DOWNLOAD Sharp AR-M550 (serv.man13) Service Manual ↓ Size: 7.63 MB | Pages: 26 in PDF or view online for FREE

Model
AR-M550 (serv.man13)
Pages
26
Size
7.63 MB
Type
PDF
Document
Service Manual
Brand
Device
Copying Equipment / (6c) Drive section, Filters, PWB section, Power section, Fan motors, Sensors and Switches
File
ar-m550-sm13.pdf
Date
PREV: Sharp AR-M550 (serv.man12) Service Manual

Sharp AR-M550 (serv.man13) Service Manual ▷ View online

AR-M550/M620  DETAILS OF EACH SECTION  6 - 146
a-2. Ozone filter
a-3. Toner filter
1) Remove the rear cabinet. (See “a-1. Ozone filter” in this section)
2) Remove the DV filter box.
3) Remove the ozone filer (A) and the toner filter (B).
10. PWB section
A. Maintenance and parts replacement
(2) Maintenance and parts replacement
(Replacement parts)
a-1. PCU FLASH PWB
1) Remove the ROM cover. Release the lock and remove the PCU
Flash PWB. 
a-2. PCU PWB
1) Remove the rear cabinet.
A
B
No.
Parts
a
1
PCU FLASH PWB
2
PCU PWB
3
Driver PWB
4
Mother PWB
5
Controller cooling fan motor
6
HDD cooling fan motor
7
HDD
8
Soft NIC PWB
9
MFP FLASH ROM PWB
10
MFP controller PWB
a-7
a-10
a-9
a-8
a-1
a-4
a-6
a-3
a-5
a-2
AR-M550/M620  DETAILS OF EACH SECTION  6 - 147
2) Disconnect the connector, and remove the PCU PWB.
a-3. Driver PWB
1) Remove the rear cabinet and the rear cabinet upper.
2) Disconnect the connector, and remove the harness clamp and the
SCAN harness cover.
3) Remove the connector and the harness clamp. Remove the driver
PWB unit.
4) Remove the driver PWB.
a-4. Mother PWB
1) Remove the driver PWB unit. (See “a-3. Driver PWB” in this sec-
tion)
2) Remove the harness, and remove the mother PWB stay.
3) Disconnect the connector and remove the mother PWB unit. 
4) Remove the mother PWB.
AR-M550/M620  DETAILS OF EACH SECTION  6 - 148
a-5. Controller cooling fan motor
1) Remove the driver PWB unit. (See “a-3. Driver PWB” in this sec-
tion)
2) Disconnect the connector and remove the harness clamp. Remove
the controller cooling fan motor unit.
3) Remove the controller cooling fan motor.
a-6. HDD cooling fan motor
1) Remove the rear cabinet and the rear cabinet upper. (See “a-3.
Driver PWB” in this section)
2) Disconnect the connector, and remove the harness clamp.
Remove the HDD cooling fan motor unit.
3) Disconnect the connector, and remove the HDD cooling fan motor.
a-7. HDD
1) Remove the cooling fan motor unit. (See “a-5. Controller cooling
fan motor” in this section)
2) Disconnect the connector, and remove the HDD unit.
3) Remove the HDD slide plate, and remove the HDD mounting plate
from the HDD.
a-8. Soft NIC PWB
1) Pull out the multi manual paper feed tray unit, and remove the
manual paper feed cover F.
2) While pressing the lower part, remove the right cabinet middle.
AR-M550/M620  DETAILS OF EACH SECTION  6 - 149
3) Remove the right cabinet upper.
4) Pull out the NIC control unit.
5) Remove the soft NIC PWB unit.
6) Remove the soft NIC PWB angle from the soft NIC PWB.
a-9. MFP FLASH ROM PWB
1) Pull out the NIC control unit. (See “a-8. Soft NIC PWB” in this sec-
tion)
2) Release the lock, and remove the MFP Flash PWB.
a-10. MFP controller PWB
1) Remove the manual feed cover F, the right cabinet middle, and the
right cabinet upper. (See “a-8. Soft NIC PWB” in this section)
2) Pull out the NIC control unit, and remove the flat cable. Release
the lock, and remove the NIC control unit.
3) Remove the Soft NIC PWB unit.
4) Remove the PWB protection plate. Remove the MFP controller
PWB.
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