Confidential
5-12
LCD Temperature and humidity sensors Sensing status (OK/NG)
TMP
HUM
MAC
BT
THM sensor
HUM sensor
Internal temperature sensor
Belt unit temperature sensor
XX°C/NG
XX%/NG
XX
°C /NG
XX
°C /NG
Note:
If the sensor detects the abnormal value, the machine displays “NG” on the LCD.
(3) Change the detecting conditions to check that the indication on the LCD changes
according to the sensor status. For instance, insert paper through the registration sensor,
open the front cover or the back cover, remove the toner cartridge, jam paper at the paper
outlet, insert paper from the MP and load trays, etc.
(4) Press the Cancel button to return the machine to the initial stage of the maintenance
mode.
Location of sensors
Fig. 5-5
Toner sensor K (TE)
Toner sensor Y (TE)
Toner sensor M (TE)
Toner sensor C (TE)
Paper feed frame unit
T1 PE/edge sensor PCB ASSY
T1 PE sensor
T1 edge sensor/
T1sensor
Belt cleaner release sensor
Belt cleaner release ASSY
Toner sensor C
(NEW)
Toner sensor M (NEW)
Toner sensor Y (NEW)
Toner sensor K (NEW)
Develop release sensor
Internal temperature
sensor
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