Brother HL-4200CN, Service Manual

Page: 313 / 366

VI-14
AB
CD
EF
G
H
J
1 2 3 4 5 6
2.6.1 TRAY1 PAPER STACKING
PWBA DRV HBN PL12.1
DC COM
(2.1.1)
J47
3
SWITCH ASSY SIZE (TRAY1)
PL3.2
SW1 SW2 SW3
J471
4 3 1
J471
2
YEL
PWBA HBN DRV PL12.1
J47
1 2 4
YEL
YEL
YEL
YEL
YEL
YEL
J42
16 17 18
MCU HL-4200
PL12.1
J12
15 14 13
VIO
VIO
VIO
VIO
VIO
VIO
+3.3VDC +3.3VDC +3.3VDC
SENSOR PHOTO (TRAY1 NO PAPER SENSOR)
PL3.3
J472
3
5
YEL
YEL
2
BLU
BLU
6
+3.3VDC (2.1.1)
DC COM
(2.1.1)
J472
1
19
7
12
BLU
BLU
VIO
VIO
+3.3VDC
SENSOR PHOTO (TRAY1 LOW PAPER SENSOR)
PL3.3
J473
3
8
BLU
BLU
2
YEL
YEL
9
+3.3VDC (2.1.1)
DC COM
(2.1.1)
J473
1
20
10
11
YEL
YEL
VIO
VIO
+3.3VDC
TRAY1 SENSOR AND SWITCHES
OPERATOR LOADED PAPER
TRAY1 SIZE SWITCH(SW1)
ON(L) +3.3VDC
TRAY1 SIZE SWITCH(SW2)
ON(L) +3.3VDC
TRAY1 SIZE SWITCH(SW3)
ON(L) +3.3VDC TRAY1 NO PAPER SENSED(H) +3.3VDC TRAY1 LOW PAPER SENSED(H) +3.3VDC
2.7.1
TRAY1 PAPER STACK POSITIONED
YEL
TRAY1 SIZE SWITCH (SW1)SIGNAL
DI-18 1
CONTROL LOGIC
2.6.4
TRAY1 SIZE SWITCH (SW2)SIGNAL
2.6.4
TRAY1 SIZE SWITCH (SW3)SIGNAL
2.6.4
DI-11 DI-15
TRAY1 NO PAPAR SENSED SIGNAL
2.6.4
1
Paper Size LEGAL14"(SEF) LEGAL13"(SEF) EXECUTIVE(SEF) B5(SEF) A4(SEF) LETTER(SEF) 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
OFF OFF OFF
ON
Display Data
00 07 02 04 05 01 03 06
A
B
A B
2 2 2 2
2
Virtual Line
TRAY1 SIZE SWITCH (DISPLAY)
DI-19 DI-1a DI-1b
The table shows relationship between ON/OFF status of SWITCH ASSY SIZE switches and Diag [DI-18] display data.
2.6 Paper Supplying