Base Sensor Test - Lexmark C540n Service Manual

5025-2xx, 4xx

Base Sensor Test

These tests allow you to verify the correct functioning of the front door, input, and output sensors.
1.
Select Base Sensor Test from Diag Menu, and press Select (
2.
Select the sensor you want to test, and press Select (
The following tests are available:
Sensor
Front Door
Standard Bin
S1
S2
Fuser exit sensr
C-TMC Sensor
M-TMC Sensor
Y-TMC Sensor
K-TMC Sensor
To exit the test, press Back (
3-16
Service Manual
Value How to test
Opened/ Open and close the front door. The sensor should
Closed change state.
Bin full Lift up on the bin-full/narrow media flag, and then
release. The sensor should change state.
Media clear... or Activate the sensor by removing and re-inserting the
paper tray. The sensor should change state.
Media present...
Media clear... or Remove the media tray. Activate the input (S2) sensor
flag. The sensor should change state.
Media present...
Media clear... or Open the front cover. Activate the fuser exit flag. The
sensor should change state.
Media present...
Opened/ Remove the cyan toner cartridge. Shine a flashlight on
Closed the toner level sensor. The sensor should change
state.
Opened/ Remove the magenta toner cartridge. Shine a
Closed flashlight on the toner level sensor. The sensor should
change state.
Opened/ Remove the yellow toner cartridge. Shine a flashlight
Closed on the toner level sensor. The sensor should change
state.
Opened/ Remove the black toner cartridge. Shine a flashlight
Closed on the toner level sensor. The sensor should change
state.
) or Stop ( ).
).
).