Xerox 2135N - Phaser Color Laser Printer Quick Reference Manual page 78

Switch scans and the sensor and switches test
Switch or sensor Switch scan test
Yellow Toner
Cartridge Present
Top Cover Switch
Right Cover
Switch (Door A)
Waste Toner
Sensor
not used
not used
not used
Manual Bypass
Feeder Home
Sensor
Manual Bypass
Feeder Paper
Empty Switch
not used
Manual Bypass
Feeder OHP
Sensor
Tray 1, Size 1
Switch - (Top)
Tray 1, Size 2
Switch
Tray 1, Size 3
Switch
Tray 1, Size 4
Switch - (Bottom)
Color Registration
(Front) - 006
Color Registration
(Rear) - 00A
not used
not used
Upper Fuser
Thermistor - 00D
not used
Test result
Switch Scan 02 L - Deactuated
4= H - Unit installed
Switch Scan 03 L - Top closed
1= H - Top opened
Switch Scan 03 L - Cover closed
2= H - Cover opened
Switch Scan 03 L - Not full
3= H - Full
Switch Scan 03
4=
Switch Scan 04
Switch Scan 05
Switch Scan 06 L - Roller at home
1= H - Roller not
home
Switch Scan 06 L - Paper loaded
2= H - No Paper
Switch Scan 06
3=
Switch Scan 06 L - Transparency
4= H - Paper
Switch Scan 07 L - Actuated
1= H - Deactuated
Switch Scan 07 L - Actuated
2= H - Deactuated
Switch Scan 07 L - Actuated
3= H - Deactuated
Switch Scan 07 L - Actuated
4= H - Deactuated
Switch Scan 08 Density Value
1= ***H
Switch Scan 08 Density Value
2= ***H
Switch Scan 08
3=
Switch Scan 08
4=
Switch Scan 09 Encoded fuser
1= roller temperature
Switch Scan 09
2=
Details
Open top cover and pull down the
sensor flag next to rear of the LED head.
Open top cover
Open right-side door
Remove the drum units and the transfer
belt. Locate the optical sensor in a hole
below the registration rollers. Interrupt
the sensor by inserting a scrap of paper
not used
not used
not used
Open the top cover and remove the
drum units. Manually rotate the manual
bypass feed roller by turning the white
gear on the right end of the registration
roller.
Toggle the switch located at the
inner-base of the Manual Bypass Feeder
tray next to the pick pad
not used
Manually feed a sheet of paper thru the
feeder by rotating the registration roller.
Transparency film causes no change
Remove the tray and actuate the sensor
flags at the rear of the tray cavity
Color value in hexidecimal format. The
default is between 000 to 060 when the
sensors are exposed to light. Manually
open the registration shutter to expose
the sensors to light. If the sensor
reading is too high, clean any toner dust
off the sensor lens and test again.
not used
not used
Temperature is encoded as a
hexidecimal value. The default is
between 001 and 0D4.
not used
Service Guide 65