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1.4.11 Operational Check of Sensors (Function code 32)
<Function>
This function allows you to check each of the sensors.
<Operating Procedure>
(1) Press the 3 and 2 buttons in this order in the initial stage of the maintenance mode. The
machine beeps 1100 Hz and 400 Hz tones cycling through the following volumes for
testing the speaker. To stop beeping, press the OK button.
Fig. 5-7
If the sensing status are as listed below, the LCD will show “C1P1R1C2P2R2L2T2” when
LT is installed. “C1P1R1
**********”
appears on the LCD when LT is not installed. The LCD
indication moves to the next term by pressing the Black Start button.
Given below is the relationship between the LCD indication, sensor name and sensor
status.
LCD Sensors Sensing status (ON/OFF)
C1
P1
R1
C2
P2
R2
L2
T2
T1 sensor
T1 PE sensor
T1 edge sensor
LT sensor
LT PE sensor
LT edge sensor
LT plate-up detection sensor
LT connector
Paper tray installed / not installed
Paper detected / not detected
Paper not detected / detected
Paper tray installed / not installed
Paper detected / not detected
Paper not detected / detected
Plate-up detected / not detected
LT connected / not connected
MR
MP
CV
RC
RM
RA
PO
MP registration front sensor
MP PE sensor
Front cover
Back cover
T1 registration front sensor
Registration rear sensor
Paper eject sensor
Paper detected / not detected
Paper detected / not detected
Front cover closed / open
Back cover closed / open
Paper not detected / detected
Paper not detected / detected
Paper not detected / detected
NK
NY
NM
NC
KC
YC
MC
CC
Toner sensor K (NEW)
Toner sensor Y (NEW)
Toner sensor M (NEW)
Toner sensor C (NEW)
Toner sensor K (TE)
Toner sensor Y (TE)
Toner sensor M (TE)
Toner sensor C (TE)
Toner cartridge (K) used / new
Toner cartridge (Y) used / new
Toner cartridge (M) used / new
Toner cartridge (C) used / new
Toner (K) detected / not detected
Toner (Y) detected / not detected
Toner (M) detected / not detected
Toner (C) detected / not detected
Note:
The machine makes a sound when operating the toner sensor K (NEW) and toner sensor
Y (NEW) while the cover is opened.