b-1
b
a-7
b-3
b-4
a-8
a-8
a-9
a-7
c
a-1
a-3
c-1
a-6
AR-M351U/M451U, AR-M355U/M455U  MAINTENANCE AND DETAILS OF EACH SECTION  7 - 51
a. Scanner unit
a-1. OC
1) Remove the OC cover.
a-2. Dust-proof glass
a-3. Table glass
a-4. White reference glass
1) Remove the table glass holder and the white reference glass
holder, and remove the table glass and the white reference
glass.
a-5. Mirror
1) Remove the table glass.
2) Clean mirror.
a-6. Rails
1) Remove the table glass.
2) Grease up the rails.
a-7. Drive wire
a-8. Pulley
a-9. Drive belt
1) Remove the table glass.
2) Check the drive wire, pulley and drive belt.
a-10. Scan motor
1) Remove the scanner rear cabinet and the rear lower cabinet.
1)
1)
2)
3)
4)
3)
1)
2)
1)
3)
4)
4)
5)
6)
1)
1)
2)
3)
3)
4)
AR-M351U/M451U, AR-M355U/M455U  MAINTENANCE AND DETAILS OF EACH SECTION  7 - 52
2) Pull out the harness from the scanner control PWB. 
3) Remove the scan motor.
a-11. OC open sensor
1) Remove the rear cabinet. 
2) Remove the OC open sensor.
a-12. Mirror home position sensor
1) Remove the rear cabinet. 
2) Remove the mirror home position sensor.
a-13. Scanner control PWB
1) Remove the scanner rear lower cabinet. 
2) Disconnect the connector and earth band, and pull out the
scanner control PWB.
When the scanner control PWB is replaced, the EEPROM must
be replaced.
a-14. Scanner interface PWB
1) Remove the table glass.
2) Remove the PWB cover and the harness cover.
3) Remove the scanner interface PWB.
b. Lamp unit
1) Remove the table glass. 
2) Remove the scan lamp unit.
1)
2)
3)
2)
3)
1)
1)
2)
3)
1)
1)
2)
2)
5)
3)
4)
1)
2)
3)
1)
2)
4)
AR-M351U/M451U, AR-M355U/M455U  MAINTENANCE AND DETAILS OF EACH SECTION  7 - 53
b-1. Reflector
b-1. Mirror
1) Remove the table glass. 
2) Clean the reflector and the mirror.
b-3. Lamp
1) Remove the table glass.
2) Slide the lamp unit base to the notch section. 
3) Flip the notch section Mylar and remove the screw. Slide the
lamp holder to the front side, and remove it upward from the
rear side. Remove the connector.
b-4. Inverter PWB
1) Remove the table glass.
2) Hold with your hand and remove the screw. Remove the con-
nector and remove the inverter PWB.
c. CCD lens PWB unit
1) Remove the table glass. 
2) Remove the dark-box cover.
3) Remove the CCD lens PWB unit.
Note: The CCD lens PWB unit is factory-adjusted before
shipping. 
Since these adjustments cannot be performed in the
market.
Never touch the screws other than screw 2) of the CCD
lens PWB unit. 
1)
1)
1)
1)
1)
2)
2)
3)
1)
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