Canon LBP-1760 Service Manual page 44

CHAPTER 2
3. Engine controller inputs/outputs
PS102
J111-3
Pre-feed
sensor
PS103
J112-3
Top of page
sensor
PS104
J113-3
Face-down
tray paper
full sensor
PS105
J114-3
Multi-purpose
tray paper
sensor
PS106
J137-3
Fixing unit
delivery
sensor 2
TH901
J133-2
Thermistor
SW101
J129-2
Door open
detection
switch
2 - 6
J57-1
-1
-2
J57-4
-1
-2
J60-1
-1
-2
J58-1
-1
-2
J132-3 J131-3 J31-3
-1 -5 -1
-4 -2
-2
J132-1 J131-5 J31-1
-1 -2 -4
J59-1
-1
Figure 2-2-2
Engine controller PCB
+3.3V
-3
/PRE SNS "L" when sensor detects paper.
-2
+3.3V
-6
/TOP SNS
"L" when sensor detects paper.
-5
+3.3V
-3
"H" when the face-down tray
/FUL SNS
-2
becomes full.
+3.3V
-3
/MP SNS "L" when there is paper on the
-2
multi-purpose tray.
+3.3V
-5
/DEL2 SNS "H" when sensor detects paper.
-4
As the temperature of the fixing
THRM
heater rises,the voltage decreases.
-2
+24VA
+24VB
-3
/DOPEN
"L" when top cover is opened.
PS501
Fixing unit
delivery
sensor 1
"H" when sensor
detects paper.