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

T1 sensor

Paper tray installed / not installed

P1

T1 PE sensor

Paper detected / not detected

R1

T1 edge sensor

Paper not detected / detected

C2

LT sensor

Paper tray installed / not installed

P2

LT PE sensor

Paper detected / not detected

R2

LT edge sensor

Paper not detected / detected

L2

LT plate-up detection sensor

Plate-up detected / not detected

T2

LT connector

LT connected / not connected

MR

MP registration front sensor

Paper detected / not detected

MP

MP PE sensor

Paper detected / not detected

CV

Front cover

Front cover closed / open

RC

Back cover

Back cover closed / open

RM

T1 registration front sensor

Paper not detected / detected

RA

Registration rear sensor

Paper not detected / detected

PO

Paper eject sensor

Paper not detected / detected

NK

Toner sensor K (NEW)

Toner cartridge (K) used / new

NY

Toner sensor Y (NEW)

Toner cartridge (Y) used / new

NM

Toner sensor M (NEW)

Toner cartridge (M) used / new

NC

Toner sensor C (NEW)

Toner cartridge (C) used / new

KC

Toner sensor K (TE)

Toner (K) detected / not detected

YC

Toner sensor Y (TE)

Toner (Y) detected / not detected

MC

Toner sensor M (TE)

Toner (M) detected / not detected

CC

Toner sensor C (TE)

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.

5-15

Confidential