Brother HL-4000CN - Page 313

V
I-16
ABCDEFGHJ
1
2
3
4
5
6
2.6 Paper Supplying
2.6.3 Tray3 paper stacking
DRIVE PWB
PL15.1
DC COM
(CH1.1)
J83
3
SW1
SW2
SW3
J831
4
3
1
BLU
DRIVE
PWB
PL15.1
J83
1
2
4
BLU BLU
BLU BLU
BLU
BLU
J81
8
9
10
MCU AND HVPS PWB
PL15.1
J21
19
18
17
YEL YEL
YEL YEL
YEL YEL
+3.3VDC
+3.3VDC
+3.3VDC
TRAY3 NO PAPER
SENSOR
PL17.3
J832
35
BLU BLU
2
BLU BLU
6
+3.3VDC
(CH1.1)
DC COM
(CH1.1)
J832
1 157
12
BLU
BLU
YEL YEL
+3.3VDC
TRAY3 LOW PAPER
SENSOR
PL17.3
J833
38
BLU BLU
2
BLU BLU
9
+3.3VDC
(CH1.1)
DC COM
(CH1.1)
J833
1 1810 10
GRY
GRY
YEL YEL
+3.3VDC
OPERATOR
LOADED PAPER
TRAY3
SIZE SWITCH1
ON(L) +3.3VDC
TRAY3
SIZE SWITCH2
ON(L) +3.3VDC
TRAY3
SIZE SWITCH3
ON(L) +3.3VDC
TRAY3 NO PAPER
SENSED(H) +3.3VDC
TRAY3 LOW PAPER
SENSED(H) +3.3VDC
2.7.4
TRAY3
PAPER STACK
POSITIONED
TRAY3
SIZE SWITCH1
SIGNEL
DI-28
1
CONTROL
LOGIC
2.6.4
TRAY3
SIZE SWITCH2
SIGNEL
2.6.4
TRAY3
SIZE SWITCH3
SIGNEL
2.6.4
DI-13
DI-17
TRAY3
N O PA PA R
SENSED
SIGNEL
2.6.4
1
Refer the relationship
between the status of TRAY3
SIZE SWITCH ASSY and display
of Diagnostic code "DI-28".
Paper Size
LEGAL14"
LEGAL13"
EXECUTIVE
B5
A4
LETTER
A5
No Cassette
SW1
ON
OFF
ON
ON
ON
OFF
OFF
OFF
SW2
ON
OFF
ON
ON
ON
OFF
OFF
OFF
SW3
ON
OFF
ON
ON
ON
OFF
OFF
ON
Display
00
07
02
04
01
03
06
A
B
A
B
2
2
2
2
2
Imaginary Line
CONNE
CTOR
DOUBLE
PLUG
J210
A6
P210
A8
TRAY3 SENSOR AND SWITCHES
J831
2
BLU
DOUBLE
PLUG
A9
A10
B1
B4
A5
A4
B12
B10
J810
B6
P810
B8
B9
B10
A3
A5
B5
B4
A12
A19
YEL YEL
YEL YEL
YEL YEL
YEL YEL
YEL YEL
YEL YEL
YEL YEL
YEL YEL
YEL YEL
YEL YEL
J8220
1
P8220
3
DOUBLE
PLUG
P8220
1
J8220
3
22
TRAY3 SIZE SWITCH
ASSY
PL17.2