5-14
Confidential
*2
Displayed only when two LT are installed.
LCD Sensor names Detection status (displayed/not displayed)
MAC XXC Internal temperature sensor XX
°C/NG
BT XXC Belt temperature sensor 0
°C (The value will not be changed since
this sensor is not installed.)
TMP XXC External temperature sensor XX
°C/NG
HUM XXC External humidity sensor XX
%/NG
Note:
If the external temperature/humidity sensor detects the unusual value, the machine
displays “NG” on the LCD.
LCD Sensor names Detection status (displayed/not displayed)
C2
*2
T2 paper feed sensor T2 paper tray unit installed/not installed
C3
*2
T3 paper feed sensor T3 paper tray unit installed/not installed
L3
*2
T3 plate origin sensor Plate down of T3 paper tray unit/
Plate up of T3 paper tray unit
T3
*2
T3 connect detection (Main PCB)
T3 paper tray unit connected/not connected
(3) Check that the display on the LCD is
changed when the detection condition
of each sensor is changed.
For example, insert paper through the
registration front/rear sensor, open the
front cover or the back cover, remove
the toner cartridge, make a jam at the
paper outlet, insert paper from the MP
tray, set the paper tray, etc.
(4) Press the Cancel key and finish this
operation to return the machine to the
initial state of the maintenance mode.
(3) Check that the display on the LCD is
changed when the detection condition
of each sensor is changed.
For example, insert paper through the
registration front/rear sensor, open the
front cover or the back cover, remove
the toner cartridge, make a jam at the
paper outlet, insert paper from the MP
tray, set the paper tray, etc.
(4) Press the X key and finish this
operation to return the machine to the
initial state of the maintenance mode.
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