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

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AR-M550/M620  DETAILS OF EACH SECTION  6 - 33
d. Vertical transport upper unit
1) Open the left door. 
2) Remove the resist roller unit. 
3) Disconnect the connector, and remove the vertical transport upper
unit.
d-1. Transport roller 13 (Drive)
1) Remove the upper transport fulcrum plate holder, and remove the
vertical transport upper open/close PG.
2) Remove the open/close PG earth, and remove the drive connec-
tion stopper screw and the bearing. 
3) Remove the upper PG holding plate.
4) Remove the vertical transport upper PG.
5) Remove the transport roller 13 (Drive).
d-2. Transport sensor
1) Remove the vertical transport unit. (See “d. Vertical transport
upper unit”)
2) Check the sensors.
AR-M550/M620  DETAILS OF EACH SECTION  6 - 34
(Vertical paper transport section 2)
A. Major parts and signal functions
14
13
12
11
10
1
9
8
7
6
5
4
3
2
24
23
22
21
20
19
18
17
16
15
25
26
27
28
29
30
5
4
3
2
1
PCU PWB
CN-17
M2LUM
GND2
+24V1
/T1PFC
+24V1
/M2PFC
+24V1
/DSKPFC2
GND2
TXD-FIN
RXD-FIN
RES-FIN
/DTR-FIN
/DSR-FIN
GND2
+5V2
/MM
MMCLK
MM-T
GND2
TANSET
+5V2
GND2
GND2
DSW-DSK
+5V2
(NC)
TSW-LED
TSW
(NC)
B30B-PHDSS-B
S5B-PH-K-S
GND2
+5V2
/MM
MMCLK
MM-T
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
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
5
4
3
1
2
6
1
4
5
2
3
6
6
5
4
3
2
1
6
5
4
3
2
1
7
8
7
8
2
1
2
1
3
2
1
3
2
1
3
2
1
GND2
TH-DV
GND2
HUS-DV
MPRD2
GND2
+5V2
+5V-MPRD2
MPRD1
+5V-MPRD1
GND2
TSGOUT
GND2
TCS
+24V1
GND2
PPD
+5V2
DVCH4
DVCH3
DVCH2
DVCH1
+24V1
/PSBC
+24V1
+24V1
/T2PFC
+24V1
/HPFC
CN-12
B30B-PHDSS-B
+24V1
/PSBC
+5V2
PPD
GND2
+5V-MPRD1
GND2
MPRD1
(NC)
(NC)
(NC)
(NC)
+24V1
/HPLS
MPRD2
GND2
+5V-MPRD2
(NC)
/HPLS
/PSBC
PPD
GND2
PPD
GND2
/PSBC
+24V1
+24V1
179228-3
PHNR-02-H+BU02P-TR-P-H
PHNR-06-H+BU06P-TR-P-H
+5V2
+5V2
(NC)
PHR-3
+5V-MPRD1
GND2
MPRD1
MPRD2
GND2
+5V-MPRD2
MPRD1
GND2
+5V-MPRD1
MPRD2
+5V-MPRD2
GND2
PHR-3(RED)
+24V1
/HPLS
SMR-08V-N/SMP-08V-NC
SMR-18V-N/SMP-18V-NC
PPD
PSBC
MPRD1
MM
TRM
RRC
VPM
MPRD2
12
11
10
9
8
7
6
5
4
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
B12B-PH-K-S
/TRMB
/TRM/B
CN-2
/TRM/A
/TRMA
/VPM/A
/VPMA
/VPMB
/VPM/B
+24V2
+24V2
+24V2
+24V2
/TRM/A
/TRM/B
/TRMA
/TRMB
SMR-06V-N/SMP-06V-NC
/VPM/A
/VPM/B
/VPMA
/VPMB
SMR-06V-N/SMP-06V-NC
+24V2
+24V2
+24V2
+24V2
DRIVER PWB
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
27
28
29
30
31
32
2
1
1
2
/RRC
+24V1
PHNR-02-H+BU02P-TR-P-H
B32B-PHDSS-B
+24V1
GND2
+24V1
/RRC
(NC)
+24V(DSW)
+24V1
+5V-APPD1
+5V-APPD2
+5V-PFD2
+5V-DSWD
+5V-AINPD
+5V-THPS1
+5V-THPS2
PFD2
/CFM-ADU
THPS2
TURM
/TCBPWH
APPD1
APPD2
AINPD
/FBIAS
DSWD
/DGS
(NC)
DSW-L
CN-7
GND2
GND2
/TCBIAS
(NC)
/CFM-DV
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
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
1
3
2
AR-M550/M620  DETAILS OF EACH SECTION  6 - 35
B. Maintenance and parts replacement
(1) Maintenance list
✕
: Check (Clean, replace, or adjust as necessary.)
❍
: Clean
▲
: Replace
∆
: Adjust
✩
: Lubricate
❏
: Shift position
✕
: Check (Clean, replace, or adjust as necessary.)
❍
: Clean
▲
: Replace
∆
: Adjust
✩
: Lubricate
❏
: Shift position
Code
Signal 
name
Name
Function/Operation
Type
Model
Note
MPRD1
MPRD1
Paper feed tray 2 paper 
pass detector 1
Manual feed/paper feed tray 2 paper 
pass detection
Transmission 
type
Paper transport system sensor
MPRD2
MPRD2
Paper feed tray 2 paper 
pass detector 2
Manual feed/paper feed tray 2 paper 
pass detection
Transmission 
type
Paper transport system sensor
PPD
PPD
Resist roller front paper 
pass detector
Paper pass detection in front of resist 
roller
Reflection type
Paper transport system sensor
RRC
RRC
Resist roller clutch
Resist roller ON/OFF control
Electromagnetic 
clutch
PSBC
PSBC
Resist roller brake clutch
Resist roller braking
Electromagnetic 
clutch
MM
MM
Main motor
Drives the paper feed trays 1, 2, 3, and 
4, and the manual paper feed section.
DC brushless 
motor
Paper pass
TRM
TRM
Resist roller front drive 
motor
Drives the paper transport roller 15.
Stepping motor
Normal speed mode/ Resist 
roller front paper transport timing 
control (Warp amount control)
VPM
VPM
Vertical paper transport 
motor
Drives the paper transport rollers 24 
and 39. 
Stepping motor
Normal speed mode
No.
Name
Function
1
Resist roller (Drive)
Transports paper to the transfer section. / Controls the transport timing of paper to adjust the relationship 
between images and paper.
2
Resist roller (Idle)
Applies a pressure to paper and the resist roller to provide transport power of the transport roller to paper.
3
Transport roller 15
Transports paper to the transport resist roller.
AR-M550U/M550N (PM: 250K)
When 
calling 
250K 500K 750K 1000K 1250K 1500K 1750K 2000K
Remark
AR-620U/M620N (PM: 300k)
300K 600K 900K 1200K 1500K 1800K 2100K 2400K
Unit name  
No.
Part name
Vertical paper 
transport 
section 2
1
Resist roller (Idle)
✕
❍
❍
❍
❍
❍
❍
❍
❍
2
Transport rollers
✕
❍
❍
❍
❍
❍
❍
❍
❍
3
Transport paper guides
❍
❍
❍
❍
❍
❍
❍
❍
❍
4
Sensors
✕
✕
✕
✕
✕
✕
✕
✕
AR-M550U/M550N (PM: 250K)
When 
calling 
250K 500K 750K 1000K 1250K 1500K 1750K 2000K
Remark
AR-620U/M620N (PM: 300k)
300K 600K 900K 1200K 1500K 1800K 2100K 2400K
Unit name  
No.
Part name
1
Paper dust cleaner
✕
▲
▲
▲
▲
▲
▲
▲
▲
1
2
4
3
1
AR-M550/M620  DETAILS OF EACH SECTION  6 - 36
(2) Maintenance and parts replacement
(List of Replacement Parts)
a. Resist roller unit
1) Open the front door, and open the process cover. Remove the pro-
cess unit. 
2) Remove the paper dust removing unit. 
3) Remove the rear frame side cover, and disconnect the connector.
4) Remove the resist roller unit. 
No.
Unit
Parts
a
Resist roller unit
1
Resist roller (Idle)
✕❍
2
Resis roller break clutch
✕❍
3
Transport roller 15
✕❍
4
Resist roller (Drive)
✕❍
5
Resist roller front paper 
pass detector
✕
b-1
a-1
a-2
a-4
a-3
a-5
a
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