Duplexing Unit - Canon LBP-1760 Service Manual

CHAPTER 4
c. Monitoring the printer condition
Select items to monitor from the table 4-8-5 and 4-8-6. Make settings with SW12 to SW14 and
monitor the printer condition with LED1 to LED16.
Sensor/switch information
(Printer)
SW12
SW13
SW14
Pre-feed sensor
LED1
Paper present
Top of page sensor
LED2
Paper present
Fixing unit paper delivery sensor 1
LED3
Paper present
Fixing unit paper delivery sensor 2
LED4
Paper present
Face-down tray paper full sensor
LED5
Paper present
Door open detection switch
LED6
ON
Test print switch
LED7
ON
Multi-purpose tray paper sensor
LED8
Paper present
Paper size detection switch (Lower)
LED9
ON
Paper size detection switch (Middle)
LED10
ON
Paper size detection switch (Upper)
LED11
ON
Cassette
LED12
Paper present
LED13
LED14
LED15
LED16
4 - 52
Table 4-8-5
Sensor/switch information
(Option)
0
0
0
Paper feeder connected
Paper size detection switch (Lower)
ON
Paper size detection switch (Middle)
ON
Paper size detection switch (Upper)
ON
Paper feeder
Paper present
Envelope feeder connected
Envelope feeder
Envelope present
Duplexing unit connected
Reversed paper sensor
Paper present
Duplexing unit pick-up sensor
Paper present
Face-up sensor
—
—
—
—
Jam display
1
0
0
Pick-up delay jam
Pick-up stationary jam
Delivery delay jam
Delivery stationary jam
Revere delay jam
Revere stationary jam

Duplexing unit

pick-up delay jam
—
—
—
—
—
0
1
0
—
—
—
—
—
—
—
—
—