Service manual

AL-2030/2040CS/2050CS ELECTRICAL SECTION 12 - 9
D. AL-2040CS/2050CS
(1) 2nd cassette unit (1/2)
(2) NIC PWB (2/2)
3. Signal name list
Signal name Name Function/Operation Section
LEDPPD2 PPD2 sensor power Fusing section
PPD2 PPD2 sensor Paper transport detection Fusing section
RTH_IN Thermistor Fusing section thermistor temperature detection Fusing section
FANLK Fusing fan Fan lock detection signal Optical section
MHPS MHPS sensor Carriage HP detection Optical section
/MPFS Multi bypass solenoid Optical section
/VFMCNT Fan speed signal Fan rotation speed control Optical section
VFMOUT Fusing fan Fan drive signal Optical section
/DMT_0 DUP motor DUP motor phase control Duplex drive section
/DMT_1 DUP motor DUP motor phase control Duplex drive section
/DMT_2 DUP motor DUP motor phase control Duplex drive section
/DMT_3 DUP motor DUP motor phase control Duplex drive section
LEDPOD POD sensor power Paper exit section
POD POD sensor Paper transport detection Paper exit section
PMCLK_A Polygon motor Clock signal to the polygon motor LSU
PMRDY Polygon motor Polygon motor ON/OFF detection signal LSU
/PMD Polygon motor Polygon motor drive signal LSU
DHAI-0306QSZZ CN18
B14B-PHDSS-B
CED2
1
D-GND
2
1
24V
1
D-GND
1
5V
3
PPD3
2
5
10
PD2
1
D-GND
2
D-GND
/CPFS2
24V
5V
PPD3
D-GND
PD2
D-GND
CED2
3
5
6
9
1
2
4
7
8
11
12
13
14
10
3
9
10
14
6
3
9
D-GND
CED2
D-GND
FG
4
2
1
5
PD2
9
6
9
11
13
8
PPD3
7
7
D-GND
8
13
24V
2
11
5V
4
14
/CPFS2
1
2
/CPFS2
2
MCU PWB
CPFS2
PPD3
PD2
CED2
2nd CASSETTE UN
CN1 DHAI-0518QSPZ CN39
24FMN-BTK-A
VCC3
5V
5V
D-GND
P2
P1
P0
/RESET
P6
P5
P4
P3
PFRR
PBSY
/PACK
P7
23
24
D-GND
DIR3
/IT3
/SELIN3
/AFFFD3
/STB
/FLT
SLCT
19
20
21
22
15
16
17
18
11
12
13
14
7
8
9
10
3
4
5
6
EN5V
2
D-GND
1
VCC3
4
EN5V
3
PARAD0
6
/OA_RST
5
PARAD2
8
PARAD1
7
PARAD4
10
PARAD3
9
PARAD6
12
PARAD5
11
/ACK
14
PARAD7
13
PE
16
BUSY
15
/FAULT
18
SLCT
17
/AUTOFD
20
/STB
19
/INIT
22
/SLCTIN
21
D-GND
24
/REV
23
1
2
MCU
PWB
NIC
PWB
TO
NETWORK