Brother DCP-9040CN Service Manual page 336

LCD
DV Develop release sensor
BC Belt cleaner release sensor
NW Waste toner sensor 1
FW Waste toner sensor 2
LCD Temperature and humidity
sensors
TMP THM sensor
HUM HUM sensor
MAC Internal temperature sensor
BT Belt unit temperature sensor
Note:
If the sensor detects the abnormal value, the machine displays "NG" on the LCD.
LCD
DF Document front sensor
DR Document rear sensor
DL* ADF document separation
sensor / Size sensor
DS* ADF document SB sensor
FC* FB cover sensor
FH* FB unit home position sensor
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 term.
(2) Change the detecting conditions to check that the indication on the LCD changes
according to the sensor states. For instance, insert paper through the document front (or
rear) sensor or the registration sensor (s), open the front cover or the document cover,
remove the toner cartridge, jam paper at the paper outlet, insert paper from the manual
feeder, and load a recording paper tray, etc.
(3) Press the Stop/Exit button. The machine beeps for one second and returns to the initial
stage of the maintenance mode.
Sensors
Sensors
The LCD indication with * is not displayed for the CIS mode.
5-17
Sensing status (ON/OFF)
Release / Welding
Release / Contact
Toner not detected / nearly full
Toner not detected / full
Sensing status (OK / NG)
XX ° C / NG
XX% / NG
XX ° C / NG
XX ° C / NG
Sensing status (ON/OFF)
No document detected / detected.
No document detected / detected.
Document detected / not detected
No document detected / detected.
Document cover closed / opened.
CCD unit home position detected / not
detected
Confidential