DOWNLOAD Sharp AR-M550 (serv.man11) Service Manual ↓ Size: 14.16 MB | Pages: 59 in PDF or view online for FREE

Model
AR-M550 (serv.man11)
Pages
59
Size
14.16 MB
Type
PDF
Document
Service Manual
Brand
Device
Copying Equipment / (6a) List of sections, Operation panel section, Paper feed transport duplex exit revserse sections.
File
ar-m550-sm11.pdf
Date
PREV: Sharp AR-M550 (serv.man10) Service Manual

Sharp AR-M550 (serv.man11) Service Manual ▷ View online

AR-M550/M620  DETAILS OF EACH SECTION  6 - 41
a. Relay pass unit
1) Pull out the multi manual paper feed tray unit.
2) Remove the  paper feed tray units 1 and 2. (See “a. Paper feed
tray units 1 and 2” in “(Paper feed tray sections 1 and 2)”
3) Remove the toner cartridge, the OPC drum, and the toner hopper,
and remove the front door.
4) Remove the parts.
5) Disconnect the connector, and remove the relay pass unit.
a-1. Paper guide lock solenoid
1) Remove the relay pass unit. (See “a. Relay pass unit” in this sec-
tion)
2) Disconnect the connector, and remove the paper guide lock sole-
noid unit.
3) Remove the paper guide lock solenoid.
a-2. Lower paper guide unit
1) Remove the relay pass unit. (See “a. Relay pass unit” in this sec-
tion)
2) Remove the metal fixture. 
3) Remove the lower paper guide unit. 
AR-M550/M620  DETAILS OF EACH SECTION  6 - 42
a-3. Paper guides
1) Remove the relay pass unit. (See “a. Relay pass unit” in this sec-
tion)
2) Remove the lower paper guide unit. (See “a-2. Lower paper guide
unit” in this section)
3) Clean the paper guides.
a-4. Transport roller 3 (Drive)
a-5. Transport roller 4 (Drive)
1) Remove the relay pass unit. (See “a. Relay pass unit” in this sec-
tion)
2) Remove lower paper guide unit. (See “a-2. Lower paper guide unit”
in this section)
3) Remove the rear positioning plate, and remove the paper feed port
PG of the paper feed tray 1 and 2.
4) Remove the bearing, the belt, and the relay pass drive shaft unit.
5) Remove the transport roller 3 and 4 (Drive).
6) Remove the E-ring from transport roller 3 and 4 (Drive), and
remove the belt pulley.
a-6. Transport roller 2 (Drive)
1) Remove the relay pass unit. (See “a. Relay pass unit” in this sec-
tion)
2) Remove the lower paper guide unit. (See “a-2. Lower paper guide
unit” in this section)
3) Remove the rear positioning plate, and remove the paper feed PG
of the paper feed tray 1/2. (See “a-4. Transport roller 3 (Drive)” in
this section)
4) Remove the paper entry side upper plate.
5) Remove the E-ring, and remove the gear and the belt pulley.
6) Remove the transport roller 2 (Drive) unit. 
7) Remove the E-ring from the transport roller 2 (Drive). 
AR-M550/M620  DETAILS OF EACH SECTION  6 - 43
a-7. Paper feed tray 2 paper pass detector 1
a-8. Paper feed tray 2 paper pass detector 2
1) Remove the relay pass unit.
2) Check the paper feed tray 2 paper pass detector 1 (A) and the
paper feed tray 2 paper pass detector 2 (B).
b. No. 5 paper feed relay unit
1) Remove the multi paper feed unit. 
2) Remove the No. 5 paper feed relay paper guide.
