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LCD
MAC XXC Internal temperature sensor
BT XXC
Belt temperature sensor
TMP XXC
External temperature sensor
HUM XXC External humidity sensor
Note:
If the external temperature/humidity sensor detects the unusual value, the machine
displays "NG" on the LCD.
LCD
*2
C2
T2 paper feed sensor
*2
C3
T3 paper feed sensor
*2
L3
T3 plate origin sensor
*2
T3
T3 connect detection (Main PCB) T3 paper tray unit connected/not connected
*2
Displayed only when two LT are installed.
(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.
Sensor names
Sensor names
5-14
Detection status (displayed/not displayed)
°
XX
C/NG
°
0
C (The value will not be changed since
this sensor is not installed.)
°
XX
C/NG
%
XX
Detection status (displayed/not displayed)
T2 paper tray unit installed/not installed
T3 paper tray unit installed/not installed
Plate down of T3 paper tray unit/
Plate up of T3 paper tray unit
(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.
/NG
Confidential
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Table of Contents
Troubleshooting
