5-12
Confidential
1.4.8 Operational check of sensors (Function code 32)
<Function>
This function allows you to check each of the sensors.
<Operating procedure>
(1) Press the or button to display “MAINTENANCE 32” on the LCD in the initial state of
the maintenance mode. Then, press the OK button.
(2) If the sensing status are as listed below, the LCD will show “C1C2L2T2
**
” when paper tray
2 is installed. “C1
********
” appears on the LCD when paper tray 2 is not installed. The
LCD indication moves to the next term by pressing the Go button.
Given below is the relationship between the LCD indication, sensor name and sensor
state.
LCD Sensors Sensing status (OK/NG)
C1 T1 paper edge sensor Paper tray 1 not installed/installed
C2 T2 paper edge sensor Paper tray 2 not installed/installed
L2 T2 plate-up detection sensor Plate down/Plate up
T2 T2 connector Paper tray 2 installed/not installed
MP MP paper empty sensor MP tray paper not detected/detected
MR MP registration front sensor MP tray paper not detected/detected
CV Front cover sensor Front cover closed/open
RC Back cover sensor Back cover closed/open
RM Registration front sensor Paper not detected/detected
RA Registration rear sensor Paper not detected/detected
PO Paper eject sensor Paper not detected/detected
FW Waste toner sensor OFF/ON
NK New toner sensor Black OFF/ON
NY New toner sensor Yellow OFF/ON
NM New toner sensor Magenta OFF/ON
NC New toner sensor Cyan OFF/ON
KC Toner sensor Black Toner (K) detected/not detected
YC Toner sensor Yellow Toner (Y) detected/not detected
MC Toner sensor Magenta Toner (M) detected/not detected
CC Toner sensor Cyan Toner (C) detected/not detected
Note:
- The “--” appears on the LCD if the sensor is OFF.
- The “**” appears on the LCD if the parts are not installed or there is no item.
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