3) Lift the No. 5 paper feed relay unit, and remove the connector. 
4) Remove the No. 5 paper feed relay unit.
b-1. Manual paper pass detector 2
b-2. No. 5 paper feed paper pass detector
1) Remove the multi manual paper feed unit.
2) Remove the No. 5 paper feed unit.
3) Check the manual paper pass detector 2 (A) and the No. 5 paper
feed paper pass detector (B).
A
B
A
B
AR-M550/M620  DETAILS OF EACH SECTION  6 - 44
[Paper exit and turning section]
A. Outline
The paper transport section serves the function of transferring paper
from each paper feed mouth to the registration roller section. 
Paper from manual feed, paper feed tray units 1 and 2 (optional), and
the right paper feed tray of the paper feed tray units 1 and 2 is trans-
ported horizontally, whereas paper from the left paper feed tray of the
paper feed tray units 1 and 2, paper feed tray 3 and paper feed tray 4
is transported vertically to the registration roller section.
After the leading edge of the paper is synchronized with the leading
edge of the drum image in the registration roller section, the paper that
is transfer printed with the image in the transfer section passes through
the fusing section and is discharged either face-down or face-up.
B. Major parts and signal functions
POD2
INTPWB
1
1
2
2
POD1
POM2
POM1
POD3
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
1
9
8
7
6
5
4
3
2
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
1
9
8
7
6
5
4
3
2
25
26
25
26
12
11
10
9
8
7
6
5
4
3
2
1
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
26
25
24
23
27
28
29
30
31
32
9
8
7
6
5
4
3
2
1
9
8
7
6
5
4
3
2
1
12
11
10
12
11
10
13
14
15
16
17
18
13
14
15
16
17
18
3
2
1
3
2
1
3
2
1
6
5
4
3
2
1
2
1
3
4
5
6
6
5
4
3
2
1
2
1
3
4
5
6
GND2
GND2
GND2
POD1
POD2
POD3
PHR-3
PHR-3
SMR-06V-N/SMP-06V-NC
SMR-06V-N/SMP-06V-NC
+5V2
+5V2
+5V2
/POM2/A
/POM2A
/POM2/B
/POM2B
/POM1/A
/POM1A
/POM1B
/POM1/B
+24V2
+24V2
+24V2
+24V2
CN-4
B26B-PHDSS-B
/POM1A
/POM1XA
/POM1B
/POM1XB
/POM2A
/POM2XA
/POM2B
/POM2XB
/ADM1A
/ADM1XA
/ADM1B
/ADM1XB
/ADM2A
/ADM2XA
/ADM2B
/ADM2XB
/TRMA
/TRMXA
/TRMB
/TRMXB
/VPMA
/VPMXA
/VPMB
/VPMXB
GND2
GND2
B26B-PHDSS-B
/POM1A
/POM1XA
/POM1B
/POM1XB
/POM2A
/POM2XA
/POM2B
/POM2XB
/ADM1A
/ADM1XA
/ADM1B
/ADM1XB
/ADM2A
/ADM2XA
/ADM2B
/ADM2XB
/TRMA
/TRMXA
/TRMB
/TRMXB
/VPMA
/VPMXA
/VPMB
/VPMXB
GND2
GND2
CN-10
CN-1
/POM1/A
/POM1A
/POM2/A
/POM2A
B12B-PH-K-S
/POM1B
/POM1/B
/POM2B
/POM2/B
+24V2
+24V2
+24V2
+24V2
B32B-PHDSS-B
CN-5
GND2
+5V2
POD1
GND2
POD2
+5V2
GND2
POD3
+5V2
+24V1
GND2
+24V1
GND2
+24V1
GND2
+24V1
GND2
+24V
GND2
+24V1
GND2
+24V1
GND2
GND2
TH-EX
/VFM-EX1
/VFM-EX3
/VFM-BKL
/CFM-U2
/CFM-U3
/CFM-U1
/VFM-EX2
PCU PWB
SMP-18V-NC/SMR-18V-N
PHR-3(RED)
DRIVER PWB
DELIVERY UNIT
4
3
2
1
S4B-PH-K-S
(NC)
(NC)
GND2
TH-EX
3
2
2
1
CFM-U1
3
2
2
1
CFM-U3
1
3
1
3
3
2
2
1
3
1
CFM-U4
GND2
+24V1
/CFM-U1
GND2
+24V1
/CFM-U3
SMR-03V-N/SMP-03V-NC
SMR-03V-N/SMP-03V-NC
GND2
+24V1
PHNR-03-H+BU03P-TR-P-H
/PWM-RSV1
GND2
POD1
GND2
POD2
GND2
POD3
+5V2
+5V2
+5V2
GND2
+24V1
/CFM-U1
+24V1
GND2
/CFM-U3
GND2
TH-EX
/PWM-RSV1
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