3-80
FAX-L350 Chapter 3: Maintenance and Service
SCNT board (J501)
¬ ®
MCNT board (J502)
J501
J502
Signal name
Description
1
®
21
A*
Phase -A
2
®
20
A
Phase A
3
¬
19
FSRTH
Fixing heater temperature detection signal
4
®
18
APUD
ASF Pickup solenoid drive signal
5
¬
17
PISNS
Paper edge sensor detection signal
6
®
16
CPUD
Cassette pickup solenoid control signal
7
®
15
+5VA
Logic drive voltage
8
®
14
+5VA
Logic drive voltage
9
®
13
B
Phase B
10
¬
12
APAPER
ASF paper detection signal
11
®
11
B*
Phase -B
12
—
10
GND5
Ground
13
—
9
GND5
Ground
14
¬
8
TONOR
Toner detection signal
15
®
7
+12M
Main motor drive voltage
16
®
6
+5VB
Logic drive voltage
17
®
5
+12M
Main motor drive voltage
18
®
4
+12R
Front cover/cartridge sensor and solenoid drive
voltage
19
—
3
GND12A
Ground
20
—
2
GND12A
Ground
21
¬
1
+12HA
+12V after front cover/cartridge sensor
SCNT board (J502)
¬ ®
Laser scanner
J502
scanner
Signal name
Description
1
®
6
+5V
Logic drive voltage
2
®
5
APCSH
APC sample hold signal
3
®
4
LON*
Laser on signal
4
—
3
GND
Ground
5
®
2
VDOUT*
Laser drive signal
6
¬
1
BDI*
Horizontal sync signal
7
®
5
+12V
Scanner motor drive voltage
8
¬
4
SCNTAC
Scanner rotation rate monitor signal
9
—
3
GND12
Ground
10
®
2
SCNON*
Scanner motor drive signal
11
®
1
SCNCLK
Scanner reference clock signal
PCNT board (J2)
¬ ®
Fixing ass’y
J2
fixing
Signal name
Description
1
®
1
AC-H
AC 120V household current
2
®
2
AC-N
AC 120V household current
MCNT board (J501)
¬ ®
pickup solenoid
J501
solenoid
Signal name
Description
1
¬
—
CPUD
Pickup solenoid drive signal
2
®
—
+12V
Pickup solenoid drive voltage
Summary of Contents for FAX-L350
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