Service manual
VI-17
ABCDEFGHJ
1
2
3
4
5
6
DOUBLE
PLUG
CONNECTOR
DOUBLE
PLUG
DOUBLE
PLUG
SWITCH ASSY SIZE
(TRAY3)
PL14.3
2.6.3 TRAY3 PAPER STACKING (OPTION FEEDER)
PWBA OPTFDR
PL14.5
DC COM
(2.1.1)
J83
3
SW1
SW2
SW3
J831
4
3
1
BLU
PWBA
OPTFDR
PL14.5
J83
1
2
4
BLU BLU
BLU BLU
BLU BLU
J81
8
9
10
MCU HL-4200
PL12.1
J21
19
18
17
YEL YEL
YEL YEL
YEL YEL
+3.3VDC
+3.3VDC
+3.3VDC
SENSOR PHOTO
(TRAY3 NO PAPER
SENSOR)
PL14.4
J832
35
BLU BLU
2
BLU BLU
6
+3.3VDC
(2.1.1)
DC COM
(2.1.1)
J832
1 157 12
BLU BLU YEL YEL
+3.3VDC
SENSOR PHOTO
(TRAY3 LOW
PAPER SENSOR)
PL14.5
J833
38
BLU BLU
2
BLU BLU
9
+3.3VDC
(2.1)
DC COM
(2.1.1)
J833
1 1710 10
BLU BLU YEL YEL
+3.3VDC
OPERATOR
LOADED PAPER
TRAY3
SIZE SWITCH(SW1)
ON(L) +3.3VDC
TRAY3
SIZE SWITCH(SW2)
ON(L) +3.3VDC
TRAY3
SIZE SWITCH(SW3)
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 SWITCH
(SW1)SIGNAL
DI-28
1
CONTROL
LOGIC
2.6.4
TRAY3
SIZE SWITCH
(SW2)SIGNAL
2.6.4
TRAY3
SIZE SWITCH
(SW3)SIGNAL
2.6.4
DI-13
DI-17
TRAY3
NO PAPAR
SENSED
SIGNAL
2.6.4
A
B
2
2
2
2
J210
A6
P210
A8
TRAY3 SENSOR AND SWITCHES
J831
2
BLU
A9
A10
B2
B4
A5
A4
B12
B10
J810
B6
P810
B8
B9
B10
A3
A5
B5
B4
A12
A10
YEL YEL
YEL YEL
YEL YEL
YEL YEL
YEL YEL
YELYEL
YELYEL
YELYEL
YELYEL
YELYEL
J8220
1
P8220
3
GRY GRY
P8220
1
J8220
3
22
GRY GRY
GRY GRY
TRAY3 SIZE SWITCH
(DISPLAY)
DI-2a
DI-2b
DI-29
A
B
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
2
The table shows relationship
between ON/OFF status of
SWITCH ASSY SIZE switches
and Diag [DI-28] display
data.
Virtual Line
2.6 Paper Supplying