Service manual

AR-M351U/M451U, AR-M355U/M455U MAINTENANCE AND DETAILS OF EACH SECTION 7 - 34
B. Major parts and signal functions
DSW-F
MM-T
GND2
+5V1
GND2
MM\
9604S-08C
1
2
3
4
5
6
7
8
CN9
DSW-F
GND2
SMR-06V+SMP-06V-NC
/POMB
4
/POMXB
/POMA
/POMXA
+24V1
3
11
6
5
2
3
2
5
4
+24V1
6
BR
BR
BR
BR
RD
RD
HVR
PWB
GY
HVR
PWB
GY
SFPS-41T-187
RD
RD
PHNR-03-H+BU03P-TR-P-H
+24V1
3
13
VFM2\
2
GND2
1
2
RD
GY
BR
PHNR-03-H+BU03P-TR-P-H
BR
PHR-3
CFM1\
BR
DRAWER
PWB
+24V1
1
2
3
RD
33
+24V1
1
4
GY
1
22
TSR-04V-K
CFM1\
+24V1
3
RD
CFM1\
GND2
GND2
GY
2
GND2
1
GND2
BR
GY
GY
RD
+24V1
RRC\
1
12
2
PHNR-02-H+BU02P-TR-P-H
RD
BR
+24V1
TRC1\
1
1
22
(NC)
3
3
PHNR-03-H+BU03P-TR-P-H
RD
BR
GND2
+5V2
GND2
GND2
PED
+5V2
+5V2
LUD
PPD1
1
2
3
4
5
6
7
8
91
2
3
4
5
6
7
8
9
PHNR-09-H+BU09P-TR-P-H
BL
GY
BR
2
+5V2
PPD1
1
GND2
2
PPD1
1
3
3
1
GND2
+5V2
3
179228-3(AMP)
2
PHNR-03-H+BU03P-TR-P-H
GY
BL
BR
BL
BR
GY
POD1
GND2
1
2
3
179228-3
+5V2
3
2
179228-3
POD2
1
GND2
+5V2
3
POD3
179228-3
GND2
2
1
POD1
+5V2
GND2
2
1
2
SMP-03V-BC+SMR-03V-B
3
1
3
BL
GY
BR
GY
GY
GY
GY
BL
BL
BL
BL
BR
BR
BR
BR
+5V2
DSW-L
MM-T
GND2
+5V2
GND1
MM\
8
7
6
5
4
3
2
1
DSW-L
GND1
8FE-ST-VK-N
MM
POM
POD3
POD2
POD1
DSW-L
RRC
VFM2
PPD1
TRC
CFM1
POD3
POD1
POD2
/POMA
/POMXA
GND2
/POMXB
+5V2
/POMB
2
3
4
5
6
7
8
9
10
11
12
13
14
CN4
CFM2\
1
+24V1
+24V1
DSW-L
15
16
17
18
+5V2
GND2
+5V2
19
20
21
22
GND2
+24V1
+24V1
TRC\
LUMA
PED
CPFC\
PPD1
CSS
LUMB
LUD
RRC\
GND2
+5V2
GND2
+24V1
18
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
GND
19
20
GND2
+5V2
+5V2
GND2
21
22
23
24
+24V1
CFM1\
GND2
GND2
+24V1
GND2
+24V1
23
24
25
26
27
28
29
30
32
31
+24V1
VFM2\
+24V1
GND2
(NC)
GND2
(NC)
DSW-L
(NC)
(NC)
DSW-F
RD
GY
BL
RD
BR
BR
BR
BR
RD
GY
GY
BL
RD
RD
GY
GY
GY
BL
BL
RD
RD
RD
GY
BR
BR
BR
BR
BR
BR
BR
CFM2\
B24B-PHDSS-B
B32B-PHDSS-B
CN13
PCU PWB
5
2
4
1
54
3
2
1
Code
Signal
name
Name Function/Operation Type Note
POD1 POD1 Paper exit detector 1 Paper exit detection from fusing Transmission
type
Paper transport system sensor
POD2 POD2 Paper exit detector 2 Paper pass detection from paper exit Transmission
type
Paper transport system sensor
POD3 POD3 Paper exit detector 3 Paper exit detection to upper section
paper exit tray (Full detection)
Transmission
type
Paper transport system sensor
POM POM Paper exit motor Drives the paper exit roller. Stepping
motor
Selection of Normal speed/
High speed/ Reverse rotation
VFM2 VFM2 Fusing cooling fan motor Discharges heat generated in the
fusing section.
DC brushless
motor
PWM control
CFM1 CFM1 Fusing cooling fan motor Discharges heat generated in the
fusing section to cool it.
DC brushless
motor
PWM control