8-14 Confidential
8.1.4.9 Sensor Operational Check (Function code 32)
Function
This function allows you to check whether the 9 sensors.
Operating Procedure
(1) Press the 3 and 2 keys in this order in the initial stage of the maintenance mode. The
machine beeps 1100 Hz and 400 Hz tones cyclically through the following volumes for
testing the speaker. To stop beeping, press the Menu/Set key.
Fig. 8-7
If the sensing status are as listed below, the LCD will show the following:
"DFDRFCCVTORC", "C1P1C2P2RMRAPO" and "CCMCYCKCFUOBORTR"
(which can be switched by pressing the Black Start key for machines.)
Given below is the relationship between the LCD indication, sensor names and sensor
status.
LCD Sensors Sensing status
DF Document front sensor No document detected.
DR Document rear sensor No document detected.
FC Document cover open sensor Document cover closed.
CV Front cover open sensor Front cover closed.
TC Top cover open sensor Top cover closed.
RC Back cover open sensor Back cover closed.
C1 Tray1 cassette open sensor Tray1 closed.
P1 Tray1 recording paper sensor Recording paper detected.
C2 Tray2 cassette open sensor Tray2 closed.
P2 Tray2 recording paper sensor Recording paper detected.
RM Registration sensor No recording paper detected.
RA Fuser exit sensor No recording paper detected.
PO Out put tray full sensor No paper jam.
CC* Cyan cartridge sensor Cyan cartridge loaded.
MC* Magenta cartridge sensor Magenta cartridge loaded.
YC* Yellow cartridge sensor Yellow cartridge loaded.
KC* Black cartridge sensor Black cartridge loaded.
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