General Troubleshooting 4-7
BTR Sensors BTR Y is L
BTR M is L
BTR C is L
BTR K is L
1st BTR is L
2nd BTR is L
H = Error
L = No error
ADC Sensor ADC is XXX ADC = Automatic Density
Correction
Go to ADC Output check under
adjustments and calibration.
Toner Waste
Cartridge
Waste Cartridge presence is H
Waste Cartridge full is L
All door switches must be closed.
H = Present or full
L = Not present or not full
Tray Sensors Tray 2
Do you want auto media lift?
Yes
No
Tray 2: SW1-4:HHHL-<Letter>
Level: H NoPaper: L
Tray 3 - <same as tray 2>
Tray 4 - <no data available if
HCF is installed>
Tray 5 - <same as tray 3, 4>
The four switch pattern indicates
the media size. Refer to the media
switch table in the Wiring Diagrams
chapter of this manual.
L = Tray not lifted
H = Tray lifted
H = Paper not present
L = Paper present
NOTE Level 6 entries for Trays 3-5
follow the same pattern as
for
Tray 2.
Tray1 (MPT) Sensors MPT No Paper is L -
MPT size is XXX
MPT = Multi-Purpose Tray
Range (0 - 1000)
i.e. Letter LEF approx. 180
i.e. Letter SEF approx. 460
HCF/LTD Sensors No HCF Attached
or
HCF Path 1 is L
HCF Path 2 is L
High-Capacity Feeder
ATC Sensor ATC 1 is nnn
ATC 2 is nnn
ATC 3 is nnn
ATC 4 is nnn
ATC = Automatic Toner Calibration
Value range (0 - 1000)
Imaging Unit
Sensors
Imaging Unit Yellow is H
Imaging Unit Magenta is H
Imaging Unit Cyan is H
Imaging Unit Black is H
H = Cartridge present
L = No cartridge present
New Toner Cartridge
Sensor
Test Front Panel Display Test Operation Definition
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