Canon NP6251 Service Manual page 56

CHAPTER 2 BASIC OPERATION
Inputs to the DC controller (2/8)
External delivery
sensor PS10
Fixing cleaning
belt length PS11
sensor
Internal delivery
PS12
sensor
Holding tray
PS14
registration
paper sensor
Holding tray
inlet paper
PS15
sensor
Holding tray
pick-up
PS17
sensor
Holding tray
re-circulating
PS19
lever home
position sensor
2-14
COPYRIGHT © 1997 CANON INC.
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J2747-1 J2755-32
-2 -33
-3 -34
J742 J2757 J2755
J2743-1 -3 -5 -14
-2 -2 -4 -13
-3 -1 -3 -12
J2751-1 J2755-27
-2 -28
-3 -29
J7581 J758 J204 J202A
J762-1 -3 -4 -4
-2 -2 -5 -5
-3 -1 -6 -6
J875 J758- J204 J202B
J761-1 -3 7 -7
-2 -2 -8 -8
-3 -1 -9 -9
Holding tray control PCB
J7581 J758 J204 J202B
J763-1 -6 -1 -1
-2 -5 -2 -2
-3 -4 -3 -3
Holding tray control PCB
J754 J2071 J207
J2062-1 -3 -3 -3
-2 -2 -2 -2
-3 -1 -1 -1
Holding tray control PCB
Figure 2-109
CANON NP6350/NP6251 REV.0 JULY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
DC controller PCB
+5V
J108B-8 When PS10 has detected
paper, '1'.
-7
EXDPD
(When the light-blocking plate
-6
is at PS10.)
+5V
When the fixing cleaning belt
J108A-14
is shorter than the specified
-13
length, '1'.
CBOP
-12 (When the light-blocking plate
is at PS11.)
+5V
When PS12 has detected
J108B-13
copy paper, '1'.
-12
(When the light-blocking plate
IDPD
-11
is at PS12.)
When copy paper is present
J113A
at registration of the holding
-12 -3
PS14D
tray, '1'.
(When the light-blocking plate
is at PS14.)
J113B
When copy paper is present
-4 -10
at the inlet of the holding
PS15D
tray, '1'.
(When the light-blocking plate
is at PS15.)
When copy paper is at the
J113B
pick-up assembly of the
-3 -11
PS17D
holding tray, '1'.
(When the light-blocking plate
is at PS17.)
When PS19 has detected the
J113B
light-blocking plate, '1'.
-6
(When the light-blocking plate
HPLPD
is at PS19.)