Service manual

VI-14
ABCDEFGHJ
1
2
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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
35
YEL YEL
2
BLU BLU
6
+3.3VDC
(2.1.1)
DC COM
(2.1.1)
J472
1 197 12
BLU BLU VIO VIO
+3.3VDC
SENSOR PHOTO
(TRAY1 LOW
PAPER SENSOR)
PL3.3
J473
38
BLU BLU
2
YEL YEL
9
+3.3VDC
(2.1.1)
DC COM
(2.1.1)
J473
1 2010 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