Filter
Top Products
Chapter 2 Operation of Diagnostics
2-105
2.5.2 Types of input test
Two types, digital input tests and analog input tests, are provided. The digital input tests that can be
checked are as listed below.
The analog input tests that can be checked are as listed below.
Name Parts Name/Function ON Condition
Inter Lock Sensor PWBA HNB DRV is installed Front cover open
OHP Sensor OHP SENSOR ASSY Paper present
Fuser Ready – Under printing
ROS Ready – Under printing
Regi Sensor SENSOR PHOTO (Regi Sensor) Media present
Exit Sensor Contained in FUSER ASSY Media present
Duplex Sensor SENSOR PHOTO (Dup Jam Sensor) Media present
Full Stack Sensor SENSOR PHOTO (Full Stack Sensor) Full stack
Black No Toner Sensor SENSOR TONER LOW (K) No toner (K)
Cyan No Toner Sensor SENSOR TONER LOW (C) No toner (C)
Magenta No Toner Sensor SENSOR TONER LOW (M) No toner (M)
Yellow No Toner Sensor SENSOR TONER LOW (Y) No toner (Y)
Black Toner Bottle Sensor SWITCH TCRU ASSY (K) No toner bottle (K)
Cyan Toner Bottle Sensor SWITCH TCRU ASSY (C) No toner bottle (C)
Magenta Toner Bottle
Sensor
SWITCH TCRU ASSY (M) No toner bottle (M)
Yellow Toner Bottle Sensor SWITCH TCRU ASSY (Y) No toner bottle (Y
Cassette1 Low Paper
Sensor
SENSOR PHOTO (Low Paper Sensor) Low paper
Cassette2 Low Paper
Sensor
SENSOR PHOTO (Low Paper Sensor2) Low paper
Cassette3 Low Paper
Sensor
SENSOR PHOTO (Low Paper Sensor3) Low paper
Cassette1 No Paper Sensor SENSOR PHOTO (No Paper Sensor) No paper
Cassette2 No Paper Sensor SENSOR PHOTO (No Paper Sensor2) No paper
Cassette3 No Paper Sensor SENSOR PHOTO (No Paper Sensor3) No paper
MSI No Paper Sensor SENSOR PHOTO (MSI No Paper Sensor) No paper
Optional Feeder Not
Installed
Detect whether Optional Feeder is
installed or not installed
Optional Feeder is not
installed
BTR Toner Full Sensor Transfer Unit (BTR ASSY) SENSOR Full toner
(PHD) Not Installed
Detects whether Imaging Unit (PHD
ASSY) is installed or not installed
Imaging Unit (PHD ASSY)
is not installed
FAN 1 Alarm Sensor FAN FUSER Detect FAN FUSER alarm
FAN 2 Alarm Sensor FAN REAR Detect FAN REAR alarm
Name Parts Name Contents of display
ADC(CTD) SENSOR ADC ASSY
Toner density on the Transfer Unit (BTR
ASSY) surface
Fuser Temp FUSER ASSY Heat roll surface temperature