Canon NP6251 Service Manual page 57

Inputs to the DC Controller (3/8)
Holding tray Y
home position
PS20
sensor
Holding tray X
home position
PS21
sensor
Multifeeder
paper sensor
PS22
Registration
paper sensor PS23
Pick-up vertical
path 0 sensor
PS24
Cassette 3 lifter
position sensor PS25
Cassette 3
PS26
paper sensor
Pick-up vertical
PS27
path 3 sensor
Cassette 4 lifter
PS28
position sensor
Cassette 4
paper sensor
PS29
COPYRIGHT © 1997 CANON INC.
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J2081
J202A
J752-1 -3 J208-3
-2 -2 -2
-3 -1 -1
J202B
J750-1 J210-3
-2 -2
-3 -1
Holding tray control PCB
J791-1 J789-6
-2 -5
-3 -4
J2738
J2741-1 J2756-10
-7
-2 -9
-6
-3 -8
-5
J786-1 J797-3
-2 -2
-3 -1
J807-1 J805-5
-2 -4
-3 -3
J808-1 -8
-2 -7
-3 -6
J811-1 J809-5
-2 -4
-3 -3
J814-1 J812-5
-2 -4
-3 -3
J815-1 -8
-2 -7
-3 -6
Figure 2-110
CANON NP6350/NP6251 REV.0 JULY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
CHAPTER 2 BASIC OPERATION
DC controller PCB
J113A
When the side guide is at PS20, '1'.
-10
-5 (When the side guide is at
HTYHP
both ends.)
J113B
When the rear partition is at
-13 -1
PS21,'1'.
HTXHP
(When the rear partition is at
the rear end.)
+5V
When paper is present at
J115B-8
multifeeder, '1'.
-7
MFS
(When the light-blocking plate is
-6
at PS22.)
+5V
J108A-8
When PS23 has detected paper, '1'.
-7
(When the light-blocking plate is
RGPD
-6
at PS23.)
+5V
When PS 24 has detected copy
J116B-8
paper, '1'.
-7
PS24D
(When the light-blocking plate is
-6
at PS24.)
+5V
When PS25 has detected the
J117A-5
lifter, '1'.
-4
C3LTP
(When the light-blocking plate is
-3
at PS25.)
+5V
J117A-8
When PS26 has detected paper, '1'.
-7
(When the light-detecting plate is
C3PD
-6
at PS26.)
+5V
When PS27 has detected paper,
J117B-5
'1'.
-4
PS27D
(When the light-detecting plate is
-3
at PS27.)
+5V
J130A-5 When PS28 has detected the lifter,
'1'.
-4
C4LTP
(When the light-detecting plate is
-3
at PS28.)
+5V
When PS29 has detected paper,
J130A-8
'1'.
-7
C4PD
(When the light-detecting plate is
-6
at PS29.)
2-